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HFC-134a Refrigerant & 2nd Law of Thermodynamics
Jan 9, 2022
Replies
20
Views
2K
I
Probability in statistical mechanics
Jan 8, 2022
Replies
23
Views
1K
Why does the entropy of a closed system remain constant in a reversible process?
Dec 27, 2021
Replies
10
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3K
Coping mechanisms for thermodynamics?
Dec 22, 2021
Replies
8
Views
2K
I
Can Specific Oscillating Electric Fields Heat Dipolar Molecules Selectively?
Dec 13, 2021
Replies
4
Views
1K
I
Ideal working gas for a Stirling engine
Dec 8, 2021
Replies
1
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3K
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Thermodynamic functions and state variables
Dec 3, 2021
Replies
8
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1K
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Expansion or Compression Work by Gas ##=\int{P_{ext}dV}##
Dec 2, 2021
Replies
45
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3K
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Understanding Wrev > Wirrev in Thermodynamics
Nov 30, 2021
Replies
17
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2K
I
Making a heat shield for my car's exhaust
Nov 11, 2021
Replies
6
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3K
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About Reversible vs Irreversible Gas Compression and Expansion Work
Nov 10, 2021
Replies
4
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2K
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Entropy change due to heat transfer between sources
Nov 9, 2021
Replies
15
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3K
Heat and Entropy Increase Confusion
Nov 9, 2021
Replies
13
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2K
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Passive radiative cooling of surfaces below ambient air temperature
Nov 8, 2021
Replies
3
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1K
Show that entropy is a state function
Nov 4, 2021
2
Replies
57
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8K
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Is Entropy the inexorable conversion of potential to kinetic energy?
Nov 3, 2021
Replies
17
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3K
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Is GHG Theory/GW in conflict with Kinetic Theory of Gases?
Nov 3, 2021
Replies
6
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2K
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Maxwell’s Relations and Differentiating With Respect to ##N_i##
Oct 30, 2021
Replies
2
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1K
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How does the cooling effect of this "white-est paint" work?
Oct 28, 2021
Replies
3
Views
1K
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Estimating a thermal equilibrium on a custom made fridge
Oct 18, 2021
Replies
23
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2K
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Change of Variables in Thermodynamics
Oct 16, 2021
Replies
4
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2K
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Is the Equation h = u + (0.185)Pv Accurate for Converting Energy Units?
Oct 14, 2021
Replies
2
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2K
Is there a conflict between CPT symmetry and the 2nd law of thermodynamics?
Oct 11, 2021
Replies
1
Views
2K
Mathematical equation for the deviation from ideality of real gases
Oct 6, 2021
Replies
2
Views
950
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Why is Entropy defined as a fraction of heat over temperature?
Sep 29, 2021
Replies
45
Views
5K
B
Irreversible Process to Move Gas from State 1 to State 2
Sep 27, 2021
Replies
30
Views
2K
I
Looking for materials about ensemble average
Sep 20, 2021
Replies
1
Views
951
A
Volume constraint in micro-canonical derivation of statistical physics
Sep 20, 2021
Replies
3
Views
941
Heat bath and canonical ensembles
Sep 20, 2021
Replies
8
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3K
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Strange feature of BE, FD and Boltzmann distributions
Sep 17, 2021
Replies
6
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1K
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Compressing gas with piston: reasons for temperature increase?
Sep 14, 2021
Replies
5
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3K
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Entropy after removing partition separating gas into two compartments
Sep 4, 2021
Replies
9
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2K
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How Does Heat Transfer Impact Our Sensation of Temperature?
Aug 28, 2021
Replies
23
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2K
A
Can Raoult's Law Determine Boiling Points of Fuel Oil?
Aug 23, 2021
Replies
3
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2K
I
Thermodynamic Pros/Cons coating light metal tanks with rubber
Aug 20, 2021
Replies
7
Views
1K
Calculating temp rise caused by electric arc in an enclosed space
Aug 7, 2021
Replies
3
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2K
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Will entropy eventually destroy even an open and efficient system?
Jul 31, 2021
Replies
1
Views
858
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Is Mean Temp in 2 phase Heat Exchangers Higher Than Logarithmic Mean?
Jul 22, 2021
2
Replies
78
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4K
A
Equilibrium, entropy, probability - Release of constraints
Jul 22, 2021
Replies
2
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2K
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Heat capacity for a real gas using the ideal gas (zero pressure) equation
Jul 14, 2021
Replies
32
Views
4K
B
Lorenz COP of a heat pump and the temperatures of the hot/cold reservoirs
Jul 13, 2021
Replies
3
Views
3K
B
Maxwell-Boltzmann distribution under the influence of a gravitational field
Jul 7, 2021
Replies
2
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2K
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Volume of water consumed by vacuum
Jul 4, 2021
Replies
5
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2K
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Can a Heat Pump and Stirling Engine Create a Perpetual Energy Cycle?
Jul 2, 2021
Replies
6
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3K
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Entropy and Heat Capacity Relation
Jul 1, 2021
Replies
2
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1K
A
Solve Asymmetric Piston Problem for SL
Jul 1, 2021
Replies
5
Views
1K
I
Cycle of an air conditioner and power consumed
Jun 29, 2021
Replies
8
Views
2K
From weatherstation data to solar irradiation on specific surface
Jun 16, 2021
Replies
2
Views
1K
Connection between the two definitions of entropy
Jun 13, 2021
Replies
11
Views
2K
Heat Transfer - Critical Radius of Insulation
Jun 8, 2021
Replies
15
Views
2K
Temperature vs moisture content to sustain a fire in a given material?
