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When will the entropy of universe(an isolated system) stop increasing?
Sep 27, 2010
Replies
1
Views
3K
Resolving the Paradox of Entropy and Energy
Sep 26, 2010
Replies
33
Views
7K
Can a Real-World Carnot Engine Achieve Carnot Efficiency?
Sep 25, 2010
Replies
5
Views
3K
Entropy & Enthelpy - A Weird Deduction from Class
Sep 25, 2010
Replies
20
Views
8K
No change in entropy of the system+surroundings in reversible process.Really?
Sep 25, 2010
Replies
2
Views
2K
Open & Closed/Thermodynamic proofing
Sep 23, 2010
Replies
1
Views
2K
Contradiction/breach 2nd law? Simply with carnot engine + negative temperature
Sep 23, 2010
3
Replies
116
Views
16K
Estimation of diffuse and direct radiation starting from the global radiation
Sep 22, 2010
Replies
1
Views
4K
Constant volume Specific heat and internal energy relationship in nonideal gas.
Sep 22, 2010
Replies
1
Views
5K
Measuring Heating Power at High Temperatures
Sep 22, 2010
Replies
9
Views
5K
Solvation Heat Pump Introduction | Thermodynamics Understanding
Sep 22, 2010
Replies
4
Views
3K
How can air displacement balance out forces in Newton's third law?
Sep 21, 2010
Replies
12
Views
8K
A few questions on Thermodynamics
Sep 21, 2010
Replies
17
Views
4K
University thermodynamics fundamental equation/identity derivation.
Sep 21, 2010
Replies
2
Views
4K
Heat from an infinite reservoir?
Sep 20, 2010
Replies
7
Views
4K
What Technologies Can Supply High Temperatures and Where Are They Needed?
Sep 20, 2010
Replies
15
Views
7K
Thermal expansion of a metal round disk with hole in the middle
Sep 17, 2010
Replies
3
Views
20K
What is the difference between adding heat and adding cold?
Sep 17, 2010
2
Replies
60
Views
14K
Questions RE: radiation pressure
Sep 14, 2010
Replies
6
Views
2K
Rectennas and 2nd law of thermodynamics
Sep 14, 2010
Replies
9
Views
4K
Maximal Entrop, Temperature & Energy Transfer
Sep 14, 2010
Replies
4
Views
2K
Temperature of Water in a Moving Plane
Sep 13, 2010
Replies
3
Views
2K
(Hopefully) simple thermodynamics question
Sep 13, 2010
Replies
1
Views
1K
Differentials in the context of thermodynamics
Sep 13, 2010
Replies
7
Views
3K
Zeh: Basics of Basics of Thermodynamics, yet really confused
Sep 12, 2010
Replies
5
Views
3K
Seeking Info on Plasma Propulsion Engine Design
Sep 12, 2010
Replies
8
Views
4K
Thermodynamics Basics: Questions Answered
Sep 11, 2010
2
Replies
50
Views
11K
Can Entropy of an Ideal Gas Decrease?
Sep 8, 2010
Replies
3
Views
2K
How does a laser heat up a material?
Sep 7, 2010
Replies
1
Views
4K
What's the difference between isothermal and adiabatic processes?
Sep 7, 2010
Replies
3
Views
7K
How Does a Thermostat Activate Heating?
Sep 6, 2010
Replies
3
Views
5K
Thermodynamics issue with absorption heat pumps
Sep 5, 2010
Replies
1
Views
2K
What caused the increase in entropy after the Big Bang?
Sep 5, 2010
Replies
9
Views
8K
Schaums Outline: Entropy Ques - Tmp Not Constant
Sep 5, 2010
Replies
4
Views
2K
Flywheel Energy Storage and small engine
Sep 4, 2010
Replies
7
Views
5K
Problem with Newtons second law
Sep 3, 2010
Replies
3
Views
2K
Effect of air flow on temperature inside box
Sep 3, 2010
Replies
1
Views
2K
Water Temperature gain calculation
Sep 2, 2010
Replies
9
Views
5K
What determines the specific heat capacity of a given substance?
Sep 2, 2010
Replies
2
Views
15K
Black Body Radiation: Info for Non-Quantum Physicists
Sep 1, 2010
Replies
1
Views
2K
What is Infared and Ultraviolet radiation responsible for?
Sep 1, 2010
Replies
7
Views
3K
Can a Black Body Emit Only One Photon After Being Hit By a Single Photon?
Sep 1, 2010
Replies
5
Views
3K
What is the recommended voltage for Kapton flexible heaters wired in parallel?
Aug 31, 2010
Replies
3
Views
3K
1D Heat equation, numerical solution with ONLY one heat source
Aug 25, 2010
Replies
1
Views
4K
Carbon Dioxide Thermodynamic tables
Aug 24, 2010
Replies
2
Views
5K
Isothermal expansion/compression
Aug 24, 2010
Replies
4
Views
7K
Understanding Thermal Energy: Exploring the Definition and Use of kT in Physics
Aug 24, 2010
Replies
9
Views
16K
Trouble understanding Newtons first law and f=ma
Aug 22, 2010
Replies
3
Views
3K
Average wavelength for blackbody radiation
Aug 21, 2010
Replies
4
Views
9K
Blended metal bullets; much heat after impact? Can anyone tell me?
