Cryogenic Fluid Film Bearing Tester Development Study
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Cryogenic Fluid Film Bearing Tester Development Study
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 50 |
Release | : 2018-07 |
Genre | : |
ISBN | : 9781722138714 |
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Conceptual designs were developed for the determination of rotordynamic coefficients of cryogenic fluid film bearings. The designs encompassed the use of magnetic and conventional excitation sources as well as the use of magnetic bearings as support bearings. Test article configurations reviewed included overhung, floating housing, and fixed housing. Uncertainty and forced response analyses were performed to assess quality of data and suitability of each for testing a variety of fluid film bearing designs. Development cost and schedule estimates were developed for each design. Facility requirements were reviewed and compared with existing MSFC capability. The recommended configuration consisted of a fixed test article housing centrally located between two magnetic bearings. The magnetic bearings would also serve as the excitation source. Scharrer, Joseph K. (Editor) and Murphy, Brian T. and Hawkins, Lawrence A. Unspecified Center NASA ORDER H-19675-D...
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