Thermodynamics Forum

Post thread

Threads

Undergrad Confusion about the interpretation of specific volume

  • EddiePhys
  • · Replies 18 ·
Replies
18

Undergrad Question: To use or not to use? (heating bricks for energy storage)

  • MajorJinxs
  • · Replies 20 ·
Replies
20

High School Shape & Dimensions of Containers: Impact on the Maxwell Boltzmann Distribution

  • sol47739
  • · Replies 1 ·
Replies
1

High School The collision of molecules during thermal expansion

  • LHeilua6000
  • · Replies 4 ·
Replies
4

Undergrad Reversible / Irreversible Fundamental Equation

  • aimLow
  • · Replies 3 ·
Replies
3

Undergrad Temperature change due to mixing liquids, heating and heat losses

  • tjosan
  • · Replies 8 ·
Replies
8

High School Understanding thermodynamic equilibrium

  • phoenix95
  • · Replies 3 ·
Replies
3

Graduate Thermodynamics Derivative Reduction Problems

  • AJSayad
  • · Replies 2 ·
Replies
2

High School Can we use molecular speed of gas formula also for the air?

  • Lotto
  • · Replies 3 ·
Replies
3

Undergrad Is RMS speed dependent on pressure?

  • phymath7
  • · Replies 5 ·
Replies
5

Graduate How was the Birch-Murnaghan equation derived for high pressure volume behavior?

  • Sylvester
  • · Replies 3 ·
Replies
3

Graduate Radiation Safety: Understanding Exposure and Risk

  • spark90
  • · Replies 49 ·
2
Replies
49

Undergrad Is this transformation irreversible?

  • Ahmed1029
  • · Replies 1 ·
Replies
1

Undergrad Understanding Heat Capacity and Work: Clarifying Misconceptions

  • Ahmed1029
  • · Replies 1 ·
Replies
1

Undergrad Extremely strange consequence of the speed of heat value

  • fluidistic
  • · Replies 19 ·
Replies
19

Graduate Free expansion of an ideal gas and changes in entropy

  • Ahmed1029
  • · Replies 2 ·
Replies
2

High School The Physics of blowing a puff of air

  • jhan
  • · Replies 3 ·
Replies
3

Undergrad How Is the Partition Function of BaTiO3 Calculated in a Cubic Lattice?

  • George444fg
  • · Replies 1 ·
Replies
1

High School Can Metal Pins Increase Heat Transfer in Concrete Walls?

  • AnonLinear
  • · Replies 18 ·
Replies
18

Undergrad Yet again about (real) gas compression

  • FranzS
  • · Replies 20 ·
Replies
20

Undergrad Heating gasses in space -- How could we make a greenhouse in space?

  • jakehussey
  • · Replies 5 ·
Replies
5

High School How Does Entropy Relate to the Arrow of Time in the Early Universe?

  • MatthewKM
  • · Replies 14 ·
Replies
14

Graduate Energy hypersurface in a phase space (statistical physics)

  • daniel444
  • · Replies 1 ·
Replies
1

Undergrad Exploring Work Done in Quasi-Static & Non Quasi-Static Expansion

  • happyparticle
  • · Replies 2 ·
Replies
2

High School Question regarding Heat Transfer in Carnot Engine

  • Harikesh_33
  • · Replies 1 ·
Replies
1

Undergrad Boltzmann Entropy Formula – Derivation

  • Dario56
  • · Replies 18 ·
Replies
18

Graduate Resolve Discrepancies in Boltzmann's Equilibrium Theory

  • Bill Dreiss
  • · Replies 7 ·
Replies
7

High School Can High Temperature Exist in Intense Gravitational Fields?

  • shivakumar
  • · Replies 2 ·
Replies
2

Undergrad Physics of paper absorbing Water -- Doesn't this decrease Entropy?

  • casparov
  • · Replies 1 ·
Replies
1

Undergrad Problem understanding entropy (two different definitions?)

  • James Brown
  • · Replies 2 ·
Replies
2

Undergrad Expelling warm air from voids - what is left afterwards?

  • EddieP
  • · Replies 4 ·
Replies
4

Undergrad Water converted to plasma -- how does this work?

  • tarakmytar
  • · Replies 6 ·
Replies
6

High School Question regarding using the expression $dE_{int}$=nC_vdT$

  • Harikesh_33
  • · Replies 3 ·
Replies
3

High School Does gravity defy the 2nd Law?