Aug 19, 2010
Replies
8
Views
11K
Decrease in entropy and 2nd Law of Thermodynamics
Aug 19, 2010
Replies
4
Views
7K
How to protect yourself from radiation?
Aug 18, 2010
Replies
14
Views
26K
Strange behavior of thermal expansion and resistivity equations
Aug 16, 2010
Replies
2
Views
3K
Optics thought experiment and 2nd law of thermodynamics
Aug 14, 2010
Replies
15
Views
4K
How do I calculate energy extraction in a heat engine?
Aug 13, 2010
Replies
11
Views
6K
Do Reference Frames Affect Thermal Equilibrium and Temperature Observations?
Aug 9, 2010
Replies
6
Views
4K
Ideal thermal efficiency impossible?
Aug 9, 2010
Replies
3
Views
2K
Hot air balloon thermodynamics
Aug 8, 2010
Replies
3
Views
6K
Newtons first law and inertial reference systems. (noob)
Aug 8, 2010
Replies
4
Views
3K
Why is entropy an irreversible process?
Aug 7, 2010
Replies
6
Views
3K
Heat loss due to Evaporation in a closed environment
Aug 6, 2010
Replies
4
Views
4K
Do spherical ovens conserve heat better than others?
Aug 4, 2010
Replies
2
Views
2K
How do things expand (due to heat)?
Aug 3, 2010
Replies
5
Views
7K
Harnessing the power of heat? [discussion]
Aug 3, 2010
Replies
12
Views
5K
Life & Entropy: Is Life a Low-Entropy System?
Aug 1, 2010
Replies
2
Views
2K
Uncovering the Mystery of Electrolytic Cells: The Truth About Free Energy
Jul 31, 2010
Replies
3
Views
2K
Is There a Maximum Limit to Entropy Increase in an Expanding Universe?
Jul 31, 2010
Replies
5
Views
2K
What is the differential equation for a time-constant calorimetry experiment?
Jul 31, 2010
Replies
1
Views
2K
Apparent 2nd law violation? (thermodynamics)
Jul 30, 2010
Replies
38
Views
6K
Another Simple Heat Loss Question
Jul 28, 2010
Replies
1
Views
2K
Fluid heat transfer problem, please advise. Thanks
Jul 25, 2010
Replies
1
Views
2K
Doubts regarding conversion of mechanical work to heat
Jul 25, 2010
Replies
20
Views
4K
Does an LC Circuit Radiate Energy?
Jul 25, 2010
Replies
6
Views
4K
Isothermal Process: Constant Temperature & Internal Energy
Jul 25, 2010
Replies
7
Views
4K
Can Gravity Absorb Heat Energy?
Jul 22, 2010
Replies
8
Views
3K
Why is 100% efficiency impossible for heat engines?
Jul 22, 2010
Replies
9
Views
7K
Car Exhaust Heat: Convectional or Radiated?
Jul 21, 2010
Replies
3
Views
3K
Kinetic energy, heat, and reference frame
Jul 21, 2010
Replies
3
Views
3K
Mechanical motion VS thermal motion
Jul 20, 2010
Replies
4
Views
3K
Latent heat and colligative properties
Jul 20, 2010
Replies
2
Views
4K
Help Heat Conduction into a gas
Jul 19, 2010
Replies
1
Views
2K
Carnot cycle with efficiency > 1
Jul 18, 2010
Replies
5
Views
4K
Using the specific heat of any substance
Jul 18, 2010
Replies
3
Views
2K
Does Helium Expands Faster than Air When Heated?
Jul 18, 2010
Replies
2
Views
9K
Second law of thermodynamic and probability
Jul 16, 2010
Replies
1
Views
2K
Thermodynamic properties of ideal gases
Jul 16, 2010
Replies
7
Views
31K
How Are the Two Formulations of the Third Law of Thermodynamics Equivalent?
Jul 16, 2010
Replies
7
Views
4K
How Does Isothermal Expansion Increase Entropy Despite Quantized Energy Levels?
Jul 15, 2010
Replies
2
Views
3K
Maximum temp possible with a constant heat source?
Jul 14, 2010
Replies
4
Views
3K
Cooling thermocouples junction
Jul 14, 2010
Replies
3
Views
2K
Can Thermocouple Junctions Cool Down When Supplied with Current?
Jul 14, 2010
Replies
4
Views
2K
Optimizing Heat Transfer: Oil Bath Heat Exchanger for Water Bath Heating
Jul 13, 2010
Replies
4
Views
6K
Will I Freeze or Burn in Outer Space? A Look at Heat Transfer in Space
Jul 12, 2010
Replies
31
Views
8K
Why Does Glass Increase Heat Loss in Aquariums Compared to Air?
Jul 12, 2010
Replies
14
Views
4K
How Planck explained black body radiation
Jul 10, 2010
Replies
3
Views
6K
Beck, H.L. The physics of Environmental Radiation Fields
Jul 10, 2010
Replies
2
Views
2K
Question about insulation and heat transfer
Jul 10, 2010
Replies
2
Views
2K
Neutral Body Radiation - Does it Emit Electromagnetic Radiation?
Jul 7, 2010
Replies
7
Views
3K
Calculating the heating effect of a Class IV laser
Jul 6, 2010
Replies
2
Views
3K
Figuring Out Time Required to Heat a Mass at Differing Temperatures
Jul 6, 2010
Replies
3
Views
2K
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