Thermodynamics Forum

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Graduate Heat diffusion into an infinite rod
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Graduate Question about entropy change in a reservoir
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Undergrad What exactly is the thermal lens effect?
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High School How does sweating cool a person down?
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Graduate Does a good heat engine make a bad refrigerator?
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Graduate Silicon not heating with induction heater?
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Undergrad Free expansion of an ideal gas
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Undergrad Temperature of a thin bulb filament
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Graduate Confused about Hawking Radiation
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Undergrad I do not understand Equations of state
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Undergrad Non-aquaeous expansion medium for a reactor
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Undergrad Atmospheric Lapse Rate (calculating the altitude of cloud formation)
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11K
Undergrad Is Temperature Truly Absolute Zero in a Vacuum with No Particles?
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Graduate Why Is Understanding Entropy So Challenging?
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7K
Graduate Latent Heat: An Alternative Explanation
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Graduate What is the Specific Heat of an Ideal Blackbody?
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High School Could steam be expanded through a nozzle to get 0°C gas?
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High School How can I model a density function of a compressible fluid?
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Undergrad Why laser output power decreases with increasing temperature
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7K
Grandpa Chet's Entropy Recipe - Comments
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8K
Undergrad Heat during the Day: Answers to Your Questions
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8K
High School What is the name of this Heat Engine?
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9K
Undergrad Solar radiation for the stabilization of satellites?
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7K
Graduate Free expansion of a real gas vs Joule-Thomson effect
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Undergrad Optimizing Venturi Effect in Hyperboloid Tower Construction
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Graduate Do Carnot and Stirling Engines Have the Same Efficiency?
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Graduate How is the 2nd law of thermodynamics obeyed in this system?
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Graduate What is the Intuitive Meaning of Entropy and How is it Calculated?
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Graduate Probability at a temperature T that a system has a particular energy
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Undergrad UV radiation vs. the real daytime exposure
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6K
Graduate Why is there a temperature gradient in lasers causing thermal lensing?
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Undergrad On Newton's first and second laws
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Undergrad Heating water and air in a constant volume
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Graduate Impact of chaos on a system's entropy
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6K
Graduate How can we best describe entropy other than with disorder?
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High School Temperature Measurement: Are All Thermometers Created Equal?
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Undergrad Kepler's second law and Wikipedia article
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Graduate Why doesn't Q=0 instead of Q=W if T=constant in first law?
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Undergrad Storing Energy as Heat in Vegetable Oil
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6K
Undergrad Specific heat at constt. volume of an ideal gas
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High School Is Newton's Second Law Flawed? An Exploration of Zero Force in Space
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Graduate Hawking radiation versus the cosmic background
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Graduate Entropy generation during irreversible isothermal expansion
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High School Question about Newton's Second and Third Laws
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Undergrad How is thermochromatic rainbow paint made?
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Undergrad Description of Adiabatic Expansion
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Graduate What will happen to the heat input of the two-phase system?
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High School Free Expansion of Gas: Internal Energy & Work
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Graduate Explain the demonstration of Kirchhoff's law on blackbody
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Graduate Variation of energy but constant entropy
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Undergrad Heat Buildup in Complete Insulation Box
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Undergrad How does solar radiation contribute to heat transfer through windows?
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Graduate Trying to understand the entropy of different situations....
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High School What would happen to Earth's temperatures without an atmosphere?
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Graduate Volume and temperature rise in tissue
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Graduate Thermodynamics Pathria Eq.4.5.9
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Undergrad Need help reconciling two statements about refrigerants
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High School Why does time pass in an isolated vacuum?
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Undergrad Superheated vapors and Gay-Lussac's Gas Law
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Undergrad What is the difference between a perfect gas and an ideal gas?
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Graduate Some questions about heat and temperature
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Graduate Is this calculation for radiation pressure correct?
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2K
Undergrad Why the specific heat of solids and liquid does not change?
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Undergrad Calculating Laser Power from Temperature Rise, Time, and Target Mass?
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Undergrad Radiance and energy density of a black body
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Undergrad Heat Transfer -- Newton's law of cooling
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Undergrad Dimensional analysis involving partial derivatives
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Graduate Entropy Change in Free Expansion: Why △S=ncᵥln(T_f/T_i)+nRln(V_f/V_i)?
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Graduate Understanding Constant Temperature in Ideal Gas Filling Process
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Undergrad Compression of gases that liquefies
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Undergrad What Causes Thunder? New Research Answers
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Undergrad Density of states in the ideal gas
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Undergrad Do Simple 2D Ising Models Have Constant Density of States?
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Undergrad Statistical Physics - Equilibrium
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Graduate Entropy Production in an Optical Cavity?
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Graduate THz Radiation, Antennas: Need background knowledge
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Graduate When/How does thermal radiation stop (if it stops) and conduction
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Undergrad Cooling of a hot body in the vacuum of space
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Undergrad Reversible compression of a gas - faulty reasoning?
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Undergrad Rocket-Jet Hybrid, Rocket + Ramjet
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Graduate Pressure and temperature due to frictional or momentum input
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Undergrad Carnot Cycle efficiency, temperature dependency
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Undergrad Seebeck generator from placing water heater next to freezer
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Graduate Entropy in the Brazil Nut Sorting Effect
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Undergrad The air parcel expands as it rises inside a pipe
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Graduate Do Some Organisms Thrive on Pure Heat Instead of Low Entropy?
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Undergrad Possible error sources in thermal conductivity experiment?
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High School Energy required to get 1 kg of lead to a given temp from 0 K
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Graduate Question about infrared radiation
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Undergrad Heat Transferred to a Falling Object
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Graduate Could we picture the universe without entropy (in it)?
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High School When Difference between Kelvin and Celsius are negligible
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High School Exploring Mass-Energy Equivalence: Impact of Heating on Mass Increase
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Undergrad Temperature in Space: The Kelvin Scale
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Undergrad The amount of time it will take to melt ice
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High School Difference between color / temperature?
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Undergrad Different approximations for the same problem
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High School Experiment on Newtons First Law
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Graduate If entropy increases, where does the information come from?
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Undergrad What is a good experiment for carnot cycle?
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