The sustainable senator palpatine
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The document discusses using waste heat recovery systems with air conditioning units to generate electricity. It explains that capturing the heat expelled by an AC unit and using it to power a boiler can convert the heat into electrical energy. This prevents the heat from dispersing and means it is no longer heat but electricity. The document also discusses using urban heat islands as an energy source and having the AC unit disperse heat back into the building or outdoor air, which would already be harvested for cooling, allowing the capture of more energy.
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Waste heat recovery
The document discusses the concept of using a waste heat recovery system with an air conditioning (AC) unit to generate electricity from the heat harvested by the AC unit. It notes that existing waste heat recovery systems are not very effective at recovering heat from AC exhaust. However, it proposes that a system could be designed that refocuses and blends the harvested heat with incoming energy in a way that converts all of the energy into electricity through an efficient production process, avoiding overheating issues. It suggests such a system could power buildings and electrical grids by harnessing urban heat islands. However, it acknowledges challenges like current regulations prohibiting basement AC units.
Why heating elements fails and how to fix it
The document discusses why heating elements fail and how to fix or replace them. It provides details on:
- How heating elements work by converting electrical energy to heat through resistance.
- Testing heating elements with a multimeter to check for failures like increased or decreased resistance.
- Replacing heating elements in hot water heaters by draining the device, checking the old element, and installing the new element.
- Replacing dryer heating elements by removing power, accessing the element screws and terminals, removing the old element, and installing the new one.
- Common causes of heating element failure like oxidation and metal fatigue over time and use without proper care.
Pyro electricity
This document discusses harnessing excess heat energy through pyroelectricity. Pyroelectric materials can generate a temporary voltage when heated or cooled. The technology uses a Peltier device, which contains a hot and cold side, to convert temperature differences into electrical energy. Some potential applications include charging phones while cooking, powering lights during power outages, and using Peltier devices to power small cooling fans as miniature air conditioners.
Hollow Flashlight
The document summarizes Ann Makosinski's invention of the Hollow Flashlight, which harnesses body heat through Peltier tiles to power an LED light without batteries. The flashlight uses four Peltier tiles mounted on an aluminum tube within a PVC pipe to convert the temperature difference between a person's hand and ambient air into electricity. This temperature difference produces enough power for the LED light to shine continuously for over 20 minutes. Researchers see potential for this design to power small devices sustainably using human body heat rather than batteries.
Toaster
Electric toasters use nichrome wire coils that produce infrared radiation to toast bread. When powered, the nichrome wire coils heat up and glow red, radiating infrared energy that gently dries and chars the surface of the bread. The circuitry includes a simple timer using transistors, resistors and capacitors that cuts power to the heating coils and electromagnet that holds the bread after a set amount of time determined by the rate of charging of the capacitor.
How induction cooktops work
Induction cooktops work by using electromagnetic induction to generate heat. An alternating current below the cooktop surface produces a magnetic field that induces current in ferrous metals of cookware above it, directly heating the pan. Induction cooktops offer faster and more even heating than gas or electric cooktops, with immediate temperature control and cooler surface temperatures that provide better safety and easier cleaning. However, induction cooktops are more expensive than other options and require induction-compatible cookware.
Energy6 c
Energy causes changes and exists in various forms like mechanical, chemical, heat, electrical, light, and nuclear. Energy can be renewable like solar or non-renewable like fossil fuels. Energy can be transferred, stored, transported, and transformed from one form to another. Heat is a form of energy and temperature measures hot and cold, while conductors and insulators affect heat and electricity transmission. Power plants produce electricity through various means like hydroelectric, wind, thermal, nuclear, and solar energy.
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Waste heat recovery
The document discusses the concept of using a waste heat recovery system with an air conditioning (AC) unit to generate electricity from the heat harvested by the AC unit. It notes that existing waste heat recovery systems are not very effective at recovering heat from AC exhaust. However, it proposes that a system could be designed that refocuses and blends the harvested heat with incoming energy in a way that converts all of the energy into electricity through an efficient production process, avoiding overheating issues. It suggests such a system could power buildings and electrical grids by harnessing urban heat islands. However, it acknowledges challenges like current regulations prohibiting basement AC units.
Why heating elements fails and how to fix it
The document discusses why heating elements fail and how to fix or replace them. It provides details on:
- How heating elements work by converting electrical energy to heat through resistance.
- Testing heating elements with a multimeter to check for failures like increased or decreased resistance.
- Replacing heating elements in hot water heaters by draining the device, checking the old element, and installing the new element.
- Replacing dryer heating elements by removing power, accessing the element screws and terminals, removing the old element, and installing the new one.
- Common causes of heating element failure like oxidation and metal fatigue over time and use without proper care.
