Thermodynamics Forum

Post thread
How to measure the temperature of liquid in sealed container
Replies
3
Views
3K
Difference between Isothermal and Adiabatic?
Replies
3
Views
2K
Entropy: second law for systems with zero input net energy
Replies
5
Views
1K
Fermi Function at High Temperature
Replies
1
Views
2K
Negative Kelvin temperature? (Recent Science paper)
Replies
45
Views
12K
About Entropy and Poincare Recurrence
Replies
7
Views
3K
How Do Carnot's Efficiency Formulas for Heat Engines Align?
Replies
1
Views
1K
Which cheap metal would absorb and radiate heat well?
Replies
17
Views
6K
Why the heat of vaporization decreases with increasing temperature ?
Replies
14
Views
24K
Temperature Profile -- temperature-length curve of a metal bar
Replies
23
Views
3K
Swimming pool heating by 16 car radiators on hot loft
Replies
26
Views
10K
Calculating the output temperature of a Solar Thermal system
Replies
7
Views
2K
What moves the piston in a Carnot heat engine?
Replies
7
Views
2K
Transparency, colours and heating of materials
Replies
6
Views
1K
Do things burn because of the flame or the heat?
Replies
13
Views
3K
How possibly can heat flow between equally hot bodies?
Replies
17
Views
2K
Entropy: What Is Unavailable Energy & Real-Life Examples
Replies
13
Views
2K
Temperature & kinetic energy of particles in solid vs gas
Replies
4
Views
3K
Specific heat help -- cooling down a metal bar
Replies
1
Views
1K
What is the connection between enthalpy, mass energy, and internal energy?
Replies
6
Views
2K
Is it possible to magnify light heat?
Replies
29
Views
5K
Entropy of system and surroundings
Replies
3
Views
2K
Temperature dependence of the index of refraction of air
Replies
1
Views
3K
Thought Experiment on the Dual Nature of EM Radiation
Replies
15
Views
2K
Heat transferred into a closed system
Replies
5
Views
2K
Pressure and temperature -- the effects of one upon the other
Replies
2
Views
1K
How Does Newton's Third Law Clarify Force and Acceleration Misconceptions?
Replies
24
Views
3K
Why work done on a system causes heat to flow out of it?
Replies
2
Views
1K
Inverse Square Law, Temperature Change, and Heat Source Temp
Replies
2
Views
5K
Heat of Fusion for Hydrogen: Calculating Distance from 0.10 g Reaction
Replies
24
Views
3K
Why is entropy not reversible?
Replies
24
Views
5K
Temperature of boiling surface
Replies
32
Views
4K
Calculating Temperature at a Distance from Heat Source
Replies
5
Views
2K
How to calculate heat released from friction
Replies
2
Views
2K
Is there a way to calculate the entropy change for an irreversible process?
Replies
3
Views
2K
Kelvin thermodynamics temperature scale
Replies
9
Views
2K
Physical Significance of Thermal Diffusivity
Replies
7
Views
6K
Heat capacity at constant volume and internal energy
Replies
17
Views
3K
Heat equation from Navier Stokes eqns?
Replies
7
Views
3K
Heat transfer processes and reversibility
Replies
12
Views
2K
Internal energy vs. Enthelpy vs. Entropy
Replies
1
Views
1K
Does Entropy Change in All Adiabatic Processes?
Replies
2
Views
1K
Water evaporation, temperature, wind and heat capacity?
Replies
2
Views
2K
Quasi-static and reversible processes in thermodynamics
Replies
1
Views
3K
Thermodynamics (Closed System) questions
Replies
1
Views
1K
Converting between λ and ν for Blackbody Radiation?
Replies
6
Views
1K
Cooling/heating temperature rate change
Replies
4
Views
1K
Understanding Entropy and Hawking Radiation in Black Holes
Replies
2
Views
3K
Why does heat engine need to do negative work to surround?
Replies
12
Views
5K
