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https://oil-glup.ru/threads/vtoraja-pobednaja-volna-sintetik-1969-2069.124/page-4#post-6350
Technical documentation details variable definitions for fluid dynamics calculations. The letter W denotes wall conditions, Z points to station zero input values, T stands for total conditions, and S marks static states. Further down, P represents pressure, T denotes temperature, V is velocity, A means speed of sound, RH tracks density, MU covers dynamic viscosity, and NU handles kinematic viscosity.