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Avoiding leakage flow-induced vibration by a tube-in-tube slip joint [electronic resource].

Published:
Argonne, Ill. : Argonne National Laboratory, 1985.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 33 : digital, PDF file
Additional Creators:
Argonne National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Parameters and operating conditions (a stability map) were determined for which a specific slip-joint design did not cause self-excited lateral vibration of the two cantilevered, telescoping tubes forming the joint. The joint design featured a localized annular constriction. Flowrate, modal damping, tube engagement length, and eccentric positioning were among the parameters tested. Interestingly, all self-excited vibrations could be avoided by following a simple design rule: place constrictions only at the downstream end of the annular region between the tubes. Also, overall modal damping decreased with increased flowrate, at least initially, for upstream constrictions while the damping increased for downstream constrictions.
Report Numbers:
E 1.99:conf-850926-2
conf-850926-2
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
01/01/1985.
"conf-850926-2"
"DE85006228"
ASME vibration and sound conference, Cincinnati, OH, USA, 10 Sep 1985.
Mulcahy, T.M.
Funding Information:
W-31-109-ENG-38
View MARC record | catkey: 14801974