Abstract
The rocket engine turbopump is the high-rotational speed and high-power turbomachinery to feed the propellant from the tank to the combustion chamber. Lateral vibration on turbopump rotor is a very serious problem and it has brought about the unplanned reworks in the development phase. In order to avoid these rework process, we have proposed the morphology design method in the upstream design phase. This design method is characterized by considering the layout and permutation of the elements (inducer, impeller, turbine, bearing, seal, etc.) as design parameter. In this paper, the adopting results to the liquid hydrogen turbopump by using the morphology design method are presented, and the usability of this method is described.
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