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Attenuation and penetration of pulsed supersonic liquid jets—An experimental study

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Shock Waves

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Abstract

Pulsed supersonic liquid (water and diesel fuel) jets in the range of 1500 m/s to 1800 m/s have been produced and examined. A two stage light gas gun was used as a launcher to obtain the pulsed impact (velocity of 700m/s). In this paper, experimental results on the attenuation and the penetration distance of the liquid jets is presented. It was found that the attenuation is relatively high in the first 300 μs of the jet flight. The penetration distance is around 300–500 mm, this depending on the initial velocity, the nozzle geometry and the properties of liquid. The experimental results agree well with the estimation using conventional diesel spray formula. The shadowgraph image shows bow shock wave structures with multiple pulses which tend to enhance atomization and combustion. However, further examination of their atomization related to the jet attenuation and penetration distance is needed.

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Ubon Ratchathani University, 34190, Thailand

    K. Pianthong

  2. Shock Wave Research Center, Institute of Fluid Science, Tohoku University, Sendai, Japan

    K. Takayama

  3. School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, 2052, Australia

    B. E. Milton & M. Behnia

Authors
  1. K. Pianthong
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  2. K. Takayama
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  3. B. E. Milton
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  4. M. Behnia
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Editor information

Editors and Affiliations

  1. Key Laboratory of High-Temperature Gas Dynamics Institute of Mechanics, Chinese Academy of Sciences, 15 Bei Si Huan Xi Rd., Beijing, 100080, P.R. China

    Z. Jiang

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© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg

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Pianthong, K., Takayama, K., Milton, B.E., Behnia, M. (2005). Attenuation and penetration of pulsed supersonic liquid jets—An experimental study. In: Jiang, Z. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27009-6_199

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  • DOI: https://doi.org/10.1007/978-3-540-27009-6_199

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-22497-6

  • Online ISBN: 978-3-540-27009-6

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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