Pyro electricity
This document discusses harnessing excess heat energy through pyroelectricity. Pyroelectric materials can generate a temporary voltage when heated or cooled. The technology uses a Peltier device, which contains a hot and cold side, to convert temperature differences into electrical energy. Some potential applications include charging phones while cooking, powering lights during power outages, and using Peltier devices to power small cooling fans as miniature air conditioners.
Hollow Flashlight
The document summarizes Ann Makosinski's invention of the Hollow Flashlight, which harnesses body heat through Peltier tiles to power an LED light without batteries. The flashlight uses four Peltier tiles mounted on an aluminum tube within a PVC pipe to convert the temperature difference between a person's hand and ambient air into electricity. This temperature difference produces enough power for the LED light to shine continuously for over 20 minutes. Researchers see potential for this design to power small devices sustainably using human body heat rather than batteries.
Toaster
Electric toasters use nichrome wire coils that produce infrared radiation to toast bread. When powered, the nichrome wire coils heat up and glow red, radiating infrared energy that gently dries and chars the surface of the bread. The circuitry includes a simple timer using transistors, resistors and capacitors that cuts power to the heating coils and electromagnet that holds the bread after a set amount of time determined by the rate of charging of the capacitor.
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Induction cooktops work by using electromagnetic induction to generate heat. An alternating current below the cooktop surface produces a magnetic field that induces current in ferrous metals of cookware above it, directly heating the pan. Induction cooktops offer faster and more even heating than gas or electric cooktops, with immediate temperature control and cooler surface temperatures that provide better safety and easier cleaning. However, induction cooktops are more expensive than other options and require induction-compatible cookware.
Energy6 c
Energy causes changes and exists in various forms like mechanical, chemical, heat, electrical, light, and nuclear. Energy can be renewable like solar or non-renewable like fossil fuels. Energy can be transferred, stored, transported, and transformed from one form to another. Heat is a form of energy and temperature measures hot and cold, while conductors and insulators affect heat and electricity transmission. Power plants produce electricity through various means like hydroelectric, wind, thermal, nuclear, and solar energy.
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This document proposes developing a thermoelectric device charger that harnesses wasted heat to generate electricity. It will use thermoelectric generators to directly convert heat to electricity, then a DC-DC booster and voltage regulator to condition the output to 5V/100mA to charge devices via USB. The objectives are to create a portable charger for situations without power. It will utilize common electronic components like an IC, inductor, capacitor, and PCB board. The proposal provides a block diagram, flowchart, budget, timeline, and discusses benefits of the design.
Km89 dc powered solar cooler cum thermal fridge (wecompress)
Mechanical engineering project topics for final year, 1000KV Technologies, Live projects 1000kv technologies, EEE project list, mechatronics projects, live projects ameerpet, live projects near me, live projects institutes Hyderabad, mechanical projects hyderabad,
1000KV Technologies Live projects 9030844877, 9030844866 Educational consultant in Hyderabad, Telangana
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Portable Electic Heaters - Separating Fact from Fiction
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Thermo electric generator
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Phoenix Thermo Electric LLC English #1
Phoenix Thermo Electric USA LLC has developed a solid-state electric generator that can achieve higher efficiencies than other alternative energy production methods. The generator uses thermoelectric technology to generate electricity from heat without any moving parts. It can use various heat sources such as solar, natural gas, or biofuels. Compared to other technologies like wind, solar, and natural gas, the Phoenix generator has a lower cost per watt and higher efficiency. It also has benefits like continuous electricity production using heat storage, lower maintenance needs, and a longer lifetime.
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This document discusses the assembly and applications of a thermodynamic charger. It is made up of several chapters: an introduction on thermodynamic chargers and waste heat recovery; chapters on the parts, tools, and assembly instructions; and a concluding chapter on practical applications and current efficiency limitations. The thermodynamic charger uses thermoelectric generators to harness waste heat from sources like wood stoves and convert it into electrical energy to charge batteries.
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Induction cooking works by using electromagnetic induction to heat cookware. An induction hob contains a coil that produces a high-frequency electromagnetic field. When a ferromagnetic cookware vessel is placed on the hob, the field induces currents in the cookware which heat it up quickly. Induction cooking has advantages over gas or electric cooking as it is more energy efficient, with no heat radiation and easy to clean ceramic surfaces.
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Development of thermoelectric devices charges
This document proposes developing a thermoelectric device charger that harnesses wasted heat to generate electricity. It will use thermoelectric generators to directly convert heat to electricity, then a DC-DC booster and voltage regulator to condition the output to 5V/100mA to charge devices via USB. The objectives are to create a portable charger for situations without power. It will utilize common electronic components like an IC, inductor, capacitor, and PCB board. The proposal provides a block diagram, flowchart, budget, timeline, and discusses benefits of the design.
