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The Effect of a Casing Step on the Over-Tip Aerothermodynamics of a Transonic HP Turbine Stage

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posted on 2023-06-08, 09:54 authored by Gregory A Thomas, Nicholas R Atkins, Steven J Thorpe, Roger W Ainsworth, Neil W Harvey
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History

Publication status

  • Published

Pages

5.0

Presentation Type

  • paper

Event name

American Society of Mechanical Engineers (ASME) Turbo Expo 2007, May 14-17, Montreal, Canada.

Event location

Montreal, Canada

Event type

conference

Department affiliated with

  • Engineering and Design Publications

Notes

Severe thermal loading of the casing in a gas-turbine engine is a problem for all manufacturers. The lack of representative data and understanding has led to component failures during engine development costing of the order ~£2M (toby.kohler@rolls-royce.com). Building on award winning work by the group this paper demonstrates a 30% heat load reduction and insight/explanation of the previously undocumented mechanisms. A further £183k (1yr, Prof. Ainsworth PI, University of Oxford) has since been invested in follow-on research. As well as sponsors Rolls-Royce (neil.harvey@rolls-royce.com), the work has attracted international interest. Selected by conference chair for ASME Journal of Turbomachinery.

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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