Thermodynamics Forum

Post thread

Threads

High School Energy of Ideal Gas: Internal E & Kinetic E

  • Bhope69199
  • · Replies 5 ·
Replies
5

Graduate How can an adiabatic process decrease internal energy without transferring heat?

  • Ehden
  • · Replies 10 ·
Replies
10

Undergrad Physics of Heat Transfer in Glass Windows

  • Sherwood Botsford
  • · Replies 6 ·
Replies
6

High School How to measure the area of a Clapeyron diagram (pV diagram)?

  • TheAnt
  • · Replies 7 ·
Replies
7

Undergrad Why 1 liter * atm = 101.33 joules ?

  • Tahira Firdous
  • · Replies 6 ·
Replies
6

Undergrad Partition Function and Degeneracy

  • stevendaryl
  • · Replies 2 ·
Replies
2

Undergrad Is Hot Ice Possible Under High Pressure?

  • FallenApple
  • · Replies 4 ·
Replies
4

Undergrad Heat transfer by radiation and Temperature difference

  • FQVBSina_Jesse
  • · Replies 2 ·
Replies
2

Undergrad Understanding the Ideal Gas Assumption: Time of Collision Negligibility

  • The28
  • · Replies 4 ·
Replies
4

Graduate Evaluating partition function (stuck for weeks)

  • dumbperson
  • · Replies 3 ·
Replies
3

Undergrad What will happen in this case -- 2 chambers connected by a tube....

  • pranj5
  • · Replies 7 ·
Replies
7

Undergrad Calculation of heat loss by Degree C/minute.

  • aiop
  • · Replies 1 ·
Replies
1

Undergrad I need a bit of direction....thermodynamics & kilns

  • Wilson Bailey
  • · Replies 2 ·
Replies
2

Graduate Dimensions of interaction/radiation length

  • Kara386
  • · Replies 1 ·
Replies
1

Undergrad Thermal coefficient of expansion in gases

  • Vittorio
  • · Replies 9 ·
Replies
9

Graduate Is enthelpy change during isothermal process zero?

  • RUSI16
  • · Replies 2 ·
Replies
2

Graduate Confusion: Internal energy u vs enthelpy h

  • Imolopa
  • · Replies 7 ·
Replies
7

Undergrad Isobaric vs. isothermal expansion

  • Jaggis
  • · Replies 11 ·
Replies
11

Graduate What Happens Thermally When High-Pressure Air Bursts into a Dead-Ended Tube?

  • Hiarum
  • · Replies 1 ·
Replies
1

Undergrad How does density affect thermal conductivity?

  • aniruddha
  • · Replies 3 ·
Replies
3

Undergrad What is the difference between Otto engine and Carnot engine

  • ChloeYip
  • · Replies 2 ·
Replies
2

High School Can You Calculate Heat Conductivity with These Simple Variables?

  • TheAnt
  • · Replies 6 ·
Replies
6

Graduate First Vs. Second law of thermodynamics

  • big_bounce
  • · Replies 22 ·
Replies
22

High School Kepler's first law for any body

  • Vishaaaal
  • · Replies 9 ·
Replies
9

Graduate Thermodynamics: questions about vacuum engines

  • pkv
  • · Replies 7 ·
Replies
7

Undergrad Question about Jet engines (thermodynamics)

  • Maximilian Popelier
  • · Replies 31 ·
2
Replies
31

High School Is There a Connection Between Thermostats and Shower Water Temperature?

  • Althepump
  • · Replies 38 ·
2
Replies
38

Graduate Billiard ball gas and extensive entropy

  • Rap
  • · Replies 1 ·
Replies
1

High School Can an object ever fully reach ambient temperature in an isolated environment?

  • thetexan
  • · Replies 5 ·
Replies
5

Graduate Proof that entropy can never decrease

  • Higgsono
  • · Replies 4 ·
Replies
4

Graduate Proving thermodynamic relationship

  • goggles31
  • · Replies 4 ·
Replies
4

Graduate Thermodynamics: (Entropy) Multiplicity using hypercube

  • MalveAC
  • · Replies 1 ·
Replies
1

High School What Makes Ice Skating Possible: Is It Just Pressure or Something More?

