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Graduate Heat & Physics Q: Is There a Cosmic Temp Limit?

  • ekkotrakker
  • · Replies 3 ·
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3

Graduate Amount of Propane Required to Melt 1L Aluminum

  • Voltux
  • · Replies 3 ·
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3

Undergrad Entropy - can only calculate entropy only at constant temperature?

  • Outrageous
  • · Replies 6 ·
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6

Undergrad Room heat loss to open door? - Program Idea

  • mkjt88
  • · Replies 3 ·
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3

Graduate Information - Energy equivalence

  • Routaran
  • · Replies 4 ·
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4

Undergrad Internal energy equals to average kinectic energy ?

  • Outrageous
  • · Replies 2 ·
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2

Undergrad Entropy & Free Energy Change: Understanding at Equilibrium

  • springwave
  • · Replies 8 ·
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8

Undergrad Expanding a gas through a valve or through a turbine

  • charlie95
  • · Replies 4 ·
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4

Graduate Hawking radiation , black hole size

  • Crazymechanic
  • · Replies 15 ·
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15

High School What temperature does moving water freeze at?

  • robphippen
  • · Replies 5 ·
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5

Undergrad Entropy is a measure of energy availiable for work ?

  • Rap
  • · Replies 47 ·
2
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47

Graduate MSD for Non-Ideal Gas: Derivation & Analysis

  • Mandelbroth
  • · Replies 5 ·
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5

Undergrad Radiation Detection / Spectroscopy Project

  • Sato
  • · Replies 3 ·
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3

Graduate Newton's third law in terms of inertial position vectors for n-body system

  • ato
  • · Replies 10 ·
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10

Undergrad How is energy of an isolated system defined ?

  • apratim.ankur
  • · Replies 1 ·
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1

Undergrad Ionization Blackout: Solutions for Rocketeers

  • Tommy1995
  • · Replies 2 ·
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2

Undergrad Is making photon Engine possible ? :A different thought to power space craft

  • ParamTv
  • · Replies 9 ·
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9

Undergrad Why do the temperature drop if we take down the pressure?

  • charlie95
  • · Replies 8 ·
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8

Undergrad Propane Combustion (btu/ft^3) how fast it'll move a piston

  • ohspyro89
  • · Replies 1 ·
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1

High School Understanding Impulsive Occurrences in Newton's Second Law

  • elnaz pishgoo
  • · Replies 2 ·
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2

Graduate Boltzmann Entropy for micro state or macro state?

  • bikashkanungo
  • · Replies 1 ·
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1

Graduate Calculating temperature increase in a building as a result of solar radiation

  • OdanUrr
  • · Replies 9 ·
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9

High School Questions on work done and Newton's third law

  • Misr
  • · Replies 3 ·
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3

High School Will Mixing Ideal Gases at the Same Temperature Cause a Temperature Change?

  • Outrageous
  • · Replies 2 ·
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2

Undergrad Fuel consumption increases during winter?

  • cosmic dust
  • · Replies 19 ·
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19

Graduate Total Work out of Three Bodies (Thermodynamics)

  • Mathoholic!
  • · Replies 3 ·
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3

Undergrad Is There Any Motion at Absolute Zero?

  • Natko
  • · Replies 3 ·
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3

Undergrad The maximum theoretical efficiency of a heat engine

  • mrspeedybob
  • · Replies 8 ·
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8

Graduate Space generators by temperature difference?

  • GreenAce92
  • · Replies 5 ·
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5

High School What happens to the temperature of an object in vacuum?

  • petterg
  • · Replies 5 ·
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5

Graduate Entropy And Energy Representation

  • hurz
  • · Replies 2 ·
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2

Undergrad Please help me design a Li-Po powered nichrome heating element (400°F)

  • kought
  • · Replies 8 ·
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8

Undergrad What is a reversible cyclic process?