Km89 dc powered solar cooler cum thermal fridge (wecompress)
Mechanical engineering project topics for final year, 1000KV Technologies, Live projects 1000kv technologies, EEE project list, mechatronics projects, live projects ameerpet, live projects near me, live projects institutes Hyderabad, mechanical projects hyderabad,
1000KV Technologies Live projects 9030844877, 9030844866 Educational consultant in Hyderabad, Telangana
Address: #A2, Eureka court complex, 2nd floor, kallu compound road, 2nd floor, A2 flat, image hospital near, Ameerpet, Hyderabad, Telangana 500016
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The document discusses using thermocouples to convert the waste heat generated by laptops into electrical energy to charge the laptop battery. A thermocouple consists of two different metals that produce small amounts of electricity when heated due to temperature differences. Arrays of many thermocouples, called thermopiles, can produce higher voltages and currents. The document proposes installing a thermopile on the bottom of laptops to capture the heat and use it to self-charge the battery, providing energy savings and reducing laptop heating problems.
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This document describes the design and construction of a thermoelectric fan powered by a candle. The fan uses the thermoelectric effect to convert the temperature difference generated by a candle flame into electric power to drive a small DC motor and fan. Key components include a thermoelectric cooler module, two heatsinks attached to either side of the module, a small DC motor, and fan. Testing showed the fan was able to generate between 0.1W and 0.36W of power from a single candle, demonstrating this novel use of thermoelectric generation to power a small fan. Proposed modifications include using multiple modules to increase power output or adding wheels to create a mobile candle-powered fan.
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Here is detailed list of leading Induction Cooker manufacturer, Induction Cooker exporter from India. Find quality products from Induction Cooker exporter and manufacturing companies in India.
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Portable Electic Heaters - Separating Fact from Fiction
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The document summarizes the design of a mini DC portable refrigerator powered by solar energy. The refrigerator uses a solar PV cell to generate electricity from sunlight which is then regulated by a microcontroller and DC-DC buck converter to power a Peltier semiconductor for cooling. A lead-acid battery stores excess solar energy for powering the refrigerator without sunlight. The refrigerator is intended for outdoor applications like picnics and medical purposes to provide a pollution-free and portable cooling solution.
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To design a project that could be used to utilize the waste heat energy into electricity for multipurpose use in various applications and household purposes. This system should be economical, easy to implement and does not produce any kind of pollution, it is silent and does not require any kind of fuel to work. The main feature of this project is that it converts direct temperature difference into electricity. It is based upon thermoelectric energy generation concept and has many applications in electricity generation from automobile waste heat, heat liberated from household items, electricity generation from glaciers (ice) and a lot of similar applications where temperature difference from environment is converted into electricity. This concept is very useful in terms that it adds up to other renewable sources of energy and can be used in place of other non-conventional sources of energy like wind, solar, tides, geothermal heat, etc. This is a new concept for electricity generation using temperature difference between junctions of a peltier element to be used in our project. The complete Thermo Electric Generator would be based on Seebeck Effect that is reverse of peltier effect. The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice-versa
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Phoenix Thermo Electric USA LLC has developed a solid-state electric generator that can achieve higher efficiencies than other alternative energy production methods. The generator uses thermoelectric technology to generate electricity from heat without any moving parts. It can use various heat sources such as solar, natural gas, or biofuels. Compared to other technologies like wind, solar, and natural gas, the Phoenix generator has a lower cost per watt and higher efficiency. It also has benefits like continuous electricity production using heat storage, lower maintenance needs, and a longer lifetime.
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THIS IS A PPT ON "CONVERSION OF THERMAL ENERGY INTO VOLTAGE USING THERMOELECTRIC MODULES".
IT INCLUDES:
A SHORT INTRO
THERMOELECTRIC MODULES
WORKING & CONSTRUCTION
EXPERIMENT PART
PROBLEMS & BENEFITS
CURRENT USES
FUTURE SCOPES
HOPE YOU FRIENDS LIKE MY WORK.
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The document discusses Midea induction cookers, including their safety features, energy saving benefits, and environmental friendliness. It describes the key parts of induction cookers and Midea's product lines. The document also provides answers to frequently asked questions about using and cleaning induction cookers.
Working of calorifier with solar collector
A single element solar water heater works by collecting solar radiation using solar collectors, pumping the collected heat to a solar tank called a calorifier using a solar pump station. Inside the calorifier, the heat is transferred to domestic water through a serpentine heat exchanger coil, and an electric element heats the water to the required temperature if needed, controlled by a built-in thermostat and solar controller connected to sensors.
