SlideShare a Scribd company logo
Have you ever grabbed theHave you ever grabbed the
handle of a hot metal pan?handle of a hot metal pan?
What did you feel?What did you feel?
Boiling a pot of water on theBoiling a pot of water on the
stove to cook some elbow pasta.stove to cook some elbow pasta.
What did you notice to theWhat did you notice to the
pasta?pasta?
We feel heat from the fire evenWe feel heat from the fire even
though we are not touching it.though we are not touching it.
How did it happen?How did it happen?
Heat TransferHeat Transfer
 The transfer of thermal energy betweenThe transfer of thermal energy between
substances due to difference in theirsubstances due to difference in their
temperature.temperature.
 HeatHeat is thermal energy that it is transmit fromis thermal energy that it is transmit from
warmer object to the cooler matterwarmer object to the cooler matter
Heat hot to cold
ConductionConduction
ConvectionConvection
RadiationRadiation
Method of HeatMethod of Heat
TransferTransfer
What is conduction?
Is the transferof heat through a
material by direct contact.
Prepare a coffee in same volume of hot 40ml water at 70Prepare a coffee in same volume of hot 40ml water at 70ºCºC
after 2 mins. measure the temperature of the coffeeafter 2 mins. measure the temperature of the coffee
using thermometer. Observe what happen?using thermometer. Observe what happen?
Prepare a coffeePrepare a coffee
Group 1 Group 2 Group 3
Styrofoam
cup
Metal
glass
Fiber
glass
Thermal Conductivity
 The thermal conductivity of a material describes
how well the material conducts heat.
Styrofoam
cup
Metal glassFiber glass
Conductors and InsulatorsConductors and Insulators
 Conductors — Materials that allow heat to— Materials that allow heat to
quickly pass throughout the material (suchquickly pass throughout the material (such
as metals).as metals).
 Insulators — Materials that do not allow— Materials that do not allow
heat to quickly pass throughout a materialheat to quickly pass throughout a material
(such as wood or plastic).(such as wood or plastic).
 This mainly deals with the movement ofThis mainly deals with the movement of
electrons.electrons.
 Metals have a “sea of electrons” that allows forMetals have a “sea of electrons” that allows for
quick heat transfer.quick heat transfer.
Heat is transferred to your bodyHeat is transferred to your body
because it is direct contact with abecause it is direct contact with a
body that is at a higherbody that is at a higher
temperature.temperature.
Imagine that you are walkingImagine that you are walking
barefoot across asphalt onbarefoot across asphalt on
scorching summer day. Whyscorching summer day. Why
do this object feels hot todo this object feels hot to
you?you?
{{ {{
We feelWe feel
discomfortdiscomfort
When you grabbed theWhen you grabbed the
handle of hot metal pan.handle of hot metal pan.
What would you feel?What would you feel?
Boiling a pot of water on theBoiling a pot of water on the
stove to cook elbow pasta.stove to cook elbow pasta.
What do you notice to the
pasta when it suddenly
drop to the boiled water?
The pasta rises to the
top of the pan gets
pushed to the side and
sink to the bottom it
rises.
 The cooler water at the top sinks and theThe cooler water at the top sinks and the
warmer water dense, less dense water rises towarmer water dense, less dense water rises to
the top.the top.
 As the cooler ware sinks it heats up and movesAs the cooler ware sinks it heats up and moves
back to the top.back to the top.
 There is a reversible process of hot and warmThere is a reversible process of hot and warm
water. The water being heated up and thewater. The water being heated up and the
warmer water sinks in a continuouslywarmer water sinks in a continuously
movement .movement .
How it was happen?How it was happen?
What is convection?What is convection?
 is the transfer ofis the transfer of
heat by theheat by the
motion of liquidsmotion of liquids
and gases.and gases.
What is radiation?What is radiation?
 is heat transfer by electromagneticis heat transfer by electromagnetic
waves.waves.
Is heat transfer that travels throughIs heat transfer that travels through
empty spaceempty space
It does not require a medium
 The heat comingThe heat coming
from the sunfrom the sun
emitted by theemitted by the
boy, that feels himboy, that feels him
warm.warm.
 ElectromagneticElectromagnetic
radiation giveradiation give
heats to the bodyheats to the body
of the Earth.of the Earth.
Sun
the heat coming from the
sun give us a temperature
or energy negligible by the
air resistance.
How will radiation method explain theHow will radiation method explain the
picture?picture?
Branches
preheated
by
convection
and
radiation
Brush
preheated by
radiation
Log preheated by
conduction/radiation
Duff preheated by
conduction/radiation
Tree trunk
preheated by
radiation
 Is the transfer of heatIs the transfer of heat
through directthrough direct
contact with thecontact with the
material.material.
 is the transfer of heatis the transfer of heat
by the motion ofby the motion of
liquids and gases.liquids and gases.
 Is the transfer of heatIs the transfer of heat
through emptythrough empty
space.space.
Radiation
Conduction
Convection
Convection MethodConvection Method
 Cooler temperature is denser than theCooler temperature is denser than the
warm one, that is why it cooler atwarm one, that is why it cooler at
night than in day timenight than in day time
 In ¼ sheet of paper explain briefly andIn ¼ sheet of paper explain briefly and
accurately the following: (5 points each)accurately the following: (5 points each)
 1. Explain the water cycle and relate it in1. Explain the water cycle and relate it in
heat transfer.heat transfer.
 2. How energy is transfer in the process of:2. How energy is transfer in the process of:
 A. ConductionA. Conduction
 B. ConvectionB. Convection
 C. RadiationC. Radiation
EssayEssay
 Define thermal conductivity.Define thermal conductivity.
 List some thermal conductivities ofList some thermal conductivities of
different materials.different materials.
 What are the different equations to getWhat are the different equations to get
radiation rate?radiation rate?
AssignmentAssignment
PREPARED BY:PREPARED BY:
KAREN A. ADELANKAREN A. ADELAN
BSE 3BSE 3 
Thank you!!!!!MabuhayThank you!!!!!Mabuhay