  • harjyot
  • · Replies 7 ·
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7

Undergrad Thermodynamics of a adiabatic system with degrees of freedom

  • heyhey1233
  • · Replies 1 ·
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1

Undergrad Explaination of thermocouple chart ?

  • mkbh_10
  • · Replies 1 ·
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1

Undergrad How to Calculate Thermal Expansion in a Rod of Length 'l'?

  • Puneeth423
  • · Replies 5 ·
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5

Undergrad Why does a flamethrower not explode?

  • lokifenrir96
  • · Replies 2 ·
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2

Graduate Thermodynamic energy analysis of nozzle vs. throttling valve/capillary

  • mohnishp
  • · Replies 1 ·
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1

Graduate Isentropic Isolated Systems: Understanding the Entropy of the Universe

  • vinven7
  • · Replies 27 ·
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27

Graduate What does zero partition function physically mean?

  • cryptist
  • · Replies 8 ·
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8

Undergrad Need Help Finding Data Concerning the Pyrolysis and Smouldering of Materials

  • Prince Rilian
  • · Replies 2 ·
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2

Undergrad Temperature Concept: Emperical vs Thermodynamic

  • M. next
  • · Replies 3 ·
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3

High School Understanding Entropy: What Is It?

  • safari
  • · Replies 1 ·
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1

Graduate Is this what happens to heat physically when moving from HOT to LOW

  • astralfx
  • · Replies 3 ·
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3

Graduate What is the true nature of entropy?

  • mishrashubham
  • · Replies 42 ·
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Graduate Is increase in entropy synonymous with the flow of time?

  • marksesl
  • · Replies 31 ·
2
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31

High School Have I found the world's first endless source of energy?

  • Femme_physics
  • · Replies 12 ·
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12

Graduate How to calculate the boil-off rate of LO2?

  • steves1080
  • · Replies 2 ·
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2

High School Can ancient calendars be considered engineering or physics inventions?

  • kaleidoscope
  • · Replies 3 ·
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3

Undergrad What is the physics behind the functioning of thermocouples?

  • krackers
  • · Replies 2 ·
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2

Undergrad Volume of 1 mole of Gas at STP

  • JSGandora
  • · Replies 7 ·
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7

Undergrad Where does the Energy that reaches the Earth Go?

  • spartan711
  • · Replies 7 ·
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7

Undergrad Origin of IR radiation in living things ?

  • Steve314
  • · Replies 1 ·
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1

Undergrad Easy problem with heat transfer from surrounding air to water tank

  • JonasTj
  • · Replies 2 ·
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2

Graduate How can we measure entropy using experiments.

  • raopeng
  • · Replies 2 ·
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2

Graduate Deriving average surface temperature of a blackbody sphere?

  • Graeme M
  • · Replies 17 ·
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17

Undergrad What Makes Iron Effective at Blocking Radiation Compared to Lead?

  • znc03
  • · Replies 1 ·
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1

Graduate Which should I use to prove this?

  • Outrageous
  • · Replies 9 ·
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9

Undergrad Buckling: Formula to relate Temperature increase with axial Compression

  • socrates_1
  • · Replies 2 ·
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2

Undergrad Can Energy Conversion Ever Reach 100% Efficiency?

  • darksoda
  • · Replies 11 ·
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11

Undergrad Joule free adiabatic expansion dT=0?

  • Outrageous
  • · Replies 4 ·
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4

Undergrad International reference triple point

  • Outrageous
  • · Replies 3 ·
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3

Undergrad What is the entropy if you have a spray can with 30psi?

  • nosson77
  • · Replies 1 ·
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1

Undergrad If you lie on the ground at night with no cover, you get cold rather

  • disneychannel
  • · Replies 1 ·
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1

Graduate Prove expansibility / isothermal compressibility

  • Outrageous
  • · Replies 2 ·
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2

Graduate Ideal Gase Rigid Container Experiment

  • DabaDuBa
  • · Replies 3 ·
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3

Undergrad What Does Volume V Represent in Thermodynamics?

