This document discusses common misconceptions in infrared thermography applications. It addresses 10 myths or misconceptions, including that you don't need to worry about emissivity when making relative temperature measurements, that you can measure emissivity of targets at the same temperature as the background, and that you can get rid of all reflections just by moving. For each myth, it provides a brief explanation of why it is incorrect and may lead to incorrect temperature readings or other issues. The key points are that emissivity, reflections, distance effects, focus, and other factors must be properly accounted for to get accurate infrared temperature measurements.
Non-intrusive Methods of Temperature Measurement ( Radiation Thermometry )rajguptanitw
A radiation thermometer is an instrument which collects radiation from a target and produces an output signal, usually electrical, related to the radiance, which is used to infer the temperature of the target.
The wavelength of maximum emission varies between 10.6 mm at 0°C and 1.3 mm at 2000C.
For most measurement applications, radiation is emitted predominantly in the visible, near- and middle-infrared regions of the electromagnetic spectrum.
A radiation thermometer is an instrument which collects radiation from a target and produces an output signal, usually electrical, related to the radiance, which is used to infer the temperature of the target.
The basic measurement system for a radiation thermometer comprises the following elements.
(1) The target of measurement.
(2) An optical system which collects and directs the radiation.
Elements of the optical system may also be used to modify the spectral response of the thermometer.
(3) A sensor which produces a signal, usually electrical, related to the incident energy flux.
(4) A reference source which may be physically situated in the instrument itself or located in a calibration laboratory.
(5) A means of signal processing and display.
O documento discute o impacto da rede digital no desenvolvimento sustentável. A Net Impact é uma organização que apoia grupos locais em todo o mundo para inspirar e capacitar membros a usar o poder dos negócios para impactar condições socioeconômicas de forma sustentável. A TEIAS é uma rede global de mais de 10.000 membros organizados em grupos e capítulos em escolas de negócios que representa a maior rede nesse tipo no mundo.
Syed Naveed Abbas is a Cost and Management Accountant with over 12 years of experience in finance roles. He currently serves as Group Manager of Finance for VAIVAL Group, an international conglomerate. Prior to this, he held positions such as Department Manager of Finance and Assistant Manager roles. Naveed has extensive experience in financial reporting, budgeting, costing, auditing, and tax compliance. He possesses strong technical skills and has led implementations of ERP systems.
As mulheres celtas eram livres para escolher seus parceiros e não podiam ser forçadas a relações não desejadas. Eram ensinadas a trabalhar para garantir seu sustento e eram excelentes amantes, donas de casa e mães. A primeira lição era amar seu parceiro se ambos representassem amor, companheirismo e amizade, como ensinado pela Deusa Mãe.
Chadwick Hamilton completed the Global Command and Control System - Joint (GCCS-J) Course on June 14, 2010. The document certifies that Chadwick Hamilton successfully finished the GCCS-J training program.
ANALYSES OF CHIPS FORMED IN PLANO MILLER AND HORIZONTAL BORING MACHINES .Suraj Patwal
Project includes considering various parameters and sampling of chips form and giving a optimum parameter set , various do's and don'ts during machining, observation to make machining more effective.
Non-intrusive Methods of Temperature Measurement ( Radiation Thermometry )rajguptanitw
A radiation thermometer is an instrument which collects radiation from a target and produces an output signal, usually electrical, related to the radiance, which is used to infer the temperature of the target.
The wavelength of maximum emission varies between 10.6 mm at 0°C and 1.3 mm at 2000C.
For most measurement applications, radiation is emitted predominantly in the visible, near- and middle-infrared regions of the electromagnetic spectrum.
A radiation thermometer is an instrument which collects radiation from a target and produces an output signal, usually electrical, related to the radiance, which is used to infer the temperature of the target.
The basic measurement system for a radiation thermometer comprises the following elements.
(1) The target of measurement.
(2) An optical system which collects and directs the radiation.
Elements of the optical system may also be used to modify the spectral response of the thermometer.
(3) A sensor which produces a signal, usually electrical, related to the incident energy flux.
(4) A reference source which may be physically situated in the instrument itself or located in a calibration laboratory.
(5) A means of signal processing and display.
O documento discute o impacto da rede digital no desenvolvimento sustentável. A Net Impact é uma organização que apoia grupos locais em todo o mundo para inspirar e capacitar membros a usar o poder dos negócios para impactar condições socioeconômicas de forma sustentável. A TEIAS é uma rede global de mais de 10.000 membros organizados em grupos e capítulos em escolas de negócios que representa a maior rede nesse tipo no mundo.
