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A computational study of thrust vectoring control using dual throat nozzle

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Abstract

Dual throat nozzle (DTN) is fast becoming a popular technique for thrust vectoring. The DTN is designed with two throats, an upstream minimum and a downstream minimum at the nozzle exit, with a cavity in between the upstream throat and exit. In the present study, a computational work has been carried out to analyze the performance of a dual throat nozzle at various mass flow rates of secondary flow and nozzle pressure ratios (NPR). Two-dimensional, steady, compressible Navier-Stokes equations were solved using a fully implicit finite volume scheme. The present computational results were validated with available experimental data. Based on the present results, the control effectiveness of thrust-vectoring is discussed in terms of the thrust coefficient and the coefficient of discharge.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Andong National University, Andong, 760-749, Korea

    Choon Sik Shin & Heuy Dong Kim

  2. Department of Mechanical Engineering, Saga University, Saga, 840-8502, Japan

    Toshiaki Setoguchi & Shigeru Matsuo

Authors
  1. Choon Sik Shin
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  2. Heuy Dong Kim
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  3. Toshiaki Setoguchi
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  4. Shigeru Matsuo
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Shin, C.S., Kim, H.D., Setoguchi, T. et al. A computational study of thrust vectoring control using dual throat nozzle. J. Therm. Sci. 19, 486–490 (2010). https://doi.org/10.1007/s11630-010-0413-x

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  • DOI: https://doi.org/10.1007/s11630-010-0413-x

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