  • berra
  • · Replies 4 ·
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4

Graduate Adiabatic gas Compression of Piston after Critical Point

  • MWRY
  • · Replies 1 ·
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1

Undergrad Why does the atmosphere get colder with elevation?

  • Hetware
  • · Replies 36 ·
2
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36

Graduate Thermodynamic Derivation of Wien's Law?

  • Collisionman
  • · Replies 3 ·
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3

Graduate Helmholtz free energy related query.

  • A Dhingra
  • · Replies 26 ·
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26

Undergrad Definition of first law of thermodynamics

  • Outrageous
  • · Replies 22 ·
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22

High School Mixing water at different temperatures

  • MoniMini
  • · Replies 3 ·
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3

Graduate Recover energy from unique temperature

  • Gh778
  • · Replies 8 ·
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8

Undergrad Why exactly Is Iron cooler than it's environment at 20°c?

  • Jarfi
  • · Replies 24 ·
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24

Undergrad Equation of State: Understanding f(P,v,T)=0

  • Outrageous
  • · Replies 14 ·
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14

Graduate Help understanding thermodynamics/BTUs

  • mike3
  • · Replies 8 ·
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8

Undergrad Partial differential of U at constant temperature?

  • Outrageous
  • · Replies 10 ·
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10

Undergrad Understanding P in Van der Waals Gas Equation

  • Outrageous
  • · Replies 9 ·
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9

Graduate Understanding Van der Waals P-V Graph and the Maxwell Equal Area Rule

  • Outrageous
  • · Replies 3 ·
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3

Undergrad Thermodynamics example in industry

  • Outrageous
  • · Replies 10 ·
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10

Undergrad Does Temperature Equalize Between Iron and Wood in Thermal Equilibrium?

  • Outrageous
  • · Replies 11 ·
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11

Undergrad How to get critical temperature from experiment?

  • Outrageous
  • · Replies 6 ·
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6

Graduate How to quantify a color's effect on heat transfer.

  • Indychus
  • · Replies 9 ·
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9

Graduate Expansivity against temperature graph

  • Outrageous
  • · Replies 1 ·
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1

Graduate Maximizing heat absorption through Radiation

  • D. Allen
  • · Replies 10 ·
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10

Graduate Thermodynamics-Gibbs free energy: what can we actually measure in the lab?

  • bzz77
  • · Replies 17 ·
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17

Undergrad How order and disorder defined for entropy?

  • GME
  • · Replies 2 ·
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2

Graduate Finding Temperature from RGB Value | Using Wien's Law for Color Determination

  • Ashiataka
  • · Replies 10 ·
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10

Undergrad Entropy: Heat addition to surrounding.

  • afpskierx
  • · Replies 1 ·
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1

Graduate Did Carnot use caloric theory .

  • Hetware
  • · Replies 3 ·
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3

Graduate Thermodynamic - water/ice piston help

  • aiyoshi
  • · Replies 1 ·
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1

Graduate Why did Feynman use the incorrect version of the ideal gas law in eq. 45.13?

  • Hetware
  • · Replies 1 ·
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1

Undergrad Calculate change in temperature

  • kaushik939
  • · Replies 3 ·
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3

Graduate Question about the fundamental equation of thermodynamics

  • Tosh5457
  • · Replies 14 ·
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14

Undergrad Maximum temperature under radiation

  • abbasranjbar
  • · Replies 4 ·
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4

High School What Makes Aluminium an Effective Thermal Radiation Shield?

  • sriram123
  • · Replies 4 ·
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4

Undergrad Thermodynamics: 2 heatsources together and a heatsink

  • nicklasaau
  • · Replies 1 ·
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1

High School Newton's Third Law Explanation

  • BrainSalad
  • · Replies 4 ·
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4

Undergrad Counter intuitive melting temperatures

  • JizzaDaMan
  • · Replies 5 ·
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5