Computation of Potential Flow on S2 Stream Surface for a Transonic Axial-Flow Compressor Rotor

A set of conservative full potential function equations governing the fluid flow along a given S2 streamsurface in a transonic axial compressor rotor was obtained. By the use of artificial density and a potential function/density iteration, this set of equations can be solved, and the passage shock...

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Bibliographic Details
Published in:Journal of engineering for gas turbines and power 1985-04, Vol.107 (2), p.323-328
Main Authors: Lu¨, Pan-Ming, Wu, Chung-Hua
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical engineering. Machine design
Pump and compressors (turbocompressors, fans, etc.)
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Summary:A set of conservative full potential function equations governing the fluid flow along a given S2 streamsurface in a transonic axial compressor rotor was obtained. By the use of artificial density and a potential function/density iteration, this set of equations can be solved, and the passage shock on the S2 streamsurface can be captured. A computer program for this analysis problem has been developed and used to compute the flow field along a mean S2 streamsurface in the DFVLR transonic axial compressor rotor. A comparison of computed results with DFVLR L2F measurement at 100 percent design speed shows fairly good agreement.
ISSN:0742-4795
1528-8919
DOI:10.1115/1.3239722