Equation Of State
Equation of State (EOS) is a mathematical model that describes the thermodynamic properties of a substance, such as pressure, temperature, volume, and internal energy, as a function of one or more independent variables. In the context of space and astronautical engineering, EOS is used to model the behavior of gases and fluids under extreme conditions, such as those encountered in rocket engines, spacecraft propulsion systems, and planetary atmospheres. EOS is essential for designing and optimizing propulsion systems, predicting the performance of spacecraft, and simulating the behavior of planetary atmospheres. There are various types of EOS models, including ideal gas law, Van der Waals equation, Peng-Robinson equation, and Redlich-Kwong equation, each with its own set of assumptions and limitations.
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