More Related Content

What's hot

Heat transfer
Heat transferHeat transfer
Heat transfer
SandhyaPunetha1
 
Gases
GasesGases
Heat transfer
Heat transfer Heat transfer
Heat transfer
Aruna c p
 
Measurement and conversion practice with answers
Measurement and conversion practice with answersMeasurement and conversion practice with answers
Measurement and conversion practice with answers
eziennker
 
Ideal Gas Law
Ideal Gas LawIdeal Gas Law
Ideal Gas Law
Marian Joyce Macadine
 
Charles law
Charles lawCharles law
Charles law
CaitlinBrewer
 
Entropy
EntropyEntropy
Entropy
Pallavi Yadav
 
Thermodynamics - Heat and Temperature
Thermodynamics - Heat and TemperatureThermodynamics - Heat and Temperature
Thermodynamics - Heat and Temperature
Ra Jay
 
Thermodynamics, part 4
Thermodynamics, part 4Thermodynamics, part 4
Thermal expansion
Thermal expansionThermal expansion
Thermal expansion
Cyrus Vincent Eludo
 
06 dalton’s law of partial pressures
06 dalton’s law of partial pressures06 dalton’s law of partial pressures
06 dalton’s law of partial pressures
zehnerm2
 
Enthalpy
EnthalpyEnthalpy
Lecture 4 introduction to thermodynamics
Lecture 4   introduction to thermodynamicsLecture 4   introduction to thermodynamics
Lecture 4 introduction to thermodynamics
Kanak Raj
 
Ideal Gas Law
Ideal Gas LawIdeal Gas Law
Ideal Gas Law
Jan Parker
 
Energy,heat,work and thermodynamic processes
Energy,heat,work and thermodynamic processes Energy,heat,work and thermodynamic processes
Energy,heat,work and thermodynamic processes
PEC University Chandigarh
 
Real and ideal gases
Real and ideal gasesReal and ideal gases
Real and ideal gases
Angela Stott
 
The heat is on !!
The heat is on !!The heat is on !!
The heat is on !!
jenpie
 
Heat Transfer
Heat TransferHeat Transfer
Heat Transfer
Jassfer Alina
 
Thermometry
ThermometryThermometry
Thermometry
Abhishek Alankar
 
Ideal gas law firs tthis one
Ideal gas law firs tthis oneIdeal gas law firs tthis one
Ideal gas law firs tthis one
Dr Robert Craig PhD
 

