Thermodynamics Forum

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Clarifying Entropy: Does it Always Increase?
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Heat injection and work during Rankine cycle
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Heat conduction between 2 objects
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Calculating Temp. in a Heated Vessel: A Problem for Dave
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Stirling cycle: Why neglect isochoric heat transfers?
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Definition of efficiency of a thermodynamic cycle
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Thermal expansion of liquid into gas void
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Enthelpy of an ideal gas and pressure
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Coming up with a function to model expected room temperature
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How does the surface property affect blackbody radiation?
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References on thermal power stations and supercritical technology
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In 3rd step of Carnot cycle, work done on the piston is pdV?
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Why is entropy a state variable even for irreversible path?
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Is entropy always bound to increase, even on a small scale?
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Particle Velocity and adiabatic/isothermal propagation
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Does a probability distribution correctly describe entropy?
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What happens at the end of entropy?
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A question on absolute kelvin temperature scale.
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Spectral Intensity as a Function of Wavelength in Blackbody Radiation
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Is the idea of negative absolute temperature analogous to a virtual image?
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Thermodynamics College Project
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Temperature ballance, two systems
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Help with light bulb radiation
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Why do atoms undergo fission/fusion instead of emitting radiation?
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Some Questions about entropy....
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Critical temperature, or: Is the supercritical liquid a phase?
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Does entropy increase behind surface tension?
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Entropy: Thermodynamics & Information Theory Explained
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Do laws of thermodynamics really apply to ecosystems?
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Questions for curious engineers
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12
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What Are the Key Concepts and Misconceptions in Thermodynamics?
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Skin temperature increase due to radiation absorption
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How can heat capacity be determined when both pressure and volume are changing?
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Thermal velocity of a soccer ball
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Help me to solve my house swimming pool temperature problem please
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Nitinol Engine Design: Exploring Efficiency and Power Harnessing Techniques
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Two Questions about thermal radiation....
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Revisiting Newton's Second Law
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Definition(s) of "reversible" -- thermodynamics vs mechanical?
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Fundamental Thermodynamics Relation
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Solving the Thermodynamics Paradox with a Ball-Earth System
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Contradiction with Kirchhoff's Radiation Law?
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Entropy and temperature question
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4
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Entropy of ideal gas: Volume it *has* or is *allowed* to have?
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Does gravity tend to decrease the entropy?
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Time & Entropy: Deeper Meaning, Equations & References
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Definition(s) of entropy in continuum mechanics
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Energy needed to decrease or increase entropy?
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Entropy change : pure mixing of gases
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Temperature fluctuations in helium
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Entropy question in classical physics
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Calculating entropy for a simple scenario
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Thermodynamic Process: Is Work Conserved?
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Why is the wave equation different from the heat equation
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How Do Microstates, kT, and Entropy Interact in Statistical Mechanics?
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How can entropy increase in a deterministic universe
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Does Laplace's demon know about entropy?
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Where does heat energy go when dissipated in metal?
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How do I state 2nd law of thermodynamics for an open system
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Liouville, the second law and chaos
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Understanding Mercury and Thermometer: The Science Behind Temperature Expansion
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A simple question about reversible heat
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Using Isothermally Compressed Air to Cool a Refrigerator
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Reverse engineering potential and kinetic energy
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Lower kinetic temperature implies population inversion?
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Can Temperature Be Misleading in Energy Comparisons?
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How can an adiabatic process decrease internal energy without transferring heat?
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Heat transfer by radiation and Temperature difference
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Calculation of heat loss by Degree C/minute.
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I need a bit of direction....thermodynamics & kilns
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Dimensions of interaction/radiation length
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Thermal coefficient of expansion in gases
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Is enthelpy change during isothermal process zero?
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Confusion: Internal energy u vs enthelpy h
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Isobaric vs. isothermal expansion
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What Happens Thermally When High-Pressure Air Bursts into a Dead-Ended Tube?
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How does density affect thermal conductivity?
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What is the difference between Otto engine and Carnot engine
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Can You Calculate Heat Conductivity with These Simple Variables?
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First Vs. Second law of thermodynamics
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Kepler's first law for any body
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Thermodynamics: questions about vacuum engines
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Question about Jet engines (thermodynamics)
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Billiard ball gas and extensive entropy
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Can an object ever fully reach ambient temperature in an isolated environment?
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Proof that entropy can never decrease
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Proving thermodynamic relationship
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Thermodynamics: (Entropy) Multiplicity using hypercube
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Temperature of Plexiglass due to laser strike
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How to determine temperature of filament?
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Gibbs Free Energy and Enthelpy
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What values of n make this system a proper thermodynamic system?
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Temperature of two bodies in the same room and under the Sun
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Specific heat ratio of gas mixture
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Undergraduate Student Seeking Answers on Sustaining Entropy
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Statistical definition of temperature
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Could a good conductor be heated past the temperature of....
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Air friction and speed & temperature
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About Second Law of Thermodynamics
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For Dummies Derivation of Radiation Pressure>Energy Density?
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