'Compressible substance' diaporamas de présentation

The First Law of Thermodynamics

The First Law of Thermodynamics. Open System (Control Volume). First low of thermodynamics for open Systems. Reminder of an open System. Open system = Control volume It is a properly selected region in space. Mass and energy can cross its boundary.

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Entropy

Entropy. Cengel & Boles, Chapter 6. Entropy. From the 1st Carnot principle: this is valid for two thermal reservoirs. The Clausius Inequality. For a system undergoing a cycle and communicating with N thermal reservoirs, it can be shown that

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Online Thermodynamics Property Evaluator

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