Jun 6, 2021
Replies
5
Views
1K
Metals as Infrared Reflectors and their Temperature
May 30, 2021
Replies
1
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2K
EM re-radiation from a metal object (antennas)
May 29, 2021
Replies
14
Views
2K
A query about heat capacity and specific heat capacity
May 17, 2021
Replies
8
Views
2K
Instantaneous Gas Compression: temperature increase?
May 12, 2021
Replies
13
Views
2K
What's the deal with plasma physicists setting heat cap. ratio to 3?
May 1, 2021
Replies
2
Views
1K
Radiation leak test instruments
May 1, 2021
Replies
31
Views
3K
Heat conduction from an isotherm spherical cap
Apr 28, 2021
Replies
20
Views
2K
What exactly does the proposed 4th law of thermodynamics mean?
Apr 27, 2021
Replies
3
Views
1K
Your thoughts about the entropy of coal?
Apr 27, 2021
Replies
3
Views
1K
Calculating how much heat must be added to increase temp
Apr 27, 2021
Replies
1
Views
1K
The Draper point and why can't we see human radiation
Apr 24, 2021
Replies
14
Views
2K
Definition of a system in Boltzmann entropy
Apr 23, 2021
Replies
1
Views
1K
Sound Engineering: Why's it so hard to get things like timbre right?
Apr 22, 2021
Replies
8
Views
1K
Sensitivity of the liquid-in-glass thermometer
Apr 22, 2021
Replies
1
Views
4K
Why the temperature of a car does not increase with velocity?
Apr 19, 2021
Replies
10
Views
2K
What causes the peak in the thermal noise spectrum of an RLC circuit?
Apr 17, 2021
Replies
15
Views
2K
Absolute zeros other than temperature (e.g. pressure)
Apr 14, 2021
Replies
11
Views
1K
Thermodynamic Axioms: Establishing Temperature, Internal Energy & Entropy
Apr 9, 2021
Replies
1
Views
1K
How much radiation is too much?
Apr 7, 2021
Replies
18
Views
2K
Friction/heat kinetic energy - reactive force
Mar 29, 2021
2
Replies
73
Views
5K
Thermodynamics problem -- Pressure oscillations in a jar
Mar 17, 2021
Replies
7
Views
1K
Physical meaning of thermal conductivity tensor
Mar 9, 2021
Replies
2
Views
2K
How to do the calculations for a Wheatstone Bridge
Mar 5, 2021
Replies
15
Views
4K
Isothermal and adiabatic air compression -- different expressions
Feb 21, 2021
Replies
13
Views
3K
Life vs Entropy: Investigating an Unexpected Paradox
Feb 20, 2021
Replies
23
Views
2K
Wave frequency, medium and temperature
Feb 19, 2021
Replies
5
Views
2K
Entropy change for spontaneous/ irreversible gas expansion
Feb 14, 2021
Replies
4
Views
2K
Does Newton's Third law apply to torque/rotation?
Feb 7, 2021
3
Replies
127
Views
8K
Understanding Entropy: A Fresh Perspective from Brian Greene's Latest Book
Jan 29, 2021
Replies
3
Views
2K
Is it possible to calculate an incandescent bulb's temperature from V?
Jan 28, 2021
Replies
45
Views
16K
Impact of the engine thermostat temperature setting on engine efficiency
Jan 17, 2021
Replies
8
Views
3K
Why We Learn Reaumur Temperature Scale in High School Physics
Jan 8, 2021
Replies
24
Views
3K
Does Copper Conduct Heat Better than cPVC?
Jan 2, 2021
Replies
2
Views
1K
Understanding Enthalpy: Confusion Cleared Up | Thermodynamics Course"
Dec 31, 2020
Replies
14
Views
2K
Looking for a good introductory book on thermodynamics
Dec 31, 2020
Replies
3
Views
1K
Understanding the Laws of Thermodynamics as described by Feynman
Dec 30, 2020
Replies
4
Views
1K
Can you reverse entropy without using energy?
Dec 21, 2020
Replies
2
Views
1K
Thermodynamics of a Fire Resistant Safe
Dec 15, 2020
Replies
3
Views
1K
Is EM Radiation Present with Free vs Bound Electrons?
Dec 8, 2020
2
Replies
58
Views
3K
Evolution — information increase and entropy
Dec 1, 2020
2
Replies
57
Views
5K
Stability and concavity of the entropy function
Dec 1, 2020
Replies
3
Views
3K
Can Heat Transfer Through Conduction Occur at Relativistic Speeds?
Nov 9, 2020
Replies
2
Views
1K
Heating up water versus water with an iron brick
Oct 28, 2020
Replies
7
Views
2K
If pressure decreases, does temperature then decrease?
Oct 27, 2020
Replies
17
Views
13K
"Where’s your second law of thermodynamics now?"
Oct 26, 2020
Replies
13
Views
2K
First law of Thermodynamics and energy conservation
Oct 21, 2020
Replies
4
Views
1K
Kelvin-Planck 2nd Law of Thermo & a Syringe Steam Engine
Oct 20, 2020
Replies
26
Views
3K
How Does a Thermos Bottle Work?
Oct 20, 2020
Replies
24
Views
3K
Temperature of a Solar panel in space
Oct 20, 2020
Replies
9
Views
2K
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