What's hot (20)

Heat transfer
Heat transferHeat transfer
Heat transfer
 
Gases
GasesGases
Gases
 
Heat transfer
Heat transfer Heat transfer
Heat transfer
 
Measurement and conversion practice with answers
Measurement and conversion practice with answersMeasurement and conversion practice with answers
Measurement and conversion practice with answers
 
Ideal Gas Law
Ideal Gas LawIdeal Gas Law
Ideal Gas Law
 
Charles law
Charles lawCharles law
Charles law
 
Entropy
EntropyEntropy
Entropy
 
Thermodynamics - Heat and Temperature
Thermodynamics - Heat and TemperatureThermodynamics - Heat and Temperature
Thermodynamics - Heat and Temperature
 
Thermodynamics, part 4
Thermodynamics, part 4Thermodynamics, part 4
Thermodynamics, part 4
 
Thermal expansion
Thermal expansionThermal expansion
Thermal expansion
 
06 dalton’s law of partial pressures
06 dalton’s law of partial pressures06 dalton’s law of partial pressures
06 dalton’s law of partial pressures
 
Enthalpy
EnthalpyEnthalpy
Enthalpy
 
Lecture 4 introduction to thermodynamics
Lecture 4   introduction to thermodynamicsLecture 4   introduction to thermodynamics
Lecture 4 introduction to thermodynamics
 
Ideal Gas Law
Ideal Gas LawIdeal Gas Law
Ideal Gas Law
 
Energy,heat,work and thermodynamic processes
Energy,heat,work and thermodynamic processes Energy,heat,work and thermodynamic processes
Energy,heat,work and thermodynamic processes
 
Real and ideal gases
Real and ideal gasesReal and ideal gases
Real and ideal gases
 
The heat is on !!
The heat is on !!The heat is on !!
The heat is on !!
 
Heat Transfer
Heat TransferHeat Transfer
Heat Transfer
 
Thermometry
ThermometryThermometry
Thermometry
 
Ideal gas law firs tthis one
Ideal gas law firs tthis oneIdeal gas law firs tthis one
Ideal gas law firs tthis one
 

Similar to Heat transfer: thermodynamics

Heat energy
Heat energyHeat energy
Heat energy
Padme Amidala
 
Heat Energy-transfer-conductionconvectionradiation.ppt
Heat Energy-transfer-conductionconvectionradiation.pptHeat Energy-transfer-conductionconvectionradiation.ppt
Heat Energy-transfer-conductionconvectionradiation.ppt
SupriyaShastri2
 
Conduction_Convection_Radiation_Notes.ppt
Conduction_Convection_Radiation_Notes.pptConduction_Convection_Radiation_Notes.ppt
Conduction_Convection_Radiation_Notes.ppt
VerenaAshraf
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
M.sathish
 
Conduction convection radiation
Conduction convection radiationConduction convection radiation
Conduction convection radiation
gdmay
 
Heat demo
Heat demoHeat demo
Heat demo
Dymphna Dequiña
 
Thermal energy
Thermal energyThermal energy
Thermal energy
theMrNeale
 
Heat flow
Heat flowHeat flow
Heat flow
masato25
 
HEAT-TRANSFER science 7 third quarter.pptx
HEAT-TRANSFER science 7 third quarter.pptxHEAT-TRANSFER science 7 third quarter.pptx
HEAT-TRANSFER science 7 third quarter.pptx
LunaLedezma3
 
Unit 28 - Heat And Temperature
Unit 28 - Heat And TemperatureUnit 28 - Heat And Temperature
Unit 28 - Heat And Temperature
Olympus High School - Jeff Taylor
 
heat flow jigsaw.docx
heat flow jigsaw.docxheat flow jigsaw.docx
heat flow jigsaw.docx
DanielBarnes24
 
Heat energy
Heat energyHeat energy
Heat energy
mohamad gohary
 
Introduction to heat transfer 26
Introduction to heat transfer 26Introduction to heat transfer 26
Introduction to heat transfer 26
Mehtab Rai
 