  • Gerinski
  • · Replies 33 ·
2
Replies
33

Undergrad Are Boltzman's statistics compatible with a deterministic universe?

  • Physicist248
  • · Replies 49 ·
2
Replies
49

High School How accurate is the definition of heat?

  • mech-eng
  • · Replies 15 ·
Replies
15

Undergrad Smoke Alarms and radiation from them

  • Happy Days2021
  • · Replies 45 ·
2
Replies
45

Graduate Superconductivity at "ambient temperature"?

  • Wrichik Basu
  • · Replies 14 ·
Replies
14

High School How are thermodynamic laws related to one another?

  • mech-eng
  • · Replies 4 ·
Replies
4

Undergrad Why Doesn't the McLaren Oil in Water Engine Work?

  • whizzdoms1973
  • · Replies 2 ·
Replies
2

Undergrad Heat diffusion through grain mash to reach equilibrium

  • majorjc
  • · Replies 3 ·
Replies
3

Undergrad Gas compression - does it double the energy?

  • RichMacf
  • · Replies 6 ·
Replies
6

Undergrad Is the hot weather causing bursting airbeams when camping?

  • fella1973
  • · Replies 4 ·
Replies
4

Undergrad What Causes the Darkening of Metal Bucket Color at High Temperatures?

  • Awwtumn
  • · Replies 35 ·
2
Replies
35

High School Loschmidt's paradox and free gas expansion

  • bobdavis
  • · Replies 5 ·
Replies
5

High School Question about the definition of a partial derivative

  • lerus
  • · Replies 13 ·
Replies
13

Undergrad How do we determine complex state equations for substances?

  • mech-eng
  • · Replies 1 ·
Replies
1

Undergrad Regarding when to consider both laminar and turbulent flow

  • FebinThomas
  • · Replies 7 ·
Replies
7

Undergrad Water bath and water vapor + air mixture in a closed system

  • MacIntoShiba
  • · Replies 2 ·
Replies
2

Graduate Displaying the dimensionless Radiation Transport Equation

  • BigBoBy17
  • · Replies 1 ·
Replies
1

Graduate Will air turbulence in flexible airduct causes water condensation?

  • LMC
  • · Replies 8 ·
Replies
8

Undergrad Thermodynamic constant -- misunderstanding

  • mohamed_a
  • · Replies 7 ·
Replies
7

Undergrad What is the equation for calculating average gas flow in a compressed syringe?

  • InterestingStuff
  • · Replies 9 ·
Replies
9

Undergrad Minimization of thermodynamic equilibrium

  • Simobartz
  • · Replies 3 ·
Replies
3

High School How to use Refrigerators/AC in efficient manner so that it remains cool inside?

  • blake09
  • · Replies 29 ·
Replies
29

Undergrad How Can Internal Energy of the Canonical Ensemble Change (Fluctuate)?

  • Dario56
  • · Replies 15 ·
Replies
15

Undergrad Determining Heat of Fusion for Ice: Calorimetry experiment

  • pann2310
  • · Replies 1 ·
Replies
1

Undergrad Derivation of the Canonical Ensemble

  • Dario56
  • · Replies 3 ·
Replies
3

Undergrad Is this proof of cp - cv correct

  • planck999
  • · Replies 2 ·
Replies
2

High School 1.5 cubic meters ice cube melting

  • cetko
  • · Replies 1 ·
Replies
1

High School Confusion when considering pV=nRT in Two Balloon experiment

  • phantomvommand
  • · Replies 7 ·
Replies
7

Undergrad Blackbody radiation and the cosmic microwave background

  • PainterGuy
  • · Replies 29 ·
Replies
29

Undergrad Can adding a second peltier cooler help lower temperatures even further?

  • fsonnichsen
  • · Replies 4 ·
Replies
4

Undergrad Why does hot air have low pressure? (wind formation)

  • jaumzaum
  • · Replies 16 ·
Replies
16

Undergrad Request for an example of minimum energy principle (thermodynamics)

  • Simobartz
  • · Replies 2 ·
Replies
2

Undergrad Relative humidity question (cooling the air in a room)

  • studentLearn
  • · Replies 3 ·
Replies
3

Undergrad Problem regarding understanding entropy

  • mohamed_a
  • · Replies 3 ·
Replies
3

High School Can We Predict Fire Movement?