  • Mayan Fung
  • · Replies 7 ·
Replies
7

Undergrad Temperature of Plexiglass due to laser strike

  • MelissaM
  • · Replies 24 ·
Replies
24

Undergrad How to determine temperature of filament?

  • HHeCNeOSiFe
  • · Replies 1 ·
Replies
1

Undergrad Gibbs Free Energy and Enthelpy

  • Mayan Fung
  • · Replies 11 ·
Replies
11

Graduate What values of n make this system a proper thermodynamic system?

  • MathematicalPhysicist
  • · Replies 4 ·
Replies
4

Undergrad Temperature of two bodies in the same room and under the Sun

  • fog37
  • · Replies 10 ·
Replies
10

Graduate Specific heat ratio of gas mixture

  • colinjohnstoe
  • · Replies 6 ·
Replies
6

Undergrad Undergraduate Student Seeking Answers on Sustaining Entropy

  • TheoPan
  • · Replies 4 ·
Replies
4

Graduate Statistical definition of temperature

  • WrongMan
  • · Replies 4 ·
Replies
4

High School Could a good conductor be heated past the temperature of....

  • AMan24
  • · Replies 2 ·
Replies
2

Undergrad Air friction and speed & temperature

  • victorhugo
  • · Replies 6 ·
Replies
6

Undergrad About Second Law of Thermodynamics

  • fxdung
  • · Replies 3 ·
Replies
3

Undergrad For Dummies Derivation of Radiation Pressure>Energy Density?

  • tade
  • · Replies 9 ·
Replies
9

Undergrad Calculating LED Efficiency with Radiant Power and Temperature

  • mathewmical
  • · Replies 7 ·
Replies
7

Graduate Isothermal Expansion of Supersonic Flow

  • Geometrian
  • · Replies 1 ·
Replies
1

Undergrad Is it Reasonable to Assume (3/2)*P*V as the Internal Energy of a Real Gas?

  • Matthew Marko
  • · Replies 5 ·
Replies
5

High School Trivial Question - rate of heat loss from hot drink

  • Francescos123
  • · Replies 13 ·
Replies
13

Undergrad Archimedes and Maritime Engineering

  • Gersty
  • · Replies 2 ·
Replies
2

Undergrad Is the definition of a phase arbitrary?

  • Sebi123
  • · Replies 15 ·
Replies
15

Graduate Is entropy real or just a construct?

  • ramzerimar
  • · Replies 6 ·
Replies
6

Graduate Maximum of entropy and Lagrange multiplier

  • Nico045
  • · Replies 1 ·
Replies
1

Undergrad Which Side of the Carnot Cycle Diagram Represents Key Processes?

  • Faiq
  • · Replies 4 ·
Replies
4

Graduate Why does the entropy increase in free expansion of an ideal gas?

  • Mayan Fung
  • · Replies 8 ·
Replies
8

Graduate Entropy and the Second Law of Thermodynamics in Isolated Systems

  • Joe Cool
  • · Replies 3 ·
Replies
3

Undergrad Relation between energy levels and volume.

  • weezy
  • · Replies 6 ·
Replies
6

Graduate Solving for temperature and volume of Dietrici Equation

  • Riverbirdy
  • · Replies 1 ·
Replies
1

Undergrad Parts per million of vapor above a liquor in a sealed jar

  • costanzolab
  • · Replies 13 ·
Replies
13

Undergrad Black body, angle of incidence

  • Incand
  • · Replies 3 ·
Replies
3

Graduate Heat convection in liquid nitrogen

  • OrangeYogi
  • · Replies 3 ·
Replies
3

Undergrad Is it possible to read higher temperatures than mediums?

  • Thermo
  • · Replies 10 ·
Replies
10

Undergrad Beta radiation and Alpha radiation

  • m_p_w
  • · Replies 7 ·
Replies
7

Graduate Entropy as a measure of energy gradient?

  • weezy
  • · Replies 1 ·
Replies
1

Graduate Calculating frictional heat from rotating mass

  • Condiec391
  • · Replies 1 ·
Replies
1

High School Why Does PΔV = nRΔT Hold True in Some Isobaric Processes but Not Others?

