Abstract

This paper discusses the testing and performance evaluation of a liquid oxygen and nitrogen turbopump whose rotor is entirely supported by foil bearhgs. The objectives of the program were to evaluate the life and operational characteristics of a foil bearing turbopump. The tests have successfully shown the long life and debris tolerance of foil bearings in a turbopump environment, by operating for more than 90 min, with Over 100 start and stop cycles and a wide speed range. --

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