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Numerical Simulations on Film Cooling Effectiveness from Two Staggered Rows of Coolant Jets

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Fluid-Structure-Sound Interactions and Control (FSSIC 2017)

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Abstract

This paper reports numerical simulations of the film cooling performance and flow structure from two staggered rows of coolant jets. The RANS modeling is conducted for the cases that are validated by and matched to the measurements of Sinha et al. (J Turbomach 113:442, 1991) [8]. The cooling effectiveness of two rows of jets is calculated for blowing ratios of 0.5 and 1.0. It is found that the interaction of counter-rotating vortex pairs (CRVPs) generated by two rows of jets enhances the cooling effectiveness significantly. Moreover, the calculations quantify the contribution from each row of coolant jets to the overall cooling performance and find that the second row makes more contribution than does the first row.

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References

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Acknowledgements

The support of National Key Research and Development Program of China (No.: 2016YFB0600605) is gratefully acknowledged.

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Authors and Affiliations

  1. Department of Energy & Resource Engineering, College of Engineering, Peking University, Beijing, China

    Z. Shu, C. Dai & J. Mi

Authors
  1. Z. Shu
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  2. C. Dai
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  3. J. Mi
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Corresponding author

Correspondence to J. Mi .

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Editors and Affiliations

  1. Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, China

    Yu Zhou

  2. Nihon University, Tokyo, Japan

    Motoaki Kimura

  3. Nihon University, Tokyo, Japan

    Guoyi Peng

  4. Curtin University, Perth, Western Autralia, Australia

    A.D. Lucey

  5. The University of Hong Kong, Hong Kong, China

    Lixi Huang

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© 2019 Springer Nature Singapore Pte Ltd.

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Shu, Z., Dai, C., Mi, J. (2019). Numerical Simulations on Film Cooling Effectiveness from Two Staggered Rows of Coolant Jets. In: Zhou, Y., Kimura, M., Peng, G., Lucey, A., Huang, L. (eds) Fluid-Structure-Sound Interactions and Control. FSSIC 2017. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-7542-1_22

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  • DOI: https://doi.org/10.1007/978-981-10-7542-1_22

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-7541-4

  • Online ISBN: 978-981-10-7542-1

  • eBook Packages: EngineeringEngineering (R0)

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