Introduction to heat transfer
Introduction to heat transferIntroduction to heat transfer
Introduction to heat transfer
panchal246
 
Introduction to heat transfer
Introduction to heat transferIntroduction to heat transfer
Introduction to heat transfer
panchal246
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
selvakumar948
 
Physics 2 notes: WAVES ONLY- Notes on the difference between longitudinal, t...
Physics 2 notes:  WAVES ONLY- Notes on the difference between longitudinal, t...Physics 2 notes:  WAVES ONLY- Notes on the difference between longitudinal, t...
Physics 2 notes: WAVES ONLY- Notes on the difference between longitudinal, t...
Robin Seamon
 
Thermo
ThermoThermo
Sect 18.2
Sect 18.2Sect 18.2
Sect 18.2
Gary
 
transfer of heat Teaching of General Science 2nd.pptx
transfer of heat Teaching of General Science  2nd.pptxtransfer of heat Teaching of General Science  2nd.pptx
transfer of heat Teaching of General Science 2nd.pptx
TheRealHeroes
 

Similar to Heat transfer: thermodynamics (20)

Heat energy
Heat energyHeat energy
Heat energy
 
Heat Energy-transfer-conductionconvectionradiation.ppt
Heat Energy-transfer-conductionconvectionradiation.pptHeat Energy-transfer-conductionconvectionradiation.ppt
Heat Energy-transfer-conductionconvectionradiation.ppt
 
Conduction_Convection_Radiation_Notes.ppt
Conduction_Convection_Radiation_Notes.pptConduction_Convection_Radiation_Notes.ppt
Conduction_Convection_Radiation_Notes.ppt
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
 
Conduction convection radiation
Conduction convection radiationConduction convection radiation
Conduction convection radiation
 
Heat demo
Heat demoHeat demo
Heat demo
 
Thermal energy
Thermal energyThermal energy
Thermal energy
 
Heat flow
Heat flowHeat flow
Heat flow
 
HEAT-TRANSFER science 7 third quarter.pptx
HEAT-TRANSFER science 7 third quarter.pptxHEAT-TRANSFER science 7 third quarter.pptx
HEAT-TRANSFER science 7 third quarter.pptx
 
Unit 28 - Heat And Temperature
Unit 28 - Heat And TemperatureUnit 28 - Heat And Temperature
Unit 28 - Heat And Temperature
 
heat flow jigsaw.docx
heat flow jigsaw.docxheat flow jigsaw.docx
heat flow jigsaw.docx
 
Heat energy
Heat energyHeat energy
Heat energy
 
Introduction to heat transfer 26
Introduction to heat transfer 26Introduction to heat transfer 26
Introduction to heat transfer 26
 
Introduction to heat transfer
Introduction to heat transferIntroduction to heat transfer
Introduction to heat transfer
 
Introduction to heat transfer
Introduction to heat transferIntroduction to heat transfer
Introduction to heat transfer
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
 
Physics 2 notes: WAVES ONLY- Notes on the difference between longitudinal, t...
Physics 2 notes:  WAVES ONLY- Notes on the difference between longitudinal, t...Physics 2 notes:  WAVES ONLY- Notes on the difference between longitudinal, t...
Physics 2 notes: WAVES ONLY- Notes on the difference between longitudinal, t...
 
Thermo
ThermoThermo
Thermo
 
Sect 18.2
Sect 18.2Sect 18.2
Sect 18.2
 
transfer of heat Teaching of General Science 2nd.pptx
transfer of heat Teaching of General Science  2nd.pptxtransfer of heat Teaching of General Science  2nd.pptx
transfer of heat Teaching of General Science 2nd.pptx
 

More from Kharen Adelan

Conservation of energy
Conservation of energyConservation of energy
Conservation of energy
Kharen Adelan
 