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This document summarizes a student project report on developing a campfire charger. It includes:
1. The names and student IDs of the two students working on the project.
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3. An abstract stating the project aims to utilize waste heat from campfires to generate electricity and charge electronic devices through a thermoelectric generator.
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Km89 dc powered solar cooler cum thermal fridge (wecompress)
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Portable Electic Heaters - Separating Fact from Fiction
Portable Electic Heaters - Separating Fact from Fiction
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The document discusses different types of solar energy and designs for a solar-powered worm bin, explaining that solar energy comes from the sun and can be used to generate electricity or heat through solar thermal and solar electric systems; it also presents designs using photovoltaic panels and air flow to power a fan and heat a worm bin in an efficient and inexpensive manner. The preferred design is a solar air collector that uses two PV panels and a fan to circulate warm air to the bin, as it is simple and efficient to build and operate with minimal energy consumption.
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Here are some ways to conserve energy:
- Turn off lights and electronics when not in use
- Use energy efficient light bulbs like LED bulbs
- Lower your thermostat a few degrees in winter and raise it a few degrees in summer
- Seal air leaks around windows and doors to prevent heat/cool air from escaping
- Insulate your attic, walls and pipes to prevent heat transfer
- Open curtains on sunny sides of the house to let in natural light and heat
- Use major appliances like washers/dryers at off-peak hours if possible
- Take shorter showers to save water and the energy used to heat it
- Air dry clothes instead of using
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Here are some ways to conserve energy:
- Turn off lights and electronics when not in use
- Use energy efficient light bulbs like LED bulbs
- Lower your thermostat a few degrees in winter and raise it a few degrees in summer
- Seal air leaks around windows and doors to prevent heat/cool air from escaping
- Insulate your attic, walls and pipes to prevent heat transfer
- Open curtains on south-facing windows during winter and close them at night to retain heat from the sun
- Use a programmable thermostat to adjust temperatures automatically when not home
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1. Baking a potato takes a long time, even when cooking uses differe.pdf
1. Baking a potato takes a long time, even when cooking uses different forms of
thermodynamics. Even in a hot oven, the inside of a potato warms up very slowly.
a. What makes it hard for conduction to transfer heat to the center of the potato?
b. What makes it hard for convection to transfer heat to the center of the potato?
c. What makes it hard for radiation to transfer heat to the center of the potato?
d. Why does inserting a metal skewer through the potato help it to cook quickly
e. Why Can a Microwave do this job more efficiently and quicker?
f. What is a potato clock and why does it work?
2. An electric hot water heater takes cold water at its inlet pipe and delivers hot water at its outlet
pipe. Between these two pipes is a large water container. Many electric hot water heaters have
two separate heating elements: one near the top of the water container and one near the bottom.
Both heating elements project into the same hot water container inside the water heater. When
the top element is heating water at the top of the container, why doesn’t convection occur and
cause water at the bottom of the container to also become hot?
Convection dictates where the water pipes attach to the container. Where hot water should be
extracted from the container, and where should cold water be introduced into the container to
replace that hot water?
Why does the water heater’s bottom heating element operate more often and age more quickly
than its top heating element?
Why is it important to thermally insulate the hot water heater’s container?
Energy flows into the hot water heater as electricity. Since energy is conserved and can’t
accumulate forever inside the heater, it must leave somehow. At a time when the hot water is
being used, how does most of the energy leave the hot water heater?
How does “Instant Hot” water in a water cooler work differently?
g. After a new water heater is installed in the basement, the bathroom sink in a 2 story home
keeps banging and shooting out water. What might have cause this and what can be done to fix
this yourself?
3. Friction in starting fires
a. If you press a wooden peg against another piece of wood and spin the peg rapidly, it can
become hot enough to ignite. The peg produces thermal energy no matter how fast it spins, so
why is it important that it spin rapidly?
b. If you strike a piece of flint against a piece of steel, you can shave a red-hot spark off the steel.
However, moments later the surface of the steel itself barely feels warm. What happens to the
thermal energy in that surface?
c. When you rub a match on a matchbook, it suddenly bursts into flames. The principal source of
heat here is a chemical reaction in the match head. What purpose does the initial thermal energy
serve in starting this reaction?
d. What is a safety match? How does it work?
e. You might see a “cowboy match” in a movie light a match by rubbing it on the heel of their
boot. How does a match light that way.
4. Glass transmits the visib.
Renewable Energy Technologies course -Chapter 3 solar energy
this chapter explain give information about :
•Solar radiation
• Solar thermal energy
• Photovoltaics (Solar cells)
• CO2 capture and solar fuels
Generating electricity (teach)
Electricity is generated by using another form of energy, such as coal, natural gas, nuclear, or renewable resources, to produce steam that turns a turbine connected to a generator; the turbine spins a coil of wire inside a magnet, creating an electric current; other methods of generating electricity include using wind, water, or solar energy to directly turn the turbine or create electricity via photovoltaic cells.
