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Generation of hypersonic liquid fuel jets accompanying self-combustion |
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| Authors: | Hong-Hui Shi Kazuyoshi Takayama |
| Affiliation: | (1) Department of Mechanical Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan , JP;(2) Shock Wave Research Center, Institute of Fluid Science, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan , JP |
| Abstract: | Aerodynamic behavior of pulsed hypersonic light oil jets injected at 2 km/s and 3 km/s is presented. Auto-ignition and combustion of the fuel during the injection process were visualized. The combustion around the disintegrating jet was enhanced by liquid atomization created by the very high injection pressure as well as the interfacial instability of the hypersonic jet. The jets were injected into air at low pressure and also that premixed with helium and air. It was found that the combustion was reduced in both cases despite the higher jet speed and the increased gas pressure. Received 5 November 1998 / Accepted 24 February 1999 |
| Keywords: | :Hypersonic fuel jet Mixing Auto-ignition and combustion |
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