Looking for resistivity vs. temperature lab charts
Replies
3
Views
1K
Can the weight of heat be accurately measured in such small increments?
Replies
12
Views
2K
Temperature increase with stirring?
Replies
6
Views
5K
Temperature gradient vs thermal boundary layer thickness
Replies
8
Views
6K
Why must VTOL engines be larger than normal engines?
2
Replies
63
Views
9K
Does any kind of polarized light transfer heat?
Replies
6
Views
2K
What happens to entropy when kinetic energy increases in a system?
Replies
1
Views
1K
General Relativity and Hawking Radiation at the Event Horizon
Replies
4
Views
1K
Harness Heat Energy for Drone Power - How To?
Replies
6
Views
1K
Has anyone studied Equilibrium thermodynamics by CJ Adkin?
Replies
9
Views
2K
As water depth increases, does temperature go below 0C?
Replies
1
Views
2K
Why can one calculate entropy change for thermal conduction?
Replies
4
Views
2K
2nd law of thermodynamics -- why?
Replies
15
Views
2K
Entropy or Quantum Mechanics ?
Replies
7
Views
2K
Carnot Efficiency: Qh/Ql=Th/Tl Explained
Replies
3
Views
3K
Negative absolute temperatures
Replies
1
Views
2K
Jansky for blackbody radiation
Replies
2
Views
2K
Gases that absorb IR radiation
Replies
5
Views
2K
Getting Constant Cooling: Examining Heat Leakage
Replies
1
Views
1K
Is Dropping a Metal Block into a Lake a Reversible Process in Thermodynamics?
Replies
1
Views
2K
Ionising radiation and light bulbs
Replies
19
Views
7K
Thermal insulation in quantum computers
Replies
2
Views
1K
Thermal-expansion coefficients, convection as function of T
Replies
6
Views
3K
Why Energy Flows Between Temperature-Different Systems
Replies
1
Views
1K
What is the distinction between thermal and internal energy?
Replies
4
Views
4K
Cotton Insulation vs Glad Wrap Bag for solar water heater?
Replies
1
Views
1K
Definition of intensity in radiation
Replies
7
Views
1K
Radiation that can penetrate everything
Replies
4
Views
2K
Could one build "thermal power lines"?
Replies
14
Views
2K
Use of Entropy for a Control Volume in Energy Balance
Replies
1
Views
1K
Is it feasible to add temperatures?
Replies
3
Views
2K
Microwave Heating -- 2.4GHz in, IR radiation out....
Replies
1
Views
1K
Temperature Correction: Get Accurate Wall Surface Temperature
Replies
2
Views
1K
Entropy vs. enthelpy in chemical reactions.
Replies
1
Views
1K
Measuring Fireplace Radiation: Techniques and Tools for Accurate Results
Replies
2
Views
1K
Wheatstone Bridge: No Current Flow?
Replies
6
Views
2K
What Causes Particle Vibration in Heated Matter?
Replies
3
Views
2K
Adiabatic Process, Internal Energy vs. Enthelpy.
Replies
2
Views
3K
How can heat change if temp is constant?
Replies
2
Views
1K
Thermodynamic definition of volume
Replies
1
Views
1K
Negative absolute temperatures - Comments
Replies
6
Views
2K
Why boiling occurs at fix temperature?
Replies
7
Views
3K
Efficiency of Irreversible Engine
Replies
5
Views
5K
Enthalpy and the Ideal Gas Law: Understanding Constant Pressure Reactions
Replies
4
Views
6K
Temperature change in ice water interface
Replies
8
Views
2K
Entropy of a Gas Under Pressure: Does Temperature Trump Pressure?
Replies
5
Views
2K
Confusion about 2nd law of thermo
Replies
2
Views
993
Heat Equilibrium in elliptical cavities, and the second Law
Replies
17
Views
4K
What is meant by heat capacity at constant pressure?
Replies
2
Views
1K
Why wouldn't the temperatures be different in this scenario
2
Replies
80
Views
7K
Blackbody Radiation: Ideal Emitters at Room Temperature
Replies
10
Views
2K

Hot Threads

Hot Threads

Recent Insights

Back
Top