Solar Thermal Power
Solar thermal power generation systems use mirrors to collect sunlight and produce steam by solar heat to drive turbines for generating power. This system generates power by rotating turbines like thermal and nuclear power plants, and therefore, is suitable for large-scale power generation.
Comenius francia energia solare3
The document discusses solar thermal energy and its use for heating water. It describes how solar thermal systems work, including the components involved like solar collectors, heat exchangers, and storage tanks. Two main types of systems are described: forced circulation systems, which use pumps to circulate liquid through collectors and heat water in a tank, and natural circulation systems, where thermal expansion moves liquid upward without pumps. Benefits include reducing carbon emissions and energy costs, while disadvantages include large space needs and high initial installation costs.
Presentation on Thermoelectric refrigerator
This document presents information on a thermoelectric refrigerator. It includes an abstract that describes how thermoelectric modules can be used to produce refrigeration without CFCs. It then discusses the principles of thermoelectric refrigeration including the Peltier effect. It provides descriptions of the key components of the refrigerator like the thermoelectric module, heat sinks, fans, and temperature indicator. It also includes specifications, power calculations, comparisons to normal refrigerators, advantages, applications and concludes that thermoelectric refrigerators are portable, compact and environmentally friendly alternatives for some cooling applications.
Solar Thermal Power.pptx
The document discusses different types of solar thermal power generation systems that use mirrors to collect sunlight and produce steam to drive turbines for power generation. It describes the main types as parabolic trough systems, solar power tower systems, solar dish/engine systems, and compact linear Fresnel reflectors. These systems work by using mirrors to concentrate sunlight and heat a working fluid like molten salt that is then used to generate electricity via steam turbines. The document also discusses advantages like no fuel costs, disadvantages like high installation costs, and challenges around energy storage and bringing costs down further.
Thermoelectric Fan Powered By a Candle
A thermoelectric fan is powered by a candle using the thermoelectric effect. A thermoelectric module generates voltage from the temperature difference between its hot and cold sides. In the fan, a candle heats one side of a module, while a CPU heatsink cools the other. The voltage powers a motor that spins a fan, circulating air to maintain the temperature difference and continue powering the fan. The design aims to use a candle's waste heat to power an electric air circulator in an efficient yet simple homemade project.
heat engine overview
this ppt made and upload by PRATIK DARJI. and it is realated to more information about heat Engines....
Chapter 2 solar energy 2021 part 1
Lecture 2 - 2021
Renewable Energy Course
By
Prof. Ghada Amer
Faculty of Engineering - Benha University
Thermal power plant
introduction to thermal powerplant,type of thermal powerplant,captive powerplant,rankin cycle,co-generation powerplant,subcritical powerplant,supercritical powerplant,theory of operation,working principle,parts of powerplant,boiler,turbine,etc
Practical Electricity
Electricity can be used for heating, lighting, and powering motors. Heating elements get hot when electricity passes through, lighting works when the filament in a bulb is heated to glow, and motors use magnetic fields to convert electricity into rotational motion. Dangers of electricity include damaged insulation, overheating of cables from overloading or thin wires, and damp conditions allowing electricity to pass through water to a person's body. Proper and safe use of electricity in the home requires awareness of these hazards.
Energy 1 Resources
Forms of energy include thermal, mechanical, gravitational potential, elastic potential, light, sound, electrical, chemical, and nuclear. Most energy in the US goes to electricity, which is generated by converting mechanical energy into electrical energy using magnets and copper wire to create an electromagnetic field and current. Energy can be obtained from various renewable and nonrenewable resources, with each having their own pros and cons. Renewable resources include solar, hydropower, wind, geothermal, and biomass while nonrenewable resources are fossil fuels and nuclear fuels.
Energy Efficiency
The document discusses energy efficiency and conservation. It explains that efficiency means reducing energy losses during conversions from one form to another. Conservation refers to reducing consumption through lifestyle changes and technology. While the total energy in the universe remains constant, the form of energy can change through conversions. Common energy sources include fossil fuels, nuclear, and solar/wind, which are converted into more useful forms through devices. These conversions are never 100% efficient, with some energy always lost as low quality heat.
electricity generation from waste heat of gas.
Waste heat is by necessity produced both by machines that do work and in other processes that use energy, for example in a refrigerator warming the room air or a combustion engine releasing heat into the environment.
The need for many systems to reject heat as a by-product of their operation is fundamental to the laws of thermodynamics. Waste heat has lower utility (or in thermodynamics lexicon a lower exergy or higher entropy) than the original energy source.