  • dUDEonAfORUM
  • · Replies 1 ·
Replies
1

Undergrad Non-reversibility of '2nd Law' processes

  • kith
  • · Replies 3 ·
Replies
3

Undergrad Entropy unavailable to do work

  • Raddy13
  • · Replies 2 ·
Replies
2

Graduate Thought Experiment on the Second Law of Thermodynamics

  • MikeW
  • · Replies 43 ·
2
Replies
43

Undergrad Boltzmann Distribution Derivation Question

  • kidsasd987
  • · Replies 4 ·
Replies
4

High School How can a permeable piston be adiabatic?

  • arpon
  • · Replies 4 ·
Replies
4

Graduate Fluid Boundary layer in presence of a postive heat gradient

  • Quentin_C
  • · Replies 1 ·
Replies
1

High School Your Opinion On This Solar Cooker

  • Muhammad Syahril
  • · Replies 5 ·
Replies
5

Undergrad Amateur physics here, how is entropy linked to the universe?

  • paisley666
  • · Replies 2 ·
Replies
2

Undergrad Can internal energy be calculated from equation of state?

  • arpon
  • · Replies 2 ·
Replies
2

Undergrad Plane's Coanda's effect and jet engines sucking in air

  • TheWonderer1
  • · Replies 3 ·
Replies
3

Undergrad Calculate Heat Transfer Rate for Copper Coil

  • evcarbo
  • · Replies 2 ·
Replies
2

Graduate Intensive vs Extensive Expressions

  • saybrook1
  • · Replies 3 ·
Replies
3

Graduate Newton's third law is frame independent?

  • parshyaa
  • · Replies 9 ·
Replies
9

Undergrad Carbureted Engines: Altitude Effects Explained

  • Walt Puryear
  • · Replies 6 ·
Replies
6

Graduate Seeking formal derivation for common thermo equation

  • saybrook1
  • · Replies 4 ·
Replies
4

Undergrad Gas Pressure vs Temperature moved between containers?

  • avg joe
  • · Replies 5 ·
Replies
5

High School What Are the Physical Constituents of Heat?

  • Ali Abbas
  • · Replies 13 ·
Replies
13

High School Optimizing Room Temperature: Impact of Thermal Paste on Notebook Heat

  • Ombilic
  • · Replies 14 ·
Replies
14

High School Why wave with lower frequency produce heat?

  • Clara Chung
  • · Replies 3 ·
Replies
3

Graduate Calculating number of microstates to find entropy

  • UnderLaplacian
  • · Replies 4 ·
Replies
4

Graduate Steps in proof for Eotvos' law

  • georg gill
  • · Replies 4 ·
Replies
4

Undergrad Does Newton's or Galileo's first law depend on gravity?

  • parshyaa
  • · Replies 4 ·
Replies
4

High School Has the Mystery of the Mpemba Effect Been Solved?

  • Faiq
  • · Replies 7 ·
Replies
7

Undergrad In which case coffee will cool faster?

  • Ravi Singh choudhary
  • · Replies 1 ·
Replies
1

Undergrad What's the relation with Gravity & Laws of Thermodynamics

  • physicsBabyMetal
  • · Replies 3 ·
Replies
3

Graduate Clarification "Force Carrier" and "Radiation" Gravity and EM

  • Albertgauss
  • · Replies 7 ·
Replies
7

Undergrad Confusions about thermodynamics

  • Faiq
  • · Replies 6 ·
Replies
6

Graduate Connection between entropy and total pressure

  • obad
  • · Replies 1 ·
Replies
1

Graduate Thermal radiation, emissivity and Kirchhoff

  • Carlos de Meo
  • · Replies 4 ·
Replies
4

Graduate How to derive this heat input equation?

  • leo.
  • · Replies 6 ·
Replies
6

Graduate Newton's Second Law Integral Form

  • member 428835
  • · Replies 2 ·
Replies
2

Undergrad 100th anniversary of the Sackur–Tetrode equation

  • fresh_42
  • · Replies 1 ·
Replies
1

Graduate If something moves fast it gains temperature?

  • physics user1
  • · Replies 1 ·
Replies
1

Undergrad Can C60 Fullerenes Create a Freeze Ray?

  • Samson4
  • · Replies 25 ·
Replies
25