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Undergrad Question from a layperson: Particles & temperature

  • AlexanderinCbus
  • · Replies 4 ·
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4

Undergrad Calculating the rate of rise of air

  • Gavin Sweeten
  • · Replies 6 ·
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6

Graduate Calculating Temperature Change for Heat Exchanger

  • matt621
  • · Replies 2 ·
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2

Undergrad Why drop the vibrational ground state energy

  • WeiShan Ng
  • · Replies 6 ·
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6

Graduate Thermal radiation in transparent objects

  • dRic2
  • · Replies 5 ·
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5

Graduate No sublimation for human body in vacuum? [Thermodynamics]

  • Satonam
  • · Replies 1 ·
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1

Undergrad Evaporation under vacuum; surface area

  • Jay167
  • · Replies 2 ·
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2

Undergrad Thermal equilibrium and isolation

  • Benjamin Irwin
  • · Replies 1 ·
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1

Undergrad Does capillary action use water heat energy?

  • DannyShem
  • · Replies 2 ·
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2

Graduate Fluid mechanics/heat transfer - meaning of Nusselt number

  • RobosaurusRex
  • · Replies 1 ·
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1

Undergrad Ideal Gas Equation and Temperature change?

  • HannahJB
  • · Replies 6 ·
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6

Undergrad How to find internal energy with constant temperature?

  • EastWindBreaks
  • · Replies 1 ·
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1

Graduate Question about the Hamiltonian and the third law of thermodynamics

  • floyd0117
  • · Replies 2 ·
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2

High School What Are the Correct Units for Kepler's Third Law?

  • Abu
  • · Replies 2 ·
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2

Graduate Saturated VapourPressure of Steam above Critical Temperature

  • Sorade
  • · Replies 2 ·
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2

Graduate Why Does the Chain Rule in Thermodynamics Include a Negative Sign?

  • korialstasz
  • · Replies 1 ·
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1

Undergrad [Stat Phy] What does exhausting the states of a system mean?

  • WeiShan Ng
  • · Replies 1 ·
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1

Undergrad Is Negative Kelvin a Real Concept?

  • Chemmjr18
  • · Replies 2 ·
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2

Undergrad Logical explanations of factors, Heat transfer coefficient

  • Conductivity
  • · Replies 22 ·
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22

Undergrad DU = TdS - p dV is valid for irreversible process -- Proof

  • Pushoam
  • · Replies 24 ·
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24

Graduate Correlated-k method (absorption of radiation)

  • hilbert2
  • · Replies 3 ·
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3

Undergrad Why evaporative cooling is a constant wet bulb temp process?

  • Ravi Singh choudhary
  • · Replies 6 ·
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6

Undergrad An aluminum cylinder with a steel wire attached

  • Dingleberg
  • · Replies 3 ·
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3

Graduate What is the net advection of sensible and latent heat?

  • AppeltjeBosheuvel
  • · Replies 7 ·
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7

Undergrad Questions About Stephan's Law of Thermal Radiation

  • Biker
  • · Replies 5 ·
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5

Undergrad How does ΔU relate to Cv in an adiabatic process?

  • Tian En
  • · Replies 13 ·
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13

Undergrad Irreversible Process: Heat Transfer Dynamics

  • Pushoam
  • · Replies 8 ·
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8

Undergrad Reversible Process: Why is it Important?

  • Pushoam
  • · Replies 3 ·
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3

Undergrad Microstate, Macrostate, Probability

  • Pushoam
  • · Replies 2 ·
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2

Undergrad Internal energy of any ideal gas

  • Pushoam
  • · Replies 2 ·
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2

High School Is Your Steam Saturated or Superheated?

  • zorroz
  • · Replies 2 ·
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2

Undergrad Can an air-only refrigerant system effectively cool a freezer?

  • Frenemy90210
  • · Replies 21 ·
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21

High School Brainstorm: Is absolute zero relative

  • unix101os
  • · Replies 23 ·
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23

Undergrad Liquid temperature under pressure

  • Scott jones
  • · Replies 1 ·
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1

Graduate Reversibility in thermodynamics

  • PhysicsInNJ
  • · Replies 6 ·
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6

High School What Are Reversible Machines and Feynman's Limitations?