Radiation ppt
Radiation pptRadiation ppt
Radiation ppt
Kharen Adelan
 
Newton’s first law of motion
Newton’s first law of motionNewton’s first law of motion
Newton’s first law of motion
Kharen Adelan
 
properties of light
properties of lightproperties of light
properties of light
Kharen Adelan
 
pinhole camera product oriented assessment - rubric
pinhole camera product oriented assessment - rubricpinhole camera product oriented assessment - rubric
pinhole camera product oriented assessment - rubric
Kharen Adelan
 
work energy theorem and kinetic energy
work energy theorem and kinetic energywork energy theorem and kinetic energy
work energy theorem and kinetic energy
Kharen Adelan
 

More from Kharen Adelan (6)

Conservation of energy
Conservation of energyConservation of energy
Conservation of energy
 
Radiation ppt
Radiation pptRadiation ppt
Radiation ppt
 
Newton’s first law of motion
Newton’s first law of motionNewton’s first law of motion
Newton’s first law of motion
 
properties of light
properties of lightproperties of light
properties of light
 
pinhole camera product oriented assessment - rubric
pinhole camera product oriented assessment - rubricpinhole camera product oriented assessment - rubric
pinhole camera product oriented assessment - rubric
 
work energy theorem and kinetic energy
work energy theorem and kinetic energywork energy theorem and kinetic energy
work energy theorem and kinetic energy
 

Recently uploaded

S1-Introduction-Biopesticides in ICM.pptx
S1-Introduction-Biopesticides in ICM.pptxS1-Introduction-Biopesticides in ICM.pptx
S1-Introduction-Biopesticides in ICM.pptx
tarandeep35
 
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdfবাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
eBook.com.bd (প্রয়োজনীয় বাংলা বই)
 
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movieFilm vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
Nicholas Montgomery
 
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingYour Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Excellence Foundation for South Sudan
 
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptxC1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
mulvey2
 
A Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdfA Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdf
Jean Carlos Nunes Paixão
 
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdfWalmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
TechSoup
 
Hindi varnamala | hindi alphabet PPT.pdf
Hindi varnamala | hindi alphabet PPT.pdfHindi varnamala | hindi alphabet PPT.pdf
Hindi varnamala | hindi alphabet PPT.pdf
Dr. Mulla Adam Ali
 
How to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP ModuleHow to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP Module
Celine George
 
The basics of sentences session 6pptx.pptx
The basics of sentences session 6pptx.pptxThe basics of sentences session 6pptx.pptx
The basics of sentences session 6pptx.pptx
heathfieldcps1
 
DRUGS AND ITS classification slide share
DRUGS AND ITS classification slide shareDRUGS AND ITS classification slide share
DRUGS AND ITS classification slide share
taiba qazi
 
World environment day ppt For 5 June 2024
World environment day ppt For 5 June 2024World environment day ppt For 5 June 2024
World environment day ppt For 5 June 2024
ak6969907
 
How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17
Celine George
 
Advanced Java[Extra Concepts, Not Difficult].docx
Advanced Java[Extra Concepts, Not Difficult].docxAdvanced Java[Extra Concepts, Not Difficult].docx
Advanced Java[Extra Concepts, Not Difficult].docx
adhitya5119
 
MARY JANE WILSON, A “BOA MÃE” .
MARY JANE WILSON, A “BOA MÃE”           .MARY JANE WILSON, A “BOA MÃE”           .
MARY JANE WILSON, A “BOA MÃE” .
Colégio Santa Teresinha
 
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
Nguyen Thanh Tu Collection
 
Digital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental DesignDigital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental Design
amberjdewit93
 
BBR 2024 Summer Sessions Interview Training
BBR  2024 Summer Sessions Interview TrainingBBR  2024 Summer Sessions Interview Training
BBR 2024 Summer Sessions Interview Training
Katrina Pritchard
 
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
PECB
 
PCOS corelations and management through Ayurveda.
PCOS corelations and management through Ayurveda.PCOS corelations and management through Ayurveda.
PCOS corelations and management through Ayurveda.
Dr. Shivangi Singh Parihar
 

Recently uploaded (20)

S1-Introduction-Biopesticides in ICM.pptx
S1-Introduction-Biopesticides in ICM.pptxS1-Introduction-Biopesticides in ICM.pptx
S1-Introduction-Biopesticides in ICM.pptx
 
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdfবাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
 
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movieFilm vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
 
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingYour Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
 
