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An experimental study of three-dimensional turbine blades combined with profiled endwalls

Bagshaw, DA; Ingram, GL; Gregory-Smith, DG; Stokes, MR

Authors

DA Bagshaw

DG Gregory-Smith

MR Stokes



Abstract

This paper presents a detailed series of measurements on a novel design for reducing secondary flow in a linear cascade. The design of this geometry, which features profiled endwalls and three-dimensional blade shaping was discussed in a companion paper [1]. This paper presents the results of static pressure measurements on the blade surface, pneumatic pressure probe traverses, and surface oil flow visualization in order to build a comprehensive picture of the geometry's performance and function. Although the interactions between blade shaping and profiled endwalls are complex the experimental results show benefits over applying profiled endwalls alone.

Citation

Bagshaw, D., Ingram, G., Gregory-Smith, D., & Stokes, M. (2008). An experimental study of three-dimensional turbine blades combined with profiled endwalls. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 222(1), 103-110. https://doi.org/10.1243/09576509jpe478

Journal Article Type Article
Publication Date Feb 1, 2008
Deposit Date Oct 17, 2011
Journal Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy
Print ISSN 0957-6509
Electronic ISSN 2041-2967
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 222
Issue 1
Pages 103-110
DOI https://doi.org/10.1243/09576509jpe478
Keywords Secondary flow, Profiled endwalls, Turbomachinery, Blade design, Turbines, Nonaxisymmetric.

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