Solar energy
The document discusses the use of solar energy for water heating. It begins by defining solar energy and describing the two main forms: passive and active solar energy. It then discusses using solar energy to heat water for homes through solar water heating systems. These systems use solar panels to collect heat from the sun and transfer it to heat water stored in a hot water cylinder. The water can then be further heated using a boiler if additional heating is needed. The document provides details on different types of solar water heating systems and their components. In conclusion, it states that solar water heating is a renewable and cost-effective way to generate hot water for homes.
CT-M1-opt2Assume that Parent Company decides to acquire Sub Compan.docx
CT-M1-opt2Assume that Parent Company decides to acquire Sub Company for $564,000 of debenturesSub Company Balance Sheet Prepare the consolidating journal entries for a 100% Asset Acquisition (using Cash)Assets, Liabilities & EquitiesBook ValueFair ValueAccount AmountDRCRCash$40,000$40,000AR$15,000$10,000Inventory$105,000$200,000Land $60,000$100,000Plant and Equipment$400,000$300,000Less: Accumulated Depreciation-$150,000Goodwill$10,000Patent$0$0 Total Assets$480,000$650,000AP$50,000$50,000Common Stock$100,000Additional Paid In Capital$60,000Retained Earnings$270,000 Total Liabilities & Equity$480,000Assume that Parent Company decides to acquire Sub Company for $580,000 of debenturesSub Company Balance Sheet Prepare the consolidating journal entries for a 100% Asset Acquisition (using Cash)Assets, Liabilities & EquitiesBook ValueFair ValueAccount AmountDRCRCash$40,000$40,000AR$15,000$10,000Inventory$105,000$200,000Land $60,000$100,000Plant and Equipment$400,000$300,000Less: Accumulated Depreciation-$150,000Goodwill$10,000Patent$0$0 Total Assets$480,000$650,000AP$50,000$50,000Common Stock$100,000Additional Paid In Capital$60,000Retained Earnings$270,000 Total Liabilities & Equity$480,000Assume that Parent Company decides to acquire Sub Company for $625,000 of debenturesSub Company Balance Sheet Prepare the consolidating journal entries for a 100% Asset Acquisition (using Cash)Assets, Liabilities & EquitiesBook ValueFair ValueAccount AmountDRCRCash$40,000$40,000AR$15,000$10,000Inventory$105,000$200,000Land $60,000$100,000Plant and Equipment$400,000$300,000Less: Accumulated Depreciation-$150,000Goodwill$10,000Patent$0$0 Total Assets$480,000$650,000AP$50,000$50,000Common Stock$100,000Additional Paid In Capital$60,000Retained Earnings$270,000 Total Liabilities & Equity$480,000
English rapport.odt
SOLAR ENERGY IN SAUDI ARABIA
Turki BUJLAI
ID number
Framing :
M.BENSON
Summary
Table of Contents
Summary...................................................................................
Inrodution................................................................................
1. Solar energy.........................................................................
1.1 Definition.....................................................................................
1.2 Use in Saudi Arabia.......................................................................
1.2.1 Termal energy................................................................................
1.2.2 Photovoltaics.................................................................................
1.3 Advantage and disadvantage.........................................................
1.4 Advantage for Saudi Arabia.........................................................
2. Conclusions..............................................................................
3. References..........................
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my space show 1.pptx
Crowded interiors would be a defining feature of private ships. Supply bags and containers would fill the interior spaces, leaving barely any room to move around. Characters would have to squeeze between bags and would only be able to see each other between them. For poor contractors and salvagers, leaving anything behind would be unthinkable, so they would pack their ships to the point where movement could be dangerous during high-G maneuvers. Experienced spacers, however, would feel uneasy without being surrounded by bags. Being placed in the open spaces of holding cells could even trigger panic attacks for spacers accustomed to tight, packed quarters.
mariospacedronefpv.docx
This document describes a proposed space drone racing game. It discusses allowing players to:
1) Place gates on different space-themed arenas and save/share custom maps.
2) Select from different drone configurations and tune their power, weight, and fuel.
3) Have an "edit mode" where gates can be placed and reordered by connecting to them freely without physics.
4) Save, export, import maps and play in free flight or timed race modes against other players.
FAQ.docx
- The document is a set of FAQs regarding the creator's controller project. The creator prefers prototyping over making shells due to comfort and customization reasons. They do not want to start a business as that is not their objective, and getting all manufacturers on board would better achieve their goals of new games. The fundamental inspiration was a lack of existing games in a specific environment they want to experience. While others have made similar games, none are a complete match. The creator looks forward to but does not try to make their own game due to lack of skill and project size. They share their project to hopefully increase demand for the types of games they want rather than start an uncontrollable kickstarter. Their ultimate goal is
There's no Space Drone Racing Simulator
The document proposes the idea of a space drone racing simulator. Some key points:
- It envisions drone races taking place inside the ISS, with small drones navigating hoops. Races would focus on efficiency and navigating courses before exhausting fuel.
