Thermodynamics Forum

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How Does Entropy Differ Between System Equilibrium and Individual States?
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Kelvin Temperature - Celsius Temperature Change
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Using physics to produce heat - need some ideas
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4
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Temperature of Gas: What's Happening to Atoms/Molecules?
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5
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When will the entropy of universe(an isolated system) stop increasing?
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Resolving the Paradox of Entropy and Energy
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Can a Real-World Carnot Engine Achieve Carnot Efficiency?
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5
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Entropy & Enthelpy - A Weird Deduction from Class
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20
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No change in entropy of the system+surroundings in reversible process.Really?
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2
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Open & Closed/Thermodynamic proofing
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Contradiction/breach 2nd law? Simply with carnot engine + negative temperature
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116
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Estimation of diffuse and direct radiation starting from the global radiation
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Constant volume Specific heat and internal energy relationship in nonideal gas.
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1
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Measuring Heating Power at High Temperatures
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9
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Solvation Heat Pump Introduction | Thermodynamics Understanding
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4
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How can air displacement balance out forces in Newton's third law?
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12
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A few questions on Thermodynamics
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17
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University thermodynamics fundamental equation/identity derivation.
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2
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Heat from an infinite reservoir?
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7
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What Technologies Can Supply High Temperatures and Where Are They Needed?
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15
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Thermal expansion of a metal round disk with hole in the middle
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3
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What is the difference between adding heat and adding cold?
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60
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Questions RE: radiation pressure
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6
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Rectennas and 2nd law of thermodynamics
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9
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Maximal Entrop, Temperature & Energy Transfer
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4
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Temperature of Water in a Moving Plane
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3
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(Hopefully) simple thermodynamics question
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1
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Differentials in the context of thermodynamics
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7
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Zeh: Basics of Basics of Thermodynamics, yet really confused
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5
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Seeking Info on Plasma Propulsion Engine Design
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8
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Thermodynamics Basics: Questions Answered
2
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50
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Can Entropy of an Ideal Gas Decrease?
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3
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How does a laser heat up a material?
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What's the difference between isothermal and adiabatic processes?
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3
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7K
How Does a Thermostat Activate Heating?
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3
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Thermodynamics issue with absorption heat pumps
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1
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What caused the increase in entropy after the Big Bang?
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9
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Schaums Outline: Entropy Ques - Tmp Not Constant
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4
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Flywheel Energy Storage and small engine
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7
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Problem with Newtons second law
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3
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Effect of air flow on temperature inside box
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1
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2K
Water Temperature gain calculation
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9
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5K
What determines the specific heat capacity of a given substance?
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2
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Black Body Radiation: Info for Non-Quantum Physicists
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1
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What is Infared and Ultraviolet radiation responsible for?
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7
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Can a Black Body Emit Only One Photon After Being Hit By a Single Photon?
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5
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What is the recommended voltage for Kapton flexible heaters wired in parallel?
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3
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3K
1D Heat equation, numerical solution with ONLY one heat source
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1
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Carbon Dioxide Thermodynamic tables
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2
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Isothermal expansion/compression
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4
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Understanding Thermal Energy: Exploring the Definition and Use of kT in Physics
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9
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Trouble understanding Newtons first law and f=ma
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3
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Average wavelength for blackbody radiation
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4
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9K
Blended metal bullets; much heat after impact? Can anyone tell me?
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8
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11K
Decrease in entropy and 2nd Law of Thermodynamics
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4
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7K
How to protect yourself from radiation?
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14
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Strange behavior of thermal expansion and resistivity equations
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2
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Optics thought experiment and 2nd law of thermodynamics
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15
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How do I calculate energy extraction in a heat engine?
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11
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Do Reference Frames Affect Thermal Equilibrium and Temperature Observations?
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6
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Ideal thermal efficiency impossible?
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3
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Hot air balloon thermodynamics
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3
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Newtons first law and inertial reference systems. (noob)
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4
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Why is entropy an irreversible process?
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6
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Heat loss due to Evaporation in a closed environment
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4
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Do spherical ovens conserve heat better than others?
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2
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How do things expand (due to heat)?
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5
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Harnessing the power of heat? [discussion]
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12
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Life & Entropy: Is Life a Low-Entropy System?
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2
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Uncovering the Mystery of Electrolytic Cells: The Truth About Free Energy
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3
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Is There a Maximum Limit to Entropy Increase in an Expanding Universe?
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5
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What is the differential equation for a time-constant calorimetry experiment?
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Apparent 2nd law violation? (thermodynamics)
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38
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Another Simple Heat Loss Question
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1
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Fluid heat transfer problem, please advise. Thanks
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1
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Doubts regarding conversion of mechanical work to heat
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20
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Does an LC Circuit Radiate Energy?
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6
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Isothermal Process: Constant Temperature & Internal Energy
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7
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Can Gravity Absorb Heat Energy?
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8
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Why is 100% efficiency impossible for heat engines?
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9
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Car Exhaust Heat: Convectional or Radiated?
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3
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Kinetic energy, heat, and reference frame
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3
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Mechanical motion VS thermal motion
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4
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Latent heat and colligative properties
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2
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Help Heat Conduction into a gas
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1
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Carnot cycle with efficiency > 1
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Using the specific heat of any substance
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3
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Does Helium Expands Faster than Air When Heated?
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Second law of thermodynamic and probability
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Thermodynamic properties of ideal gases
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How Are the Two Formulations of the Third Law of Thermodynamics Equivalent?
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How Does Isothermal Expansion Increase Entropy Despite Quantized Energy Levels?
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2
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Maximum temp possible with a constant heat source?
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4
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Cooling thermocouples junction
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Can Thermocouple Junctions Cool Down When Supplied with Current?
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4
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Optimizing Heat Transfer: Oil Bath Heat Exchanger for Water Bath Heating
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4
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Will I Freeze or Burn in Outer Space? A Look at Heat Transfer in Space
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31
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Why Does Glass Increase Heat Loss in Aquariums Compared to Air?
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14
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How Planck explained black body radiation
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3
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6K
Beck, H.L. The physics of Environmental Radiation Fields
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2K

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