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Calculation of Fluid Motion in Axial Flow Turbomachines PUBLIC ACCESS

[+] Author Affiliations
D. J. L. Smith, J. F. Barnes

British Ministry of Technology, Hampshire, England

Paper No. 68-GT-12, pp. V001T01A012; 9 pages
doi:10.1115/68-GT-12
From:
  • ASME 1968 Gas Turbine Conference and Products Show
  • ASME 1968 Gas Turbine Conference and Products Show
  • Washington, DC, USA, March 17–21, 1968
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7987-0
  • Copyright © 1968 by ASME

abstract

In the last few years considerable progress has been made in calculating the three-dimensional flows through turbomachines. The two methods which appear to be widely used are what have come to be known as the “Streamline Curvature” and the “Matrix Through Flow” methods. At the National Gas Turbine Establishment, these advanced methods have been applied to existing turbomachines and this paper presents some of the calculated and experimental results for four axial flow machines. By making use of fairly simple loss distributions it has been found that these methods can assist towards the understanding of observed phenomena and, in the case of the axial compressor, they offer some prospect of being able to calculate the onset of surge. Also included is a brief report of work in progress to generate a computer program for the solution of the compressible velocity distribution around the surfaces of turbomachine blades, together with an indication of possible future experimental work.

Copyright © 1968 by ASME
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