Syed Naveed Abbas is a Cost and Management Accountant with over 12 years of experience in finance roles. He currently serves as Group Manager of Finance for VAIVAL Group, an international conglomerate. Prior to this, he held positions such as Department Manager of Finance and Assistant Manager roles. Naveed has extensive experience in financial reporting, budgeting, costing, auditing, and tax compliance. He possesses strong technical skills and has led implementations of ERP systems.
As mulheres celtas eram livres para escolher seus parceiros e não podiam ser forçadas a relações não desejadas. Eram ensinadas a trabalhar para garantir seu sustento e eram excelentes amantes, donas de casa e mães. A primeira lição era amar seu parceiro se ambos representassem amor, companheirismo e amizade, como ensinado pela Deusa Mãe.
Chadwick Hamilton completed the Global Command and Control System - Joint (GCCS-J) Course on June 14, 2010. The document certifies that Chadwick Hamilton successfully finished the GCCS-J training program.
ANALYSES OF CHIPS FORMED IN PLANO MILLER AND HORIZONTAL BORING MACHINES .Suraj Patwal
Project includes considering various parameters and sampling of chips form and giving a optimum parameter set , various do's and don'ts during machining, observation to make machining more effective.
This lab report summarizes a heat transfer experiment with the following key points:
1) The experiment tested the inverse square law and radiation properties of different surfaces using a thermal radiation cube and Stefan-Boltzmann lamp.
2) Results found that radiation intensity followed the inverse square law, decreasing exponentially with distance.
3) Different surfaces had different radiative properties, with black having highest absorptivity and polished aluminum having the lowest.
This is a physical science multiple choice testPlease I need tblossomblackbourne
This is a physical science multiple choice test
Please I need this by 1pm I have attached the picture for question 1
1. It just so happens that regardless of the material, when objects are heated up they will start to glow and change colors at near identical temperatures. The plot that you see is called a blackbody spectrum. This plot tells us the intensity or the “amount” of light that an object will emit at different wavelengths (or “colors”). The visible wavelengths are marked by their colors on the plot. To the right of the visible band is lower energy infrared light. To the left of this band is higher energy ultraviolet (UV) light.
Click the + button that is to the left of the intensity scale (far left side of the screen) such that the top of the scale is at .001. (in the picture above the top of the scale says 100).
Now use the temperature slider to the right, and take the temperature all the way down to 300 Kelvin (80 Fahrenheit).
Now slowly begin to raise the temperature. At approximately what temperature would a heated material (metal, wood, etc.) begin to give off visible light at a deep red color?
Note:
This will be the temperature where your spectrum first begins to come off of the wavelength axis in the visible region, and so is giving off a small amount of red light.
500 K (440 Fahrenheit)
1050 K (1430 Fahrenheit)
1800 K (2780 Fahrenheit)
2500 K (4040 Fahrenheit)
2. Click the - button that is to the left of the intensity scale to zoom out such that the top of the scale is at 10.
Move the temperature slider to that of a light bulb. The red part of the thermometer on the far right should just be touching the line marked light bulb. At approximately what temperature does the filament in a household light bulb operate?
Note:
This is written in blue in the simulation.
660 K (728 F)
1800 K (2780 F)
3000 K (4940 F)
5700 K (9800 F)
3. What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?
Infrared light
Red visible light
Violet visible light
Ultraviolet light
4. Click the - button that is to the left of the intensity scale to zoom out such that the top of the scale is at 100.
Move the temperature slider to that of the Sun. The red part of the thermometer on the far right should just be touching the line marked Sun. Approximately what temperature is the surface of the Sun?
2100 K (3320 F)
4500 K (7640 F)
5700 K (9800 F)
9800 K (17,180 F
5. Based on the simulation, what type of light does the Sun produce the most?
Infrared light
Green visible light
Orange visible light
Ultraviolet light
6. Relative to the peak intensity in the Sun’s spectrum, the Sun emits nearly equal amounts of light across the entire visible part of the EM-spectrum. This is demonstrated by the star shaped symbol at the top of the simulation being white. Therefore, if you look at the Sun when it is directly overhead on a clear day, it will appear white.
C ...
This document summarizes a study that tested and compared the beam divergence, depth of cure, tip temperature, and human physiological response to heat from several LED curing lights. Key findings include:
1) The Demi Ultra had one of the most collimated beams and provided depth of cure comparable to other lights.
2) The Demi Ultra and Bluephase Style had among the lowest maximum tip temperatures, especially for exposures of 5-10 seconds.
3) The Demi Ultra and Valo Cordless did not cause pain at their standard settings of 5-10 seconds, while other lights did cause pain at higher intensity settings or longer exposures.
