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Theory versus experiment for the rotordynamic coefficients of annular gas seals. I - Test facility and apparatusA facility and apparatus are described for determining the rotordynamic coefficients and leakage characteristics of annular gas seals. The coefficients and leakage characteristics of annular gas seals. The apparatus has a current top speed of 8000 cpm with a nominal seal diameter of 15.24 cmn (6 in.). The air supply unit yields a seal pressure ratio of approximately 7. An external shaker is used to excite the test rotor. The capability to independently calculate all rotordynamic coefficients at a given operating condition with one excitation frequency are discussed.
Document ID
19860039743
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Childs, D. W. (Texas A&M Univ. College Station, TX, United States)
Nelson, C. E. (Texas A&M Univ. College Station, TX, United States)
Nicks, C. (Texas A&M Univ. College Station, TX, United States)
Scharrer, J. (Texas A&M Univ. College Station, TX, United States)
Elrod, D. (Texas A & M University College Station, United States)
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Subject Category
Mechanical Engineering
Report/Patent Number
ASME PAPER 85-TRIB-1
Accession Number
86A24481
Funding Number(s)
CONTRACT_GRANT: F49620-82-K-0033
CONTRACT_GRANT: NAG3-181
Distribution Limits
Public
Copyright
Other

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