Thermodynamics Forum

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Graduate Pigments, EM radiation and quantum mechanics.

  • Ott Rovgeisha
  • · Replies 1 ·
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High School Unravelling the Mystery of the Spinning Top

  • MRzNone
  • · Replies 2 ·
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2

Undergrad How to solve for delta S surroundings at standard conditions

  • nlipshutz
  • · Replies 10 ·
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10

High School Trouble with Newton's Third Law of Motion

  • Daniel Wqw
  • · Replies 12 ·
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12

High School Heat-Unstable Materials: Causes and Examples

  • physior
  • · Replies 7 ·
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7

Graduate Oxygen Absorber at 200-350 deg F For Curing Photopolymer

  • EricM81
  • · Replies 3 ·
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3

Undergrad Calculations for cooling a volume of air

  • Christina H
  • · Replies 2 ·
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2

Undergrad Latent heat of fusion for water question

  • soronemus
  • · Replies 8 ·
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8

Undergrad Understanding Combustion Energy: Types, Distribution, and Details

  • physior
  • · Replies 7 ·
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7

Undergrad What Are the Best Methods for Harvesting Thermal Energy and Their Efficiency?

  • physior
  • · Replies 5 ·
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5

Graduate Understanding the Relationship between Entropy and Temperature

  • Yashbhatt
  • · Replies 15 ·
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15

Undergrad Why is the molar specific heat of carbon so different from the predicted value?

  • Suraj M
  • · Replies 9 ·
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9

Graduate Is Matter Just Frozen Radiation from the Big Bang?

  • brianhurren
  • · Replies 20 ·
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20

High School An amateur question on Radiation and Absorption of radiative energy

  • sina89
  • · Replies 17 ·
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17

Graduate Thermal energy intensity per unit volume

  • Hypatio
  • · Replies 2 ·
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2

Undergrad Newton's third law in relation to field forces

  • itchybrain
  • · Replies 2 ·
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2

Undergrad Black/white radiator vs white/black wall: radiation

  • Jones20
  • · Replies 3 ·
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3

Undergrad Do objects reflect light and emit radiation simultaneously?

  • eyad-996
  • · Replies 12 ·
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12

Undergrad Confused about the Carnot engine?

  • 21joanna12
  • · Replies 4 ·
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4

Graduate What is the effect of scaling down a heat exchanger?

  • JessEE92
  • · Replies 1 ·
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1

Graduate Mass flow rate for compressible flow

  • LoopInt
  • · Replies 2 ·
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2

Graduate Thermodynamics thought experiment

  • agoogler
  • · Replies 15 ·
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15

Graduate Is Carnot engine the only reversible engine?

  • kelvin490
  • · Replies 11 ·
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11

Graduate How to use the first law of thermodynamics for simple mechanical problems

  • agoogler
  • · Replies 8 ·
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8

High School Understanding the Constant Temperature of Phase Transitions

  • Tulatalu
  • · Replies 1 ·
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1

Undergrad Molar heat capacity at constant volume

  • LivvyS
  • · Replies 3 ·
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3

Undergrad How to Calculate Exhaust Flow Rates Using Known Variables?

  • Lavid2002
  • · Replies 1 ·
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1

Graduate What is the relationship between particle size and acoustic radiation force?

  • Radel
  • · Replies 1 ·
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1

Graduate Unsustainable DNA molecule when unfolded to be in a line

  • DaTario
  • · Replies 6 ·
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6

Graduate Heat Equation for Cylinder Wire Problem

  • member 428835
  • · Replies 34 ·
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Graduate G - Can Macroscopic Vibration Create Sensations of Heat on a Planar Surface?

  • Islam Hassan
  • · Replies 2 ·
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2

Undergrad Are "isentropic" and "adiabatic" same?

  • sherled
  • · Replies 7 ·
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7

High School Thermal Expansion of aluminium

  • newtonlovechild
  • · Replies 25 ·
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25

Undergrad Thermodynamics heat loss fridge

  • mrquestion123
  • · Replies 9 ·
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9

Graduate Which gas model to use for dry air and N2 at 300 bar

  • peterg07
  • · Replies 7 ·
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7

Graduate Why is there a factor 2 in entropy development

  • boddhisattva
  • · Replies 1 ·
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1

High School Newton's third law and a horse

  • oreo
  • · Replies 22 ·
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22

Graduate Thermodynamics: ideal gas chemical potential

  • Lordgraver
  • · Replies 4 ·
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4

Undergrad Settling the Debate: Air Compressors & Koi Ponds

  • AlanWF
  • · Replies 10 ·
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10

Graduate Modeling of moist-adiabatic temperature?

  • Aleksej
  • · Replies 2 ·
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2

Undergrad Pressure and temperature where volume is constant

  • Alevelman
  • · Replies 4 ·
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4

Graduate Deducind thermodynamics from Quantum Physics and S>k

  • Garrulo
  • · Replies 1 ·
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1

Graduate Thermodynamic temperature derivation

  • kelvin490
  • · Replies 2 ·
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2

Graduate Thermal conductivity and heat capacity

  • physiks
  • · Replies 6 ·
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6

Undergrad Need Help Designing Speaker Enclosure/Engineering

  • Chris Larabee
  • · Replies 6 ·
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6

Graduate Temperature, Kinetic Energy, Boltzmann Factors, and SHO

  • gyroscopeq
  • · Replies 6 ·
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6

Undergrad Making sense of the units of entropy: J/K

  • stimulus
  • · Replies 4 ·
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4

Undergrad Thermodynamics and daily life

  • Chemer
  • · Replies 7 ·
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7

Undergrad Laws of thermodynamics compared with life.

  • gianeshwar
  • · Replies 3 ·
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3

High School Thermal Equilibrium: Why Does Car Get Hotter Inside?