4) While thermocouples provide relative
Thermal & Thermography with DLC - White PaperJulian Moss
This document discusses thermal cameras and thermography cameras, including what they are, how they work, and their applications. It provides details on thermal cameras' ability to detect infrared radiation and produce images based on differences in temperatures. It also describes how thermography cameras can provide precise temperature measurements to monitor equipment and detect issues. Examples of applications discussed include industrial monitoring, security, fire prevention, and gas detection.
IRJET- Infrared Thermography and its Application in Building ConstructionIRJET Journal
This document discusses the use of infrared thermography in building construction. Infrared thermography is a non-destructive testing method that uses infrared cameras to detect temperature variations on surfaces. This allows it to identify defects in concrete like voids, cracks, or moisture. The document provides examples of how infrared thermography has been used to detect moisture penetration in structures, locate plumbing pipes, and assess the quality of fresh concrete. It also discusses how infrared cameras can monitor the curing of concrete and identify failure points in reinforced steel bars during tensile testing.
This document provides an overview and training on the operation of Bullard thermal imaging cameras. It discusses the key features and operating procedures of the cameras, including activating the unit, changing batteries, and cleaning and maintenance. It also covers the basic theory of thermal imaging, how infrared radiation and heat transfer work, and various emergency response applications of thermal imaging such as search and rescue, fire attack, and hazmat situations.
A systematic procedure for the use of state feedback and output feedback to control
Induction motor is studied. The impact of which is to explore the advantages of feedback control
assuming that all the state variables are measurable. Feedback control is capable of being used for
asymptotic stability of the desired operating condition, for any load torque and for any initial
condition. A suitable model enables motor faults to be simulated and the change in corresponding
parameters to be predicted without physical experimentation. This project presents a
mathematical foundation and theoretical analysis of modeling and applications of induction
machines. A three-phase induction motor is simulated with fundamental equations. The
simulations results are presented for understanding purpose.
ENGR202_69_group7_lab4partA_report.docxYIFANG WANG
This document summarizes an experiment conducted to measure temperature using a thermocouple. The experiment involved using a thermocouple and data logging software to record the cooling curve of a heated resistor over multiple trials. Time constants were calculated from the cooling curves and used to generate modified cooling curves that closely matched the experimental data. The goals of the experiment were to understand how to properly use a thermocouple to measure temperature changes and analyze the thermal properties of materials.
Chapter 1924. If you dip your finger repeatedly into a puddle of.docxcravennichole326
Chapter 19
24. If you dip your finger repeatedly into a puddle of water, it creates waves. What happens to the wavelength if you dip your finger more frequently?
Chapter 20
29. What two physics mistakes occur in a science fiction movie that shows a distant explosion in outer space, where you see and hear the explosion at the same time?
Chapter 21
26. Tom Senior makes music by setting small columns of air into vibration by blowing across the ends of drinking straws of various lengths. Which straws, the short ones or the long ones, produce lower pitch? What would you expect of the pitch produced by the much larger musical instrument behind Tom that uses resonant air columns excited by striking the ends of the tubes with paddles?
Chapter 26
5. Which has the shorter wavelengths, ultraviolet or infrared? Which has the higher frequencies?
Chapter 27
17. On a TV screen, red, green, and blue spots of fluorescent materials are illuminated at a variety of relative intensities to produce a full spectrum of colors. What dots are activated to produce yellow? Magenta? White?
Chapter 28
7. Why is the lettering on the front of some vehicles “backward”?
Chapter 29
3. Why do radio waves diffract around buildings, while light waves do not?
Chapter 30
4. Ultraviolet light causes sunburns, whereas visible light, even of greater intensity, does not. Why is this so?
32. Cite at least two reasons for predicting that LEDs will emerge as more popular than CFLs.
Name
Date
Class
Lab 28: Diffraction and Interference
Purpose
To study single slit diffraction and double slit interference patterns
Background
It has long been known that if you shine light through narrow slits that are spaced at small intervals, the light will form a diffraction pattern. A diffraction pattern is a series of light and dark areas caused by wave interference. The
wave interference can be either constructive (light areas) or destructive (dark areas). In this experiment, you will shine a laser through a device with two slits where the spacing can be adjusted and investigate the patterns that are
produced on the far side of the slits.
Skills Focus
Predicting, drawing conclusions, observing, interpreting data, making generalizations, applying concepts
Procedure
1. Start Virtual Physics and select Diffraction and Interference from the list of assignments. The lab will open in the Quantum laboratory.
2. A laser is used as the light source in this experiment because it has a single wavelength. Therefore, you will not see diffraction patterns from other wavelengths interfering in the image. What is the wavelength of the laser?
What is the spacing of the two slits on the two slit device? This is the gap
between the two different slits. How do the wavelength of the laser and the spacing of the slits compare?