- The drones would be modeled after NASA's SPHERES, powered by compressed gas like CO2 with 20-30 seconds of thrust.
- An ideal simulator would allow customizing courses, drone properties, control schemes, and physics models to explore different racing scenarios in space.
- Rather than developing it alone, the author hopes their idea inspires others to create such a simulator, as they think it could be very engaging if done well.
space FPV racing
Pilots on the ground could compete in space FPV drone racing by flying small, slow drones launched from a suborbital vehicle or space station. The drones would use cold-gas monopropellant for propulsion, limiting them to traveling only a few meters at very low speeds within a small inflatable course. A suborbital vehicle could achieve enough zero-gravity time for multiple 2-minute racing heats before the drones and vehicle fall back to Earth and are destroyed upon impact. This approach allows competitive racing with minimal latency for drone controls from the ground and avoids the high costs and challenges of operating drones in orbit.
first arguments for complex controllers and manual robotics
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Variations on the expanse (1)
This document outlines an idea for an alternative sci-fi setting inspired by the TV show "The Expanse." In the setting, a fungus-like organism called the protomolecule is developed by humans on Earth instead of being of alien origin. When tested on the asteroid Eros, fragments spread to Venus after Eros is destroyed, allowing the protomolecule to terraform Venus into a habitable planet. The document discusses how hybrids and colonization of Venus might occur in this alternative scenario.
The Legend of Super Mario Bros. (Revisited)
The document reimagines the story of Mario Bros. in a future where a massive moon-based infrastructure called the "Superstructure" has been built. Mario and Luigi work as plumbers in the Superstructure's vast drainage system. They become embroiled in a rebellion against the upper classes and go on the run. They encounter strange new animals, including Yoshi, and work to stop Bowser's plan to destroy the Superstructure's energy system, which would endanger all its inhabitants. In the end, both Mario and Bowser sacrifice themselves to stop a flood and save the Superstructure, while Yoshi also gives his life to help them save the city.
mariobros (updated)
The Mario Brothers find themselves lost in the enormous drainage system of a future megastructure called the Superstructure. There they encounter evolved animals like Yoshi the dinosaur. Yoshi helps the brothers and shows them that the Superstructure is in danger of collapsing, which would kill most of the world's population. Bowser plans to cause an energy overload that would destroy the Superstructure. Using their skills as plumbers, Mario and Luigi work with Yoshi to stop Bowser's plan by stabilizing the infrastructure. However, Yoshi sacrifices himself so the brothers can save the Superstructure, and Mario, Luigi and Bowser all perish in the resulting flood that stabilizes the structure.
Mariobros
The Legend of the Super Mario Brothers is set in a future where a massive superstructure that houses more people than ever before has been constructed. Mario and Luigi work as plumbers in the superstructure's enormous infrastructure. They must race to save the superstructure after the militant Bowser plans to overload the energy system through a construction project, which could destroy the structure and kill its inhabitants. Mario, Luigi, and their dinosaur friend Yoshi work to stop Bowser's plan, though it ultimately leads to Yoshi sacrificing himself so the brothers can flood the area and safely disperse the overloading energy, even if it means they and Bowser perish in the process.
Ufo's and no_sonic_boom
The document discusses the possibility that particle collisions in the Large Hadron Collider could produce tiny localized gravity effects. It suggests that within the area of such a collision, some particles could experience a force similar to gravity due to energy turbulence. However, this would not result in a net gravitational pull outside of the collision area. As an analogy, it compares this to how a paddle creates small whirlpools that pull on nearby water but do not change the overall water level. It further speculates that such localized gravity fields could enable new forms of propulsion for spacecraft by reducing g-forces during acceleration and allowing easier interstellar travel.
How to lift rocks in the ancient world
a walkthrough of a mechanical concept of the ancient world, that appears to be difficult to find a description of online.
Pilum into shield
The document questions whether a Roman scutum shield would rotate when hit by a pilum spear based on a video. It notes that in the video, the shield was fixed in place, allowing the pilum to easily penetrate without resistance. However, if the shield was able to rotate as a soldier would hold it, the movement could create friction to slow or stop the pilum from fully penetrating, as the sides of the hole in the shield would pinch the pilum. It concludes by asking if such rotation could result in bending the pilum.
