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Effect of cooling injection on transonic tip flows

Effect of cooling injection on transonic tip flows
Effect of cooling injection on transonic tip flows
In this paper, the effect of cooling injection on the aerodynamics of tip flows in transonic turbines is investigated. Experiments are performed using an idealized model of a transonic tip flow. Schlieren photography, probe, and surface pressure measurements are used to determine the transonic tip flow structure and to validate the computational method. Computational simulations are performed to investigate the effects of cooling injection in a transonic blade environment. The results show that cooling injection has the potential to reduce overtip leakage loss.
0748-4658
1-8
Wheeler, Andrew P. S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a
Saleh, Zainab
3cc1497a-6ebe-4315-b135-32e041d0fb69
Wheeler, Andrew P. S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a
Saleh, Zainab
3cc1497a-6ebe-4315-b135-32e041d0fb69

Wheeler, Andrew P. S. and Saleh, Zainab (2013) Effect of cooling injection on transonic tip flows. Journal of Propulsion and Power, n/a, 1-8. (doi:10.2514/1.B34657).

Record type: Article

Abstract

In this paper, the effect of cooling injection on the aerodynamics of tip flows in transonic turbines is investigated. Experiments are performed using an idealized model of a transonic tip flow. Schlieren photography, probe, and surface pressure measurements are used to determine the transonic tip flow structure and to validate the computational method. Computational simulations are performed to investigate the effects of cooling injection in a transonic blade environment. The results show that cooling injection has the potential to reduce overtip leakage loss.

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More information

Published date: October 2013
Organisations: Aeronautics, Astronautics & Comp. Eng, Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 359446
URI: http://eprints.soton.ac.uk/id/eprint/359446
ISSN: 0748-4658
PURE UUID: c857f688-807d-4061-9c51-0fe25ae4cb72

Catalogue record

Date deposited: 01 Nov 2013 14:58
Last modified: 14 Mar 2024 15:22

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Contributors

Author: Andrew P. S. Wheeler
Author: Zainab Saleh

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