3. Predicting
How will the diffraction pattern change as the wavelength is
made smaller and the slit spacing remains the same? Hint: Think about the spacing as an obstacle that ...
Dynamic shading of skylights can improve indoor environments. A field experiment was conducted in an office space to test different shading devices on skylights. Skylights were separated to test performance individually. Sensors measured temperature, light, and glare levels with and without shading. Results showed that shading can reduce heat gain and glare while allowing daylight, and provide insulation at night. Computer simulations confirmed that roller shades and angled blinds effectively reduce glare from skylights while maintaining sufficient light levels. An optimal control strategy is being developed to automatically adjust shading based on weather and sunlight conditions.
This document describes an emissivity measurement apparatus that determines the emissivity of gray surfaces. It consists of a black plate and gray test plate that are electrically heated to the same temperature. The power input required to heat the gray plate to the same temperature as the black plate is measured. Since the plates have all other properties identical except emissivity, the difference in power input is due to the difference in emissivity. By measuring this power difference at various temperatures, the emissivity of the gray surface can be determined relative to the black plate.
1. The document discusses uncertainties and errors in measurement, distinguishing between systematic and random errors.
2. It describes several methods to determine random errors, including instrument limits of error, estimated uncertainty from repeated measurements, and calculating average and standard deviation.
3. The key points covered are how to calculate uncertainties from measurements, express the range of possible measured values based on the uncertainty, and properly propagate uncertainties through calculations.
This document discusses thermal infrared face recognition. It begins by introducing thermal face recognition and noting the advantages of using thermal images over visual images, such as insensitivity to illumination changes. It then describes the different infrared spectrums and how thermal face images are generated from human body heat patterns. Some critical observations of thermal imaging are discussed, such as its inability to distinguish identical twins or effects of breathing. The document also covers limitations of thermal imaging and how fusing thermal and visual images can generate more informative data for face recognition.
Diploma sem 2 applied science physics-unit 1-chap 2 error sRai University
This document discusses various types of errors that can occur in measurements. It describes instrumental error, observer error, and procedural error as the three main sources of uncertainty. It also defines accuracy as a measure of how close a measurement is to the accepted value, while precision refers to the closeness of repeated measurements. The document provides examples of calculating percentage error, relative error, and discusses significant figures when taking measurements.
Testo SuperResolution is a patent-pending technology that improves thermal image resolution using a combination of super-sampling and deconvolution. It provides images with 1.6x better geometric resolution and 4x more readings, allowing for detection of smaller objects. By taking multiple slightly offset images and using an algorithm accounting for lens properties, it calculates additional real temperature readings without requiring a higher resolution detector. This provides more detail for industrial and building thermography applications without needing to physically move closer to objects.
The document provides an overview and summary of changes in temperature sensor technology and calibration tables. It discusses three key areas: sensor theory and specification, which has not changed much; reference tables that now include the latest changes to thermocouple and RTD calibration; and new techniques that can improve measurement accuracy, such as improved calibration methods. The document encourages users to take advantage of changes that can enhance accuracy but to contact the company for specific application information and updates.
1. The document describes Testo's SuperResolution technology, which improves the resolution of thermal images from infrared cameras. It does this through a combination of super-sampling and deconvolution techniques without needing a higher resolution detector.
2. SuperResolution provides thermal images with 4 times as many readings and a 1.6 times better geometric resolution compared to standard infrared cameras. This allows for smaller and more distant objects to be measured.
3. By taking multiple slightly offset images rapidly and using an algorithm incorporating knowledge of the lens properties, SuperResolution is able to calculate additional real temperature readings rather than interpolated values. This provides clearer representation of measuring objects in thermal images and analyses.
This document provides an overview of infrared thermography and its application in electrical system fault diagnosis. It begins with an introduction to infrared thermography, describing its history, basic principles of infrared radiation, and how thermography works. The document then discusses advantages and limitations of thermography, as well as how it can be used to detect various types of electrical faults. Specific applications of thermography for conditions monitoring of electrical equipment are also covered. The document provides details on infrared cameras and challenges of thermography for electrical systems. Overall, the document presents infrared thermography as a tool for non-destructive testing of electrical systems to detect faults and failures.
1. The document discusses Testo SuperResolution technology, which improves the resolution of thermal images. It does this through a combination of super-sampling and deconvolution techniques without requiring a higher resolution detector.
2. SuperResolution provides thermal images with 4 times as many readings and 1.6 times better geometric resolution compared to standard thermal images. This allows for smaller and more distant objects to be measured.
3. The technology works by capturing a series of slightly offset images using natural hand tremors and then combining them using an algorithm to reconstruct the original signal at higher resolution, similar to using a higher resolution detector. Real temperature readings are calculated rather than interpolated.