Pogo rocket
The document describes a proposed "Rocket-Pogo" device that would allow astronauts to maneuver in space. The Rocket-Pogo would have simple controls, including thrust, stabilize, and brake. Thrust would come from a downward facing thruster, allowing the astronaut to orient the device as needed. Stabilize would lock the attitude of the Rocket-Pogo to arrest any rotation. The basic usage would involve using stabilize to position the body, then position and stabilize the Rocket-Pogo before thrusting. Some key advantages discussed are that a handheld device like this would help maintain a stable posture during acceleration and allow acceleration in any direction by pointing with the hands.
Resistance bomber scene newtonian
The document discusses the strategy and physics of using bombs in space combat according to Newtonian physics. It explains that bombers normally deploy bombs from a safe distance to intercept enemy ships in orbit, but the Resistance bomber had to approach the enemy Dreadnought directly and deploy all of its bombs at once to destroy it, which was an extremely risky maneuver. Deploying bombs can also force enemy ships to maneuver and prevent them from launching fighters for a period of time.
Fake swords everywhere
The document discusses the design and manufacturing process of gladius swords. It provides several key points:
1) Gladius swords were designed to be very strong and durable weapons that would serve their purpose if needed by the hero wielding them.
2) Modern historians are biased in their analyses based on what artifacts have survived, rather than considering that most swords produced were likely ordinary quality given the high costs of expert craftsmanship.
3) Swords have a round cross-section because hammering out the metal from an ingot naturally curves it as the material thins, in addition to a round shape producing a sharper blade.
Space game concepts 1
This document outlines ideas for gameplay mechanics in a space-based game focused on close-quarters navigation and drone-style racing. Key points include:
- Orbital mechanics would not be a core focus; gameplay would involve navigating nearby objects with short distances traveled.
- Rotation would be stabilized by thrusters or reaction wheels, each with pros/cons like jittery control or need for cooldown.
- The game would include many non-racing navigation courses for skill improvement, along with options for player-created courses and multiplayer racing.
- Drone racing courses could also be imported to take advantage of their design expertise and community sharing features.
- Delivery or taxi games set in dense fut
Death star approach newtonian
The X-wing must execute a near-impossible maneuver to destroy the Death Star. It must approach at maximum speed, perform a perfect full-power turn around the Death Star, and come to a complete stop at the exhaust port while firing. The torpedo must fly directly down the port without hitting the walls. Only by stopping inside the trench surrounding the port can the pilot avoid being vulnerable to the Death Star's defenses during this maneuver.
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The sustainable senator palpatine
- 2. Renewable energy funny!! or The Sustainable Senator Palpatine.
- 3. Generally AC heat is shed outside.
- 4. Waste heat recovery systems interact with the AC unit by blocking the exhaust, or by having an extra coil before the AC coil.
- 5. These systems are not that effective, and heat disperses a lot, making most people doubt the use of a waste heat recovery system.
- 6. The AC unit harvests heat from the building.
- 7. If the AC unit were in the basement, the heat would have to disperse into the building.
- 8. But we’re COOLING the building!!
- 9. If the waste heat recovery method generates electricity, the heat is gone! • Energy is neither created nor destroyed. • Heat that is focused and then used to run a boiler is converted into electrical energy. • This means that it is no longer heat! • It’s true, not all the heat will make it to electricity. • A system that vents into itself would be able to maintain the required temperature for efficient conversion. So overheating can be avoided because at the “overheat”, more energy is converted to electricity.
- 10. More on the overheating. • At first one wants to think that there will be heat that can’t be used. The temperature of power production is high. • If the energy is refocused and blended with incoming energy (using the AC unit), the temperature will be lowered to a consistent point by the electricity production process. • So, once the machine is “warmed up”, all of the energy taken in will be converted to electricity. • (actually there is always entropy, and engineering will always improve slowly)
- 11. It’s against the law… • It is illegal to put AC units in the basement. • (don’t get too scoffy, I know its because of fire) • This is why it was illegal to build tall buildings!! • They might fall over!! • Actually the truth is AC units wouldn’t work in enclosed spaces, because the heat would accumulate, and heat only transfers to cooler mediums. So without the power production, the AC unit would only pump fluid and air around.
- 12. If the unit can convert the buildings used energy into electricity, it won’t need new electricity, it gets it back. If the building also harvests heat from outside, it could use the Urban Heat Island to power the grid!!
- 13. The energy will disperse into the air that is already being harvested (cooled). The energy level outside is higher than in the building, (assuming the heat becomes electricity) so energy will still disperse from the outdoors into the building, keeping building heat inside the building.
- 16. Death star super-cools exterior to harvest stellar light.
- 17. Death Star focuses energy beam over paying urban area from far away, who uses solar cells and waste heat recovery systems to harvest Death Star energy into electricity.