  • MevsEinstein
  • · Replies 11 ·
Replies
11

Undergrad How to Operate a Swamp Cooler in Phoenix in June

  • rude man
  • · Replies 14 ·
Replies
14

High School Ideal gas formula not working?

  • ContrapuntoBrowniano
  • · Replies 14 ·
Replies
14

Undergrad Validity of the Boltzmann Distribution

  • SteveMaryland
  • · Replies 17 ·
Replies
17

Undergrad Effect of attractive interactions on Gibbs free energy

  • wnvl2
  • · Replies 3 ·
Replies
3

Undergrad Does pressure affect the thermal breakdown of water?

  • some bloke
  • · Replies 3 ·
Replies
3

Undergrad Can Self-Running Heat Pumps Revolutionize Home Efficiency?

  • some bloke
  • · Replies 7 ·
Replies
7

Undergrad Calculating the thermal coefficient between the insulated interior of a telescope instrument package and the cold ambient air outside

  • Erwinux
  • · Replies 2 ·
Replies
2

Undergrad How Does Electron Spin Affect the Partition Function in Saha's Equation?

  • Sebas4
  • · Replies 1 ·
Replies
1

Graduate Experimental Studies of the Internal Energy of a real fluid

  • Matthew Marko
  • · Replies 7 ·
Replies
7

Undergrad Experimenting with a vacuum pump

  • DDesulgon
  • · Replies 10 ·
Replies
10

Undergrad Questions about a System in Equilibrium

  • Kashmir
  • · Replies 4 ·
Replies
4

Undergrad Is it cooler hanging ice packs from a fishnet bag or in a thermal lunch-bag?

  • DynV
  • · Replies 3 ·
Replies
3

Undergrad Difference between the thermal and mechanical efficiency

  • Poorneshwar 2
  • · Replies 3 ·
Replies
3

Undergrad Work done by a gas in a heat engine which compresses a spring

  • Poorneshwar 2
  • · Replies 14 ·
Replies
14

High School Heat Pumps And The Peltier Effect

  • Bill McC
  • · Replies 6 ·
Replies
6

Undergrad Energy flux direction in a conducting wire?

  • fluidistic
  • · Replies 236 ·
8
Replies
236

High School Does a full fridge cost less money to run than an empty fridge?

  • chrishgv
  • · Replies 14 ·
Replies
14

Graduate Definition of entropy for indistinguishable and distinguishable particles

  • Philip Koeck
  • · Replies 22 ·
Replies
22

Undergrad Vapour pressure/solubility of small and big grain surfaces and corners

  • snorkack
  • · Replies 5 ·
Replies
5

Graduate Cavitation: radius of a bubble for compressible flow

  • JD_PM
  • · Replies 1 ·
Replies
1

Undergrad What is the Role of Convective Heat Transfer in Cavitation of Cryogenic Fluids?

  • JD_PM
  • · Replies 7 ·
Replies
7

High School Question about Thermophotovoltaics (thermal heat engine)

  • Devin-M
  • · Replies 17 ·
Replies
17

Undergrad Microstates of an atom in an energy state

  • Sebas4
  • · Replies 1 ·
Replies
1

Undergrad Reading course in statistical physics

  • Philip Koeck
  • · Replies 32 ·
2
Replies
32

Undergrad Understanding the Clausius-Clapeyron Formula: V_{l} and V_{g}

  • Sebas4
  • · Replies 3 ·
Replies
3

Graduate Derivation of Statistical Mechanics

  • Nullstein
  • · Replies 78 ·
3
Replies
78

Undergrad The meaning and consequences of 'False Pressure'

  • sophiecentaur
  • · Replies 6 ·
Replies
6

Undergrad How is target superheat table generated for R22 HVAC system

  • jimboz
  • · Replies 2 ·
Replies
2

High School Simple liquid/gas law question and liquid transfer query

  • DonJuane
  • · Replies 9 ·
Replies
9

Undergrad Magnetic fields are exceptions to the second law of thermodynamics?

  • shvitzed
  • · Replies 2 ·
Replies
2

Graduate How Does Quantum Theory Provide a Measure for Microstates in Phase Space?

  • Kashmir
  • · Replies 7 ·
Replies
7

Undergrad Compressed gas energy storage formula

  • Petersenwill36
  • · Replies 4 ·
Replies
4