Computer Science – Performance
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.480..305r&link_type=abstract
In: Proceedings of the 9th European Space Mechanisms and Tribology Symposium, 19-21 September 2001, Liège, Belgium. Compiled by
Computer Science
Performance
Tribology
Scientific paper
The purpose of this paper is to report on the current status of, and updates to, three well-established ESTL/TM design aids and tools which are frequently used in the design of spacecraft mechanisms. The design aids covered are: - Space Tribology Handbook - DOLLS: a database on space oils and greases - CABARET: a ball bearing analysis code. The Space Tribology Handbook has become established as the definitive guide to space tribology. This paper reports on updates made to the Handbook and the plans to incorporate it into ECSS Guidelines. The database known as DOLLS provides the fundamental information needed for selection of a fluid lubricant for space applications. The database is being upgraded to include details on new oils and greases and, where available, new data on the characteristics of listed fluid lubricants. The bearing analysis code, CABARET, allows the prediction of bearing performance for a range of applications from low-speed mechanisms to high-speed turbo-pumps. Its predictive capabilities include torque, contact stress, stiffness thermal effects, cage motion, and fatigue life. Each design aid and its current status are discussed further.
Lewis S. D.
Roberts E. W.
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