Abstract
The article shows that the amount of motive force of the traction nozzle is directly affected by the total pressure recovery factor in the flow part of the jet-reactive turbine and its elements, which characterizes the energy losses. The effect of various gas-dynamic and geometric parameters on the total pressure recovery factor in the flow part of the jet-reactive turbine is studied. In order to increase the total pressure recovery factor in the flow part of the jet-reactive turbine, it is necessary to install a diffuser sleeve with a cylindrical part where there is a transition from a supersonic flow velocity to a subsonic flow and a diffuser part where a further subsonic flow velocity decreases. Element-by-element analysis of gas flow in the flowing part of the jet reactive turbine with a diffuser sleeve at the entrance to the rotor is performed. It is established that the reduced flow velocity at the inlet to the rotor should be as low as possible, based on the location of the shock wave in the inlet part of the diffuser sleeve, and the opening angle of the diffuser part of the diffuser sleeve should be no more than 10°.
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Vanyeyev, S., Meleychuk, S., Baga, V., Rodymchenko, T. (2019). Effect of the Parameters at the Inlet to the Rotor of the Jet-Reactive Turbine on Its Efficiency. In: Ivanov, V., et al. Advances in Design, Simulation and Manufacturing. DSMIE 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-93587-4_41
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DOI: https://doi.org/10.1007/978-3-319-93587-4_41
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