  • Ankush07
  • · Replies 3 ·
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3

Undergrad Optimizing Evaporative Cooling via Sweat in Dry Desert?

  • shane2
  • · Replies 4 ·
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4

Undergrad Heat transfer: transient state

  • Biker
  • · Replies 4 ·
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4

High School Cyclic Thermodynamic processes

  • GKRM
  • · Replies 14 ·
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14

Undergrad Temperature as a property of matter

  • Sultanphys
  • · Replies 6 ·
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6

Graduate Show that Temperature remains unchanged in phase changes

  • dRic2
  • · Replies 8 ·
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8

Undergrad One Stroke Engine: The Efficiency and Elimination of 2 and 4 Stroke Designs

  • Thomasprice
  • · Replies 10 ·
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10

Undergrad Amount of nitrogen needed to flush a pipe

  • rednass
  • · Replies 8 ·
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8

Undergrad Fluid temperature change over cold surface?

  • dgarza6
  • · Replies 13 ·
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13

High School Measuring the number of moles of a gas

  • S91005774
  • · Replies 4 ·
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4

Graduate Can Entropy Be Expressed as a Power Series in Terms of Internal Energy?

  • Tio Barnabe
  • · Replies 7 ·
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7

Graduate Canonical Ensemble Homework: P(ε) & No. of Microstates with Energy (E-ε)

  • Pushoam
  • · Replies 10 ·
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10

Undergrad Radiation Induced Reduction of Fe3O4

  • Samson4
  • · Replies 1 ·
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1

Undergrad Mathematical model of Newton's first law

  • fedecolo
  • · Replies 31 ·
2
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31

Graduate How do living beings evolve in a universe with increasing entropy?

  • Deepak K Kapur
  • · Replies 46 ·
2
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46

Graduate Heat radiation between two non-parallel surfaces

  • tinatinatina
  • · Replies 1 ·
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1

Graduate Thermal radiation inside a cooler

  • pks
  • · Replies 6 ·
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6

Graduate Metronomes Synchronizing: Entropy & the 2nd Law

  • jeffinbath
  • · Replies 3 ·
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3

Undergrad Does moisture escaping from powders decrease chamber vacuum?

  • Cleitus
  • · Replies 2 ·
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2

High School Does the volume of water affect efficiency of heater?

  • Daniel Manetas
  • · Replies 7 ·
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7

High School Is there a difference between kinetic energy and thermal energy?

  • sameeralord
  • · Replies 1 ·
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1

Graduate Gamma detection -- Cherenkov radiation in gamma-scintillator interaction

  • ORF
  • · Replies 3 ·
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3

Graduate Can the Entropy of a System Always Be Expressed as dU/dT?

  • Tio Barnabe
  • · Replies 7 ·
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7

Undergrad Does Heat Apply Force in Molecular Breakage?

  • first martiAn
  • · Replies 14 ·
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14

Undergrad Is entropy truly a measure of disorder or is it something else entirely?

  • LEELA PRATHAP KUMAR
  • · Replies 4 ·
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4

Undergrad Newton's First Law problem -- Conceptual question about KE

  • Lunct
  • · Replies 7 ·
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7

Undergrad Gibbs Energy and chemical equilibrium

  • dRic2
  • · Replies 7 ·
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7

Undergrad Understanding Internal Energy: Kinetic Theory and the Law of Equipartition

  • LEELA PRATHAP KUMAR
  • · Replies 15 ·
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15

Undergrad Why is Joule-Thomson effect isenthelpic?

  • ussername
  • · Replies 1 ·
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1

High School Understanding Stefan Boltzmann Law: Derivation and Simulation Guide

  • Samir Aliyev
  • · Replies 1 ·
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1

Graduate How to analyze heat transfer effects of viscoelastic fluids

  • Idrees Afridi
  • · Replies 8 ·
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8

Undergrad Understanding Entropy: Examples of Unavailable Energy in Everyday Life

  • trungdien
  • · Replies 2 ·
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2

Undergrad How Does Heat Transfer Into a Sphere Over Time?

