Improved Dynamic Modeling of a SpaceShuttle Turbo-Pump 770960

The dynamic response of turbo-pumps has traditionally been modeled mathematically using electrical networks. A recently developed computer program is used herein to adjust the model parameters (L - inductance, R - resistance, C - capacitance, etc.) of the electrical network in an attempt to bring the analytical response of the network into closer agreement with newly-available experimental results. Results are presented for a fully-wetted (non-cavitating) test of a Space-Shuttle Turbo-Pump and a significant improvement in the dynamic model is achieved.


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