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Learn Engineering Thermodynamics from Scratch
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Module 7
The Second Law: The Direction of Time
1
Beyond the First Law: Why We Need a Second
Explain why the First Law is insufficient for predicting processes and why a Second Law is necessary.
2
Thermal Energy Reservoirs and Heat Engine Components
Describe a thermal energy reservoir and the basic components of a heat engine.
3
Kelvin-Planck and Engine Efficiency
State the Kelvin-Planck statement of the Second Law and explain its implication for heat engine efficiency.
4
How Refrigerators and Heat Pumps Work
Describe the operation of refrigerators and heat pumps.
5
The Clausius Statement and Heat Transfer Direction
State the Clausius statement of the Second Law and explain its implication for heat transfer from cold to hot.
6
Understanding Thermal Efficiency and COP
Define thermal efficiency for heat engines and coefficient of performance (COP) for refrigerators and heat pumps.
Previous module
Properties of Pure Substances
Next module
Reversibility and the Carnot Cycle