Thermography is a non-contact technique that detects infrared radiation emitted from objects to produce images of their surface temperature distribution. An infrared camera consists of an optic system, detector, amplifier, signal processor and display. It converts infrared radiation into an electrical signal displayed as a heat image. Thermography can be active, using an energy source, or passive, detecting natural temperature differences. It has applications in condition monitoring, medical imaging, and non-destructive testing.
Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...PriyankaKilaniya
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
This lab report summarizes a heat transfer experiment with the following key points:
1) The experiment tested the inverse square law and radiation properties of different surfaces using a thermal radiation cube and Stefan-Boltzmann lamp.
2) Results found that radiation intensity followed the inverse square law, decreasing exponentially with distance.
3) Different surfaces had different radiative properties, with black having highest absorptivity and polished aluminum having the lowest.
This is a physical science multiple choice testPlease I need tblossomblackbourne
This is a physical science multiple choice test
Please I need this by 1pm I have attached the picture for question 1
1. It just so happens that regardless of the material, when objects are heated up they will start to glow and change colors at near identical temperatures. The plot that you see is called a blackbody spectrum. This plot tells us the intensity or the “amount” of light that an object will emit at different wavelengths (or “colors”). The visible wavelengths are marked by their colors on the plot. To the right of the visible band is lower energy infrared light. To the left of this band is higher energy ultraviolet (UV) light.
Click the + button that is to the left of the intensity scale (far left side of the screen) such that the top of the scale is at .001. (in the picture above the top of the scale says 100).
Now use the temperature slider to the right, and take the temperature all the way down to 300 Kelvin (80 Fahrenheit).
Now slowly begin to raise the temperature. At approximately what temperature would a heated material (metal, wood, etc.) begin to give off visible light at a deep red color?
Note:
This will be the temperature where your spectrum first begins to come off of the wavelength axis in the visible region, and so is giving off a small amount of red light.
500 K (440 Fahrenheit)
1050 K (1430 Fahrenheit)
1800 K (2780 Fahrenheit)
2500 K (4040 Fahrenheit)
2. Click the - button that is to the left of the intensity scale to zoom out such that the top of the scale is at 10.
Move the temperature slider to that of a light bulb. The red part of the thermometer on the far right should just be touching the line marked light bulb. At approximately what temperature does the filament in a household light bulb operate?
Note:
This is written in blue in the simulation.
660 K (728 F)
1800 K (2780 F)
3000 K (4940 F)
5700 K (9800 F)
3. What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?
Infrared light
Red visible light
Violet visible light
Ultraviolet light
4. Click the - button that is to the left of the intensity scale to zoom out such that the top of the scale is at 100.
Move the temperature slider to that of the Sun. The red part of the thermometer on the far right should just be touching the line marked Sun. Approximately what temperature is the surface of the Sun?
2100 K (3320 F)
4500 K (7640 F)
5700 K (9800 F)
9800 K (17,180 F
5. Based on the simulation, what type of light does the Sun produce the most?
Infrared light
Green visible light
Orange visible light
Ultraviolet light
6. Relative to the peak intensity in the Sun’s spectrum, the Sun emits nearly equal amounts of light across the entire visible part of the EM-spectrum. This is demonstrated by the star shaped symbol at the top of the simulation being white. Therefore, if you look at the Sun when it is directly overhead on a clear day, it will appear white.
C ...
This document summarizes a study that tested and compared the beam divergence, depth of cure, tip temperature, and human physiological response to heat from several LED curing lights. Key findings include:
1) The Demi Ultra had one of the most collimated beams and provided depth of cure comparable to other lights.
2) The Demi Ultra and Bluephase Style had among the lowest maximum tip temperatures, especially for exposures of 5-10 seconds.
3) The Demi Ultra and Valo Cordless did not cause pain at their standard settings of 5-10 seconds, while other lights did cause pain at higher intensity settings or longer exposures.
4) While thermocouples provide relative
Thermal & Thermography with DLC - White PaperJulian Moss
This document discusses thermal cameras and thermography cameras, including what they are, how they work, and their applications. It provides details on thermal cameras' ability to detect infrared radiation and produce images based on differences in temperatures. It also describes how thermography cameras can provide precise temperature measurements to monitor equipment and detect issues. Examples of applications discussed include industrial monitoring, security, fire prevention, and gas detection.
