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1. The perfect gas
1.1 Definitions and advantages of the perfect gas
The perfect gas is the simplest possible fluid model. It has two complementary definitions, depending on whether the macroscopic or microscopic aspect is considered. It is also a reference fluid whose properties are easy to calculate.
1.1.1 Macroscopic and microscopic definitions of the perfect gas
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At the macroscopic level, a perfect gas is a fluid for which temperature T, pressure...
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The perfect gas
Real fluids
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