Design Procedure of a Turbopump Test Bench

Julian D Pauw (1) , Lucrezia Veggi (1) , Bernd Wagner (2) , Joydip Mondal (3, 1) , Maximilian Klotz (1) , Oskar Haidn (1)

1 TUM - Technische Universität Munchen - Technical University Munich - Université Technique de Munich
2 DLR - German Aerospace Center
3 IIT Kharagpur - Indian Institute of Technology Kharagpur

The high complexity of turbopumps for liquid rocket engines and their demanding requirements necessitate that their design process is accompanied by extensive experimental investigations and validation tests. is paper presents the design procedure for a rocket turbopump test bench, where water is used as a surrogate for the cryogenic fluids usually used in rocket engines. Scaling methods, that allow for a comparison of tests under varying conditions, are reviewed from literature and applied to derive the necessary dimensions of the test bench. The resulting test bench design is shown in detail and its capabilities to support the turbopump design process are assessed. Further, the operational envelope of the derived test bench design is evaluated with respect to later tests of different pumps.

Mots clés: turbopump; liquid oxygen scaling; test bench design

Domaines: Mécanique des structures [physics.class-ph]

Julian D Pauw, Lucrezia Veggi, Bernd Wagner, Joydip Mondal, Maximilian Klotz, et al.. Design Procedure of a Turbopump Test Bench. 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC2017), Dec 2017, Maui, United States. ⟨hal-02419962⟩