IRJET- Infrared Thermography and its Application in Building ConstructionIRJET Journal
This document discusses the use of infrared thermography in building construction. Infrared thermography is a non-destructive testing method that uses infrared cameras to detect temperature variations on surfaces. This allows it to identify defects in concrete like voids, cracks, or moisture. The document provides examples of how infrared thermography has been used to detect moisture penetration in structures, locate plumbing pipes, and assess the quality of fresh concrete. It also discusses how infrared cameras can monitor the curing of concrete and identify failure points in reinforced steel bars during tensile testing.
This document provides an overview and training on the operation of Bullard thermal imaging cameras. It discusses the key features and operating procedures of the cameras, including activating the unit, changing batteries, and cleaning and maintenance. It also covers the basic theory of thermal imaging, how infrared radiation and heat transfer work, and various emergency response applications of thermal imaging such as search and rescue, fire attack, and hazmat situations.
A systematic procedure for the use of state feedback and output feedback to control
Induction motor is studied. The impact of which is to explore the advantages of feedback control
assuming that all the state variables are measurable. Feedback control is capable of being used for
asymptotic stability of the desired operating condition, for any load torque and for any initial
condition. A suitable model enables motor faults to be simulated and the change in corresponding
parameters to be predicted without physical experimentation. This project presents a
mathematical foundation and theoretical analysis of modeling and applications of induction
machines. A three-phase induction motor is simulated with fundamental equations. The
simulations results are presented for understanding purpose.
ENGR202_69_group7_lab4partA_report.docxYIFANG WANG
This document summarizes an experiment conducted to measure temperature using a thermocouple. The experiment involved using a thermocouple and data logging software to record the cooling curve of a heated resistor over multiple trials. Time constants were calculated from the cooling curves and used to generate modified cooling curves that closely matched the experimental data. The goals of the experiment were to understand how to properly use a thermocouple to measure temperature changes and analyze the thermal properties of materials.
Chapter 1924. If you dip your finger repeatedly into a puddle of.docxcravennichole326
Chapter 19
24. If you dip your finger repeatedly into a puddle of water, it creates waves. What happens to the wavelength if you dip your finger more frequently?
Chapter 20
29. What two physics mistakes occur in a science fiction movie that shows a distant explosion in outer space, where you see and hear the explosion at the same time?
Chapter 21
26. Tom Senior makes music by setting small columns of air into vibration by blowing across the ends of drinking straws of various lengths. Which straws, the short ones or the long ones, produce lower pitch? What would you expect of the pitch produced by the much larger musical instrument behind Tom that uses resonant air columns excited by striking the ends of the tubes with paddles?
Chapter 26
5. Which has the shorter wavelengths, ultraviolet or infrared? Which has the higher frequencies?
Chapter 27
17. On a TV screen, red, green, and blue spots of fluorescent materials are illuminated at a variety of relative intensities to produce a full spectrum of colors. What dots are activated to produce yellow? Magenta? White?
Chapter 28
7. Why is the lettering on the front of some vehicles “backward”?
Chapter 29
3. Why do radio waves diffract around buildings, while light waves do not?
Chapter 30
4. Ultraviolet light causes sunburns, whereas visible light, even of greater intensity, does not. Why is this so?
32. Cite at least two reasons for predicting that LEDs will emerge as more popular than CFLs.
Name
Date
Class
Lab 28: Diffraction and Interference
Purpose
To study single slit diffraction and double slit interference patterns
Background
It has long been known that if you shine light through narrow slits that are spaced at small intervals, the light will form a diffraction pattern. A diffraction pattern is a series of light and dark areas caused by wave interference. The
wave interference can be either constructive (light areas) or destructive (dark areas). In this experiment, you will shine a laser through a device with two slits where the spacing can be adjusted and investigate the patterns that are
produced on the far side of the slits.
Skills Focus
Predicting, drawing conclusions, observing, interpreting data, making generalizations, applying concepts
Procedure
1. Start Virtual Physics and select Diffraction and Interference from the list of assignments. The lab will open in the Quantum laboratory.
2. A laser is used as the light source in this experiment because it has a single wavelength. Therefore, you will not see diffraction patterns from other wavelengths interfering in the image. What is the wavelength of the laser?
What is the spacing of the two slits on the two slit device? This is the gap
between the two different slits. How do the wavelength of the laser and the spacing of the slits compare?
3. Predicting
How will the diffraction pattern change as the wavelength is
made smaller and the slit spacing remains the same? Hint: Think about the spacing as an obstacle that ...
Dynamic shading of skylights can improve indoor environments. A field experiment was conducted in an office space to test different shading devices on skylights. Skylights were separated to test performance individually. Sensors measured temperature, light, and glare levels with and without shading. Results showed that shading can reduce heat gain and glare while allowing daylight, and provide insulation at night. Computer simulations confirmed that roller shades and angled blinds effectively reduce glare from skylights while maintaining sufficient light levels. An optimal control strategy is being developed to automatically adjust shading based on weather and sunlight conditions.