  • strokebow
  • · Replies 1 ·
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1

Undergrad How Do Sign Conventions Affect Equations in Newton's Second Law?

  • undividable
  • · Replies 16 ·
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16

Undergrad Why is first TD law different for chemical reactors

  • ussername
  • · Replies 3 ·
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3

High School How Does Heat Transfer Work: Conduction vs. Radiation?

  • JezerTheAnonymous
  • · Replies 2 ·
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2

High School What Effect Does Opening a Valve in a Vacuum Have on Air Molecules?

  • PainterGuy
  • · Replies 19 ·
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19

Undergrad Gas Through Porous Plug: Pressure & Temp Change Explained

  • Vivek98phyboy
  • · Replies 10 ·
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10

Undergrad What differentiates thermal and sound energy?

  • smartypants123
  • · Replies 11 ·
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11

Undergrad Solar Thermal Optics - Concentrated Light

  • Steven B
  • · Replies 4 ·
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4

Undergrad Temperature prediction of a material

  • curiouskk
  • · Replies 3 ·
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3

Undergrad Given a fixed volume of pressurized air, calculate the flow rate

  • dpeff
  • · Replies 3 ·
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3

Graduate IR spectra (in thermal scope vs IR spectroscopy)

  • Rainbows_
  • · Replies 9 ·
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9

Undergrad Does thermodynamics tell us that life will eventually end?

  • RaamGeneral
  • · Replies 14 ·
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14

High School Efficacy of white/aluminum tarps at shedding heat

  • Sherwood Botsford
  • · Replies 10 ·
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10

Graduate Calculating Heat Transfer in Copper Conductors: A Thermodynamics Question

  • 1Keenan
  • · Replies 18 ·
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18

Undergrad How Long Until the Internal Pipe Reaches 150°C?

  • ken93
  • · Replies 25 ·
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25

Undergrad Minute physics video: Why Are Airplane Engines So Big?

  • Dusan Stan
  • · Replies 23 ·
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23

Graduate Final pressure and temperature knowing only air mass outflow

  • Anachronist
  • · Replies 3 ·
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3

Undergrad Center of mass, Newton's third law, and rocket thrust

  • PhysicsKid0123
  • · Replies 8 ·
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8

Undergrad Can Physics and Engineering Help Attenuate Sound in a Large Indoor Firing Range?

  • Physics_Kid
  • · Replies 9 ·
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9

Undergrad Speed of sound in steel dependance on temperature

  • Karlos
  • · Replies 1 ·
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1

High School Solve Feymann's Irreversible Machines Puzzle

  • Dimani4
  • · Replies 7 ·
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7

High School Condensation & Clouds: Understanding Water's Transformation

  • EEristavi
  • · Replies 8 ·
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8

Undergrad Optimizing homemade ice cream freezing with brine

  • couldabin
  • · Replies 8 ·
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8

High School How long does it take for the temperature on Earth to....

  • cool_nugget
  • · Replies 3 ·
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3

Graduate Why there is a " > " sign in the entropy of an isolated system

  • tze liu
  • · Replies 29 ·
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29

Undergrad Calculating Cooling Time for a Large Building

  • mknott
  • · Replies 11 ·
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11

High School Internal energy of compressed gas

  • Bhope69199
  • · Replies 8 ·
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8

High School Understanding Heat: Definition & Unit

  • OcaliptusP
  • · Replies 1 ·
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1

Undergrad Why is cooling with salt and ice so effective?

  • Vrbic
  • · Replies 17 ·
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17

Graduate Fundamental thermodynamics relation

  • davidge
  • · Replies 3 ·
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3

High School Eco-Cooler: plausible? Or snake oil?

  • DaveC426913
  • · Replies 7 ·
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7

Undergrad Understanding Fourier's Law: Key Concepts and Applications

  • zorroz
  • · Replies 3 ·
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3

Graduate Water flow from pressurized tank - versus temperature

  • Anachronist
  • · Replies 5 ·
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5