Cryogenic Fluid Film Bearing Tester Development Study

Download or read book Cryogenic Fluid Film Bearing Tester Development Study written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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...