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Presentation of computer code SPIRALI for incompressible, turbulent, plane and spiral grooved cylindrical and face sealsA viewgraph presentation is made showing the capabilities of the computer code SPIRALI. Overall capabilities of SPIRALI include: computes rotor dynamic coefficients, flow, and power loss for cylindrical and face seals; treats turbulent, laminar, Couette, and Poiseuille dominated flows; fluid inertia effects are included; rotor dynamic coefficients in three (face) or four (cylindrical) degrees of freedom; includes effects of spiral grooves; user definable transverse film geometry including circular steps and grooves; independent user definable friction factor models for rotor and stator; and user definable loss coefficients for sudden expansions and contractions.
Document ID
19950007171
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Walowit, Jed A. (Walowit (Jed A.), Inc. Clifton Park, NY, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1994
Publication Information
Publication: NASA. Lewis Research Center, Seals Flow Code Development 1993
Subject Category
Mechanical Engineering
Accession Number
95N13584
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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