Thermodynamics Forum

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Graduate Swimming pool heating by 16 car radiators on hot loft
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Undergrad Calculating the output temperature of a Solar Thermal system
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Undergrad What moves the piston in a Carnot heat engine?
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Graduate Transparency, colours and heating of materials
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Undergrad Perfect" Radiators & Absorbers: Why Materials Differ
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High School Do things burn because of the flame or the heat?
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High School Could these statments define energy?
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High School Hello all, lay-man's question about gas laws
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6
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Graduate How possibly can heat flow between equally hot bodies?
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17
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Undergrad Why do we see the claim that an isentropic process is adiabatic and reversible?
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Undergrad Question about fluid expansion
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6
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Undergrad Entropy: What Is Unavailable Energy & Real-Life Examples
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13
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Undergrad Would any physical event happen at absolute zero?
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Undergrad Temperature & kinetic energy of particles in solid vs gas
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High School The shape of the body in Stefan Boltzmann Law modern use
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Undergrad Understanding the Definition of Cp and its Relationship to Cv: Explained
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Undergrad Specific heat help -- cooling down a metal bar
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Graduate What is the connection between enthalpy, mass energy, and internal energy?
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High School Need a formula for this scenario....
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6
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2K
Undergrad Relative Humidity Inside a not so Perfectly Sealed Housing
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2
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High School Calculating Uncertainty of Mean Values for Enthalpy Change Measurements
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2
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Undergrad Doubt regarding proof of Clausius Inequality.
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5
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High School Is it possible to magnify light heat?
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29
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Undergrad What equations can help me understand Convectron gauges?
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1
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Undergrad Calculate Minor Losses due to Flow Geometry Alone
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Graduate Entropy of system and surroundings
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3
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Undergrad Temperature dependence of the index of refraction of air
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1
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3K
Graduate Thought Experiment on the Dual Nature of EM Radiation
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15
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2K
Undergrad Inversion and Isenthelpic Curves for van der Waals EOS
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6
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Undergrad Ideal Gas Law - Real Life Question?
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3K
Undergrad Understanding Boiling Point Elevation: Real Gas Law and Its Impact on Molecules
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3
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Undergrad Heat transferred into a closed system
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5
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2K
High School Pressure and temperature -- the effects of one upon the other
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2
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1K
Undergrad How Does Newton's Third Law Clarify Force and Acceleration Misconceptions?
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24
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High School Why work done on a system causes heat to flow out of it?
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2
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Undergrad Inverse Square Law, Temperature Change, and Heat Source Temp
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Undergrad Heat of Fusion for Hydrogen: Calculating Distance from 0.10 g Reaction
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Undergrad Why is entropy not reversible?
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Undergrad Temperature of boiling surface
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Undergrad Calculating Temperature at a Distance from Heat Source
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Undergrad How to calculate heat released from friction
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2
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2K
Undergrad Different Blackbody Intensity Peaks, how do we measure it?
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Graduate Is there a way to calculate the entropy change for an irreversible process?
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Graduate Kelvin thermodynamics temperature scale
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Undergrad Building a Vacuum Filling System: Valves & Fine Leaks
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5
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Graduate Physical Significance of Thermal Diffusivity
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Graduate Heat capacity at constant volume and internal energy
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17
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Graduate Heat equation from Navier Stokes eqns?
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7
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3K
Undergrad Why Does ds=dQ/T Measure System Disorder?
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Graduate Heat transfer processes and reversibility
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12
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Undergrad Internal energy vs. Enthelpy vs. Entropy
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Undergrad Energy needed for achieving this mass flow rate for a rocket
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Graduate Does Entropy Change in All Adiabatic Processes?
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Graduate Water evaporation, temperature, wind and heat capacity?
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High School Why a dust cloud does not obey pV=nRT?
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High School Difference between albedo and emissivity?
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1
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Graduate Quasi-static and reversible processes in thermodynamics
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Graduate Thermodynamics (Closed System) questions
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High School Why Does My Vacuum Leak Rate Change at 25 Microns of Mercury?
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14
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Undergrad Converting between λ and ν for Blackbody Radiation?
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6
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Undergrad Black Body Radiator vs painted surface
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26
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Undergrad Two blackbodies at two foci inside an ellipsoidal shell
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3
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Undergrad Cooling/heating temperature rate change
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4
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High School Why Absolute Zero is Independent of Substance Properties
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9
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Graduate Understanding Entropy and Hawking Radiation in Black Holes
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Graduate Why does heat engine need to do negative work to surround?
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12
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High School Which Cold Pack Solution Lasts Longer for Water-Cooled Vests?
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6
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High School Looking for resistivity vs. temperature lab charts
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Undergrad Can solar panels be improved by combining them with a heat retaining material?
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7
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Graduate Can the weight of heat be accurately measured in such small increments?
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12
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Undergrad K Factor & Thermal Conductivity: Find Insulation Supplies
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High School Temperature increase with stirring?
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6
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High School How can ice cool an alcoholic drink below 0°C?
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High School Understanding the Science Behind Water Vapor and Cloud Formation
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Graduate Temperature gradient vs thermal boundary layer thickness
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8
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Graduate Temperature: Intensive Property Explained
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17
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Undergrad Why must VTOL engines be larger than normal engines?
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High School Colder bedrooms when outside is warmer
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Undergrad Does any kind of polarized light transfer heat?
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Undergrad How to calculate the energy emitted through IR waves
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Graduate What happens to entropy when kinetic energy increases in a system?
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Graduate General Relativity and Hawking Radiation at the Event Horizon
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Undergrad Harness Heat Energy for Drone Power - How To?
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6
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1K
Undergrad Does the Equal A Priori Probabilities Assumption Hold for Interacting Gases?
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Graduate Has anyone studied Equilibrium thermodynamics by CJ Adkin?
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Undergrad Ideal Gases: O2 & H2 - Kinetic Energy Comparison
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Graduate As water depth increases, does temperature go below 0C?
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Graduate Why can one calculate entropy change for thermal conduction?
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4
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Undergrad 2nd law of thermodynamics -- why?
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15
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Undergrad Why can U be expanded in terms of T and V?
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3
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Undergrad Entropy or Quantum Mechanics ?
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7
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Graduate CO2 sublimation in a closed container
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3
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High School Struggle to understand adiabatic process
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2
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1K
Undergrad Carnot Efficiency: Qh/Ql=Th/Tl Explained
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Graduate Negative absolute temperatures
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Undergrad Jansky for blackbody radiation
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2
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2K
Graduate Gases that absorb IR radiation
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Undergrad Getting Constant Cooling: Examining Heat Leakage
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1
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Graduate Is Dropping a Metal Block into a Lake a Reversible Process in Thermodynamics?
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Undergrad Ionising radiation and light bulbs
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