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptxC1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
C1 Rubenstein AP HuG xxxxxxxxxxxxxx.pptx
 
A Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdfA Independência da América Espanhola LAPBOOK.pdf
A Independência da América Espanhola LAPBOOK.pdf
 
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdfWalmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
 
Hindi varnamala | hindi alphabet PPT.pdf
Hindi varnamala | hindi alphabet PPT.pdfHindi varnamala | hindi alphabet PPT.pdf
Hindi varnamala | hindi alphabet PPT.pdf
 
How to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP ModuleHow to Add Chatter in the odoo 17 ERP Module
How to Add Chatter in the odoo 17 ERP Module
 
The basics of sentences session 6pptx.pptx
The basics of sentences session 6pptx.pptxThe basics of sentences session 6pptx.pptx
The basics of sentences session 6pptx.pptx
 
DRUGS AND ITS classification slide share
DRUGS AND ITS classification slide shareDRUGS AND ITS classification slide share
DRUGS AND ITS classification slide share
 
World environment day ppt For 5 June 2024
World environment day ppt For 5 June 2024World environment day ppt For 5 June 2024
World environment day ppt For 5 June 2024
 
How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17How to Fix the Import Error in the Odoo 17
How to Fix the Import Error in the Odoo 17
 
Advanced Java[Extra Concepts, Not Difficult].docx
Advanced Java[Extra Concepts, Not Difficult].docxAdvanced Java[Extra Concepts, Not Difficult].docx
Advanced Java[Extra Concepts, Not Difficult].docx
 
MARY JANE WILSON, A “BOA MÃE” .
MARY JANE WILSON, A “BOA MÃE”           .MARY JANE WILSON, A “BOA MÃE”           .
MARY JANE WILSON, A “BOA MÃE” .
 
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
BÀI TẬP BỔ TRỢ TIẾNG ANH 8 CẢ NĂM - GLOBAL SUCCESS - NĂM HỌC 2023-2024 (CÓ FI...
 
Digital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental DesignDigital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental Design
 
BBR 2024 Summer Sessions Interview Training
BBR  2024 Summer Sessions Interview TrainingBBR  2024 Summer Sessions Interview Training
BBR 2024 Summer Sessions Interview Training
 
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
 
PCOS corelations and management through Ayurveda.
PCOS corelations and management through Ayurveda.PCOS corelations and management through Ayurveda.
PCOS corelations and management through Ayurveda.
 

