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Volume 30 Issue 3
Jul 2016
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Chinese Journal of High Pressure Physics  > 2016  >  30(3): 227-234.
HUANG Yong, XIE Li-Feng, YE Jing-Fang, LU Chang-Bo, AN Gao-Jun, XIONG Chun-Hua, LI Yong-Jian, XU Chun. Experimental Study on Diesel Fuel Film Dispersed by Shock Wave and High-Speed Airflow[J]. Chinese Journal of High Pressure Physics, 2016, 30(3): 227-234. doi: 10.11858/gywlxb.2016.03.008
Citation: HUANG Yong, XIE Li-Feng, YE Jing-Fang, LU Chang-Bo, AN Gao-Jun, XIONG Chun-Hua, LI Yong-Jian, XU Chun. Experimental Study on Diesel Fuel Film Dispersed by Shock Wave and High-Speed Airflow[J]. Chinese Journal of High Pressure Physics, 2016, 30(3): 227-234. doi: 10.11858/gywlxb.2016.03.008
shu

Experimental Study on Diesel Fuel Film Dispersed by Shock Wave and High-Speed Airflow

doi: 10.11858/gywlxb.2016.03.008
  • 1.

    School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

  • 2.

    School of Environmental and Safety Engineering, Changzhou University, Changzhou Jiangsu 213164, China

  • 3.

    National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China

  • 4.

    Beijing POL Research Institute, Beijing 102300, China

  • 5.

    Shanxi Jiangyang Chemical Industry Co., Ltd., Taiyuan 030043, China

  • Received Date: 16 Jun 2015
  • Rev Recd Date: 28 Aug 2015
    Abstract
  • The dispersion principle and atomization process of four kinds of diesel fuel films induced by shock wave and high-speed airflow was studied, employing a vertical shock tube.The pressure and velocity of the shock wave, before and after reaching the diesel fuel films, were measured by a pressure acquisition system.The dispersion process of the diesel fuel films was recorded by a shadow-graph system.The experimental results show that the shock wave in 1.12 Mach was weakened to a high-speed airflow after impacting on the diesel fuel films.The atomization effect of diesel fuel film 1 and 2 is better, while its viscosity is low.In contrast, diesel fuel film 3 and 4 with a higher viscosity were broken up into big pieces and silks after the dispersion process.It can also be concluded that the diesel fuel films with a lower viscosity have a larger initial dispersion velocity, whereas it will be reduced faster.Apparently, the diesel fuel films with a higher viscosity have a smaller velocity because they have an obstructive effect on the aerodynamic force.Moreover, the corresponding dispersion distance and velocity decreased with the increase of the viscosity.

     

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