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TURBINE BLADE LEADING EDGE IMPINGEMENT COOLING FROM NORMAL OR TANGENTIAL JETS WITH CROSSFLOW EFFECT

Nian Wang, Mingjie Zhang, Sulaiman Alsaleem, Lesley M. Wright, Je-Chin Han*

Turbine Heat Transfer Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, Texas, 77843, USA

* Corresponding Author: Email: email

Frontiers in Heat and Mass Transfer 2019, 13, 1-13. https://doi.org/10.5098/hmt.13.9

Abstract

This study investigates turbine blade, leading edge cooling from normal or tangential impinging jets. These jets impinging on a semi-cylindrical, inner surface are constrained to discharge in a single direction. The downstream jets are affected by the crossflow originating from the upstream jets. To understand the thermal flow physics, numerical simulations are performed using the realizable k- turbulence model. Both the experimental and numerical results show crossflow is more detrimental to normal impinging jets than the tangential jets. Furthermore, with a significant temperature drop across the jet plate, designers must correctly interpret jet impingement results.

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APA Style
Wang, N., Zhang, M., Alsaleem, S., Wright, L.M., Han, J. (2019). TURBINE BLADE LEADING EDGE IMPINGEMENT COOLING FROM NORMAL OR TANGENTIAL JETS WITH CROSSFLOW EFFECT. Frontiers in Heat and Mass Transfer, 13(1), 1-13. https://doi.org/10.5098/hmt.13.9
Vancouver Style
Wang N, Zhang M, Alsaleem S, Wright LM, Han J. TURBINE BLADE LEADING EDGE IMPINGEMENT COOLING FROM NORMAL OR TANGENTIAL JETS WITH CROSSFLOW EFFECT. Front Heat Mass Transf. 2019;13(1):1-13 https://doi.org/10.5098/hmt.13.9
IEEE Style
N. Wang, M. Zhang, S. Alsaleem, L.M. Wright, and J. Han "TURBINE BLADE LEADING EDGE IMPINGEMENT COOLING FROM NORMAL OR TANGENTIAL JETS WITH CROSSFLOW EFFECT," Front. Heat Mass Transf., vol. 13, no. 1, pp. 1-13. 2019. https://doi.org/10.5098/hmt.13.9



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