Heat transfer: thermodynamics

  • 1. Have you ever grabbed theHave you ever grabbed the handle of a hot metal pan?handle of a hot metal pan? What did you feel?What did you feel?
  • 2. Boiling a pot of water on theBoiling a pot of water on the stove to cook some elbow pasta.stove to cook some elbow pasta. What did you notice to theWhat did you notice to the pasta?pasta?
  • 3. We feel heat from the fire evenWe feel heat from the fire even though we are not touching it.though we are not touching it. How did it happen?How did it happen?
  • 4. Heat TransferHeat Transfer  The transfer of thermal energy betweenThe transfer of thermal energy between substances due to difference in theirsubstances due to difference in their temperature.temperature.  HeatHeat is thermal energy that it is transmit fromis thermal energy that it is transmit from warmer object to the cooler matterwarmer object to the cooler matter Heat hot to cold
  • 6. What is conduction? Is the transferof heat through a material by direct contact.
  • 7. Prepare a coffee in same volume of hot 40ml water at 70Prepare a coffee in same volume of hot 40ml water at 70ºCºC after 2 mins. measure the temperature of the coffeeafter 2 mins. measure the temperature of the coffee using thermometer. Observe what happen?using thermometer. Observe what happen? Prepare a coffeePrepare a coffee Group 1 Group 2 Group 3 Styrofoam cup Metal glass Fiber glass
  • 8. Thermal Conductivity  The thermal conductivity of a material describes how well the material conducts heat. Styrofoam cup Metal glassFiber glass
  • 9. Conductors and InsulatorsConductors and Insulators  Conductors — Materials that allow heat to— Materials that allow heat to quickly pass throughout the material (suchquickly pass throughout the material (such as metals).as metals).  Insulators — Materials that do not allow— Materials that do not allow heat to quickly pass throughout a materialheat to quickly pass throughout a material (such as wood or plastic).(such as wood or plastic).  This mainly deals with the movement ofThis mainly deals with the movement of electrons.electrons.  Metals have a “sea of electrons” that allows forMetals have a “sea of electrons” that allows for quick heat transfer.quick heat transfer.
  • 10. Heat is transferred to your bodyHeat is transferred to your body because it is direct contact with abecause it is direct contact with a body that is at a higherbody that is at a higher temperature.temperature. Imagine that you are walkingImagine that you are walking barefoot across asphalt onbarefoot across asphalt on scorching summer day. Whyscorching summer day. Why do this object feels hot todo this object feels hot to you?you?
  • 11. {{ {{ We feelWe feel discomfortdiscomfort When you grabbed theWhen you grabbed the handle of hot metal pan.handle of hot metal pan. What would you feel?What would you feel?
  • 12. Boiling a pot of water on theBoiling a pot of water on the stove to cook elbow pasta.stove to cook elbow pasta. What do you notice to the pasta when it suddenly drop to the boiled water? The pasta rises to the top of the pan gets pushed to the side and sink to the bottom it rises.
  • 13.  The cooler water at the top sinks and theThe cooler water at the top sinks and the warmer water dense, less dense water rises towarmer water dense, less dense water rises to the top.the top.  As the cooler ware sinks it heats up and movesAs the cooler ware sinks it heats up and moves back to the top.back to the top.  There is a reversible process of hot and warmThere is a reversible process of hot and warm water. The water being heated up and thewater. The water being heated up and the warmer water sinks in a continuouslywarmer water sinks in a continuously movement .movement . How it was happen?How it was happen?
  • 14. What is convection?What is convection?  is the transfer ofis the transfer of heat by theheat by the motion of liquidsmotion of liquids and gases.and gases.
  • 15. What is radiation?What is radiation?  is heat transfer by electromagneticis heat transfer by electromagnetic waves.waves. Is heat transfer that travels throughIs heat transfer that travels through empty spaceempty space It does not require a medium
  • 16.  The heat comingThe heat coming from the sunfrom the sun emitted by theemitted by the boy, that feels himboy, that feels him warm.warm.  ElectromagneticElectromagnetic radiation giveradiation give heats to the bodyheats to the body of the Earth.of the Earth. Sun the heat coming from the sun give us a temperature or energy negligible by the air resistance.
  • 17. How will radiation method explain theHow will radiation method explain the picture?picture? Branches preheated by convection and radiation Brush preheated by radiation Log preheated by conduction/radiation Duff preheated by conduction/radiation Tree trunk preheated by radiation
  • 18.  Is the transfer of heatIs the transfer of heat through directthrough direct contact with thecontact with the material.material.  is the transfer of heatis the transfer of heat by the motion ofby the motion of liquids and gases.liquids and gases.  Is the transfer of heatIs the transfer of heat through emptythrough empty space.space. Radiation Conduction Convection
  • 19. Convection MethodConvection Method  Cooler temperature is denser than theCooler temperature is denser than the warm one, that is why it cooler atwarm one, that is why it cooler at night than in day timenight than in day time
  • 20.  In ¼ sheet of paper explain briefly andIn ¼ sheet of paper explain briefly and accurately the following: (5 points each)accurately the following: (5 points each)  1. Explain the water cycle and relate it in1. Explain the water cycle and relate it in heat transfer.heat transfer.  2. How energy is transfer in the process of:2. How energy is transfer in the process of:  A. ConductionA. Conduction  B. ConvectionB. Convection  C. RadiationC. Radiation EssayEssay
  • 21.  Define thermal conductivity.Define thermal conductivity.  List some thermal conductivities ofList some thermal conductivities of different materials.different materials.  What are the different equations to getWhat are the different equations to get radiation rate?radiation rate? AssignmentAssignment
  • 22. PREPARED BY:PREPARED BY: KAREN A. ADELANKAREN A. ADELAN BSE 3BSE 3  Thank you!!!!!MabuhayThank you!!!!!Mabuhay