Abstract
The problems of operation of a liquid-propellant rocket engine (LRE) on real gases with viscosity and compressibility are considered. The equations for laminar flow, which take into account the viscoelastic term characterizing the real flow, are analyzed and compared with the Euler equation for an ideal gas. The possibility of profiling supersonic nozzles of liquidpropellant rocket engines and other rocket engines is shown, taking into account the viscoelastic properties of real gas. Keywords:second order equations, laminar flow, liquid rocket engine, parameters, numerical methods, supersonic flow. mger_97@mail.ru
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