This document describes an emissivity measurement apparatus that determines the emissivity of gray surfaces. It consists of a black plate and gray test plate that are electrically heated to the same temperature. The power input required to heat the gray plate to the same temperature as the black plate is measured. Since the plates have all other properties identical except emissivity, the difference in power input is due to the difference in emissivity. By measuring this power difference at various temperatures, the emissivity of the gray surface can be determined relative to the black plate.
1. The document discusses uncertainties and errors in measurement, distinguishing between systematic and random errors.
2. It describes several methods to determine random errors, including instrument limits of error, estimated uncertainty from repeated measurements, and calculating average and standard deviation.
3. The key points covered are how to calculate uncertainties from measurements, express the range of possible measured values based on the uncertainty, and properly propagate uncertainties through calculations.
This document discusses thermal infrared face recognition. It begins by introducing thermal face recognition and noting the advantages of using thermal images over visual images, such as insensitivity to illumination changes. It then describes the different infrared spectrums and how thermal face images are generated from human body heat patterns. Some critical observations of thermal imaging are discussed, such as its inability to distinguish identical twins or effects of breathing. The document also covers limitations of thermal imaging and how fusing thermal and visual images can generate more informative data for face recognition.
Diploma sem 2 applied science physics-unit 1-chap 2 error sRai University
This document discusses various types of errors that can occur in measurements. It describes instrumental error, observer error, and procedural error as the three main sources of uncertainty. It also defines accuracy as a measure of how close a measurement is to the accepted value, while precision refers to the closeness of repeated measurements. The document provides examples of calculating percentage error, relative error, and discusses significant figures when taking measurements.
Testo SuperResolution is a patent-pending technology that improves thermal image resolution using a combination of super-sampling and deconvolution. It provides images with 1.6x better geometric resolution and 4x more readings, allowing for detection of smaller objects. By taking multiple slightly offset images and using an algorithm accounting for lens properties, it calculates additional real temperature readings without requiring a higher resolution detector. This provides more detail for industrial and building thermography applications without needing to physically move closer to objects.
The document provides an overview and summary of changes in temperature sensor technology and calibration tables. It discusses three key areas: sensor theory and specification, which has not changed much; reference tables that now include the latest changes to thermocouple and RTD calibration; and new techniques that can improve measurement accuracy, such as improved calibration methods. The document encourages users to take advantage of changes that can enhance accuracy but to contact the company for specific application information and updates.
1. The document describes Testo's SuperResolution technology, which improves the resolution of thermal images from infrared cameras. It does this through a combination of super-sampling and deconvolution techniques without needing a higher resolution detector.
2. SuperResolution provides thermal images with 4 times as many readings and a 1.6 times better geometric resolution compared to standard infrared cameras. This allows for smaller and more distant objects to be measured.
3. By taking multiple slightly offset images rapidly and using an algorithm incorporating knowledge of the lens properties, SuperResolution is able to calculate additional real temperature readings rather than interpolated values. This provides clearer representation of measuring objects in thermal images and analyses.
This document provides an overview of infrared thermography and its application in electrical system fault diagnosis. It begins with an introduction to infrared thermography, describing its history, basic principles of infrared radiation, and how thermography works. The document then discusses advantages and limitations of thermography, as well as how it can be used to detect various types of electrical faults. Specific applications of thermography for conditions monitoring of electrical equipment are also covered. The document provides details on infrared cameras and challenges of thermography for electrical systems. Overall, the document presents infrared thermography as a tool for non-destructive testing of electrical systems to detect faults and failures.
1. The document discusses Testo SuperResolution technology, which improves the resolution of thermal images. It does this through a combination of super-sampling and deconvolution techniques without requiring a higher resolution detector.
2. SuperResolution provides thermal images with 4 times as many readings and 1.6 times better geometric resolution compared to standard thermal images. This allows for smaller and more distant objects to be measured.
3. The technology works by capturing a series of slightly offset images using natural hand tremors and then combining them using an algorithm to reconstruct the original signal at higher resolution, similar to using a higher resolution detector. Real temperature readings are calculated rather than interpolated.
Thermography is a non-contact technique that detects infrared radiation emitted from objects to produce images of their surface temperature distribution. An infrared camera consists of an optic system, detector, amplifier, signal processor and display. It converts infrared radiation into an electrical signal displayed as a heat image. Thermography can be active, using an energy source, or passive, detecting natural temperature differences. It has applications in condition monitoring, medical imaging, and non-destructive testing.