  • nmsurobert
  • · Replies 5 ·
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5

Graduate Internal Energy & Ideal Gas: Is dH=Cp dT Always?

  • kelvin490
  • · Replies 1 ·
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1

Undergrad Derivation of Bernoulli's equation via Newton's second law

  • Shinaolord
  • · Replies 6 ·
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6

Graduate Why is P_ext different for reversible and irreversible isothermal expansion?

  • AdityaDev
  • · Replies 5 ·
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5

Undergrad How much heat energy in molten glass?

  • Jay Lakoda
  • · Replies 8 ·
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8

Undergrad Adiabatic Lapse Rate Explained: Work, Energy, & Temperature

  • styart
  • · Replies 1 ·
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1

Graduate T-S Carnot Cycle for Photon Gas

  • repetelww
  • · Replies 2 ·
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2

Undergrad Thermodynamics question about density

  • Jay Lakoda
  • · Replies 8 ·
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8

Graduate Randomness in time reversal case

  • elementHTTP
  • · Replies 7 ·
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7

High School Is Heat Considered a Force in Energy Transfer?

  • Inpyo
  • · Replies 5 ·
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5

Undergrad What is the Physics of this Obervation?

  • Herbststurm
  • · Replies 2 ·
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2

Graduate Stuck on the derivation of pV^gamma=c

  • Fosheimdet
  • · Replies 5 ·
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5

High School Principles of warming and cooling

  • Niaboc67
  • · Replies 5 ·
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5

Undergrad Why are isothermal process values higher than adiabatic ones?

  • Ana Mido
  • · Replies 21 ·
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21

Graduate Tidal forces and thermodynamics

  • Notabrainak
  • · Replies 10 ·
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10

Undergrad Entropy as number of microstates

  • avito009
  • · Replies 2 ·
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2

Graduate Overunity Questions: Is Energy Added in Space?

  • Notabrainak
  • · Replies 5 ·
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5

Graduate Steady state heat conduction into a very large solid

  • Racer_Rob
  • · Replies 3 ·
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3

Undergrad Where does energy go during phase transitions?

  • bmrick
  • · Replies 14 ·
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14

High School Heat the core of an object or a specific point inside the object?

  • physior
  • · Replies 4 ·
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4

Graduate Grand Canonical Partition function

  • Nikitin
  • · Replies 12 ·
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12

High School Why Does a Bomb Blast Create a Mushroom Cloud and Then a Ring of Smoke?

  • AdityaDev
  • · Replies 2 ·
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2

Undergrad How can I calculate the volume of leaked gas in a leak testing project?

  • OffshoreEng
  • · Replies 1 ·
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1

Graduate Meaning of the Partition function

  • muzialis
  • · Replies 2 ·
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2

Graduate Thermodynamics and conservation of energy

  • Roy Green
  • · Replies 15 ·
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15

Undergrad Linear coefficient of thermal expansion

  • Nathanael
  • · Replies 4 ·
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4

Undergrad Newton's second law for rotation, when does it apply?

  • Amin2014
  • · Replies 9 ·
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9

High School Speed of Sound in Air as a Function of Temperature

  • Paulene Gueco
  • · Replies 30 ·
2
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30

Graduate Heat transfer coefficient and ζ

  • PeterH
  • · Replies 4 ·
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4

Graduate Temperature varying in vacuum chamber during pressure adjust

  • Soho
  • · Replies 3 ·
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3

Undergrad Math used in this equation rearrangement?

  • MarchON
  • · Replies 6 ·
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6

Undergrad What factors determine the energy storage capacity of compressed gases?

  • Stanley514
  • · Replies 35 ·
2
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35

Graduate Physical significance of temperature

  • kelvin490
  • · Replies 3 ·
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3

High School Does heat transfer cause molecules to cool down?

  • gracy
  • · Replies 10 ·
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10

Graduate Understanding the Energy Modes of Springs in a Solid

  • gemabaskara
  • · Replies 1 ·
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1

High School Any toxic fumes from heated copper?

  • Yarbles
  • · Replies 10 ·
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10

Undergrad How does heating a gas in a vessel with a piston affect the pressure inside?

  • AdityaDev
  • · Replies 3 ·
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3

Undergrad Newton's Third Law and the Horse Cart Problem

  • Soumalya
  • · Replies 10 ·
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10

Undergrad What is an Irreversible Adiabatic Process?

  • iScience
  • · Replies 8 ·
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8

Graduate Book on Chemical Thermodynamics

  • Avatrin
  • · Replies 1 ·
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1

Undergrad Newton's third law and attraction

  • Tulatalu
  • · Replies 6 ·
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6

High School Absorbed energy from the sun, where does it end up?

  • Baconfish
  • · Replies 20 ·
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20

Undergrad The relationship between temperature and pressure for water?

  • Tapehead2
  • · Replies 8 ·
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8

Undergrad Calculating the Maximum Safe Volume of Ethanol in a Confined Space

  • Shannon hunt
  • · Replies 1 ·
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1

Undergrad Newton's First Law: Movement in Space Without Friction

  • avito009
  • · Replies 6 ·
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6

Undergrad Temperature of gas and solid in thermal equilibrium

  • mrandersdk
  • · Replies 15 ·
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15

Graduate Questions Regarding the Phase Diagram

  • Red_CCF
  • · Replies 45 ·
2
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45

Undergrad Entropy: Joules per Kelvin Explained

  • Saado
  • · Replies 4 ·
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4

Undergrad What Would Happen in a Vacuum Chamber?

  • billbaty
  • · Replies 6 ·
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6

Graduate Heat engine efficiency could approach 100%?

  • Stanley514
  • · Replies 4 ·
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4

Undergrad Question about Newton third law and NASA article

  • late347
  • · Replies 3 ·
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3