Carnot Heat Engines, Efficiency, Refrigerators, Pumps, Entropy, Thermodynamics - Second Law, Physics
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- Опубликовано: 4 июл 2024
- This physics tutorial video shows you how to solve problems associated with heat engines, carnot engines, efficiency, work, heat, refrigerators, heat pumps and entropy. It discusses the concepts of the first and second law of thermodynamics. This video contains plenty of examples and practice problems.
Carnot Cycle:
ttps:// • Carnot Cycle & Heat En...
Otto Cycle:
• Otto Cycle of Internal...
Refrigerators and Heat Pumps:
• Refrigerators, Heat Pu...
Entropy:
• Entropy Change For Mel...
Physics 1C Final Exam Review:
• Physics 1C Final Exam ...
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Physics 2 - Basic Introduction:
• Physics 2 - Basic Intr...
Electric Charge - Physics:
• Electric Charge - Physics
Conservation of Electric Charge:
• Law of Conservation of...
Coulomb's Law and Electric Force:
• Coulomb's Law - Net El...
Electric Fields:
• Electric Field Due To ...
Electric Dipole Moment:
• Electric Dipole Moment...
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Electric Flux:
• Electric Flux, Gauss's...
Gauss Law Problems:
• Gauss Law Problems, In...
Electric Potential:
• Electric Potential
Equipotential Lines:
• Equipotential Lines & ...
The Electron Volt:
• Electron Volt Explaine...
Electric Potential Energy:
• Electric Potential Energy
Physics PDF Worksheets:
www.video-tutor.net/physics-b...
Final Exams and Video Playlists: www.video-tutor.net/
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Entropy starts at 56:17
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First of all, WOW!! So helpful! I'm a little confused about the ideal gas problem - So in my ChemE thermo class we talk about the entropy change of an ideal gas as delta S = integral of Cp*dT/T - ln(P/P0)*R. Now this would equal zero for a reversible process, but nowhere in the problem does this say that it is reversible and the only ispentropic processes are reversible and adiabatic. I'm not sure what to think because your reasoning makes sense here but I'm sure if you have an irreversible adiabatic process there's an entropy change, as all irreversible processes have entropy changes. This is quite a thinker...
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In 19:19, why the unit is J?
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When work is done on the system, to compress the gas, the work is positive because it is added into the system.
There are different sign conventions. The heat engine sign convention assigns work as positive when the system provides the work, and heat as positive when it is added to the system.
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This is Amazing! What’s the difference between Ql and Qc please?
Ql means heat LOST , Qc means heat from the COLD reservoir or to the COLD reservoir
Lmk if u understand
How to solve this?👇
indoor heater operating on the Carnot cycle is warming the house up at a rate of 30 kJ/s to maintain the indoor temperature at 72 ºF. What is the power operating the heater if the outdoor temperature is 30 ºF?