Similar to Common misconceptions in thermography (20)
Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...PriyankaKilaniya
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
A high-Speed Communication System is based on the Design of a Bi-NoC Router, ...DharmaBanothu
The Network on Chip (NoC) has emerged as an effective
solution for intercommunication infrastructure within System on
Chip (SoC) designs, overcoming the limitations of traditional
methods that face significant bottlenecks. However, the complexity
of NoC design presents numerous challenges related to
performance metrics such as scalability, latency, power
consumption, and signal integrity. This project addresses the
issues within the router's memory unit and proposes an enhanced
memory structure. To achieve efficient data transfer, FIFO buffers
are implemented in distributed RAM and virtual channels for
FPGA-based NoC. The project introduces advanced FIFO-based
memory units within the NoC router, assessing their performance
in a Bi-directional NoC (Bi-NoC) configuration. The primary
objective is to reduce the router's workload while enhancing the
FIFO internal structure. To further improve data transfer speed,
a Bi-NoC with a self-configurable intercommunication channel is
suggested. Simulation and synthesis results demonstrate
guaranteed throughput, predictable latency, and equitable
network access, showing significant improvement over previous
designs
Tools & Techniques for Commissioning and Maintaining PV Systems W-Animations ...Transcat
Join us for this solutions-based webinar on the tools and techniques for commissioning and maintaining PV Systems. In this session, we'll review the process of building and maintaining a solar array, starting with installation and commissioning, then reviewing operations and maintenance of the system. This course will review insulation resistance testing, I-V curve testing, earth-bond continuity, ground resistance testing, performance tests, visual inspections, ground and arc fault testing procedures, and power quality analysis.
Fluke Solar Application Specialist Will White is presenting on this engaging topic:
Will has worked in the renewable energy industry since 2005, first as an installer for a small east coast solar integrator before adding sales, design, and project management to his skillset. In 2022, Will joined Fluke as a solar application specialist, where he supports their renewable energy testing equipment like IV-curve tracers, electrical meters, and thermal imaging cameras. Experienced in wind power, solar thermal, energy storage, and all scales of PV, Will has primarily focused on residential and small commercial systems. He is passionate about implementing high-quality, code-compliant installation techniques.
This study Examines the Effectiveness of Talent Procurement through the Imple...DharmaBanothu
In the world with high technology and fast
forward mindset recruiters are walking/showing interest
towards E-Recruitment. Present most of the HRs of
many companies are choosing E-Recruitment as the best
choice for recruitment. E-Recruitment is being done
through many online platforms like Linkedin, Naukri,
Instagram , Facebook etc. Now with high technology E-
Recruitment has gone through next level by using
Artificial Intelligence too.
Key Words : Talent Management, Talent Acquisition , E-
Recruitment , Artificial Intelligence Introduction
Effectiveness of Talent Acquisition through E-
Recruitment in this topic we will discuss about 4important
and interlinked topics which are
Determination of Equivalent Circuit parameters and performance characteristic...pvpriya2
Includes the testing of induction motor to draw the circle diagram of induction motor with step wise procedure and calculation for the same. Also explains the working and application of Induction generator
Generative AI Use cases applications solutions and implementation.pdfmahaffeycheryld
Generative AI solutions encompass a range of capabilities from content creation to complex problem-solving across industries. Implementing generative AI involves identifying specific business needs, developing tailored AI models using techniques like GANs and VAEs, and integrating these models into existing workflows. Data quality and continuous model refinement are crucial for effective implementation. Businesses must also consider ethical implications and ensure transparency in AI decision-making. Generative AI's implementation aims to enhance efficiency, creativity, and innovation by leveraging autonomous generation and sophisticated learning algorithms to meet diverse business challenges.
https://www.leewayhertz.com/generative-ai-use-cases-and-applications/
Blood finder application project report (1).pdfKamal Acharya
Blood Finder is an emergency time app where a user can search for the blood banks as
well as the registered blood donors around Mumbai. This application also provide an
opportunity for the user of this application to become a registered donor for this user have
to enroll for the donor request from the application itself. If the admin wish to make user
a registered donor, with some of the formalities with the organization it can be done.
Specialization of this application is that the user will not have to register on sign-in for
searching the blood banks and blood donors it can be just done by installing the
application to the mobile.
The purpose of making this application is to save the user’s time for searching blood of
needed blood group during the time of the emergency.
This is an android application developed in Java and XML with the connectivity of
SQLite database. This application will provide most of basic functionality required for an
emergency time application. All the details of Blood banks and Blood donors are stored
in the database i.e. SQLite.
This application allowed the user to get all the information regarding blood banks and
blood donors such as Name, Number, Address, Blood Group, rather than searching it on
the different websites and wasting the precious time. This application is effective and
user friendly.