Mixing of a Hydrogen Jet from a Wedge Shaped Injector into a Supersonic Cross Flow
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概要
- 論文の詳細を見る
A new measurement by using a catalytic reaction on a platinum wire was conducted spatially to evaluate a mixing condition in a supersonic flow field. A spatial mixing field was created by a transverse hydrogen jet injected into a cold supersonic cross flow (Mach 1.81) through a wedge shaped injector. The half-vertical angles of 8° or 18° were chosen as that of the wedge shaped injector. These results were compared with that of a circular injector case. The results showed that this method could evaluate a spatial mixing condition. The results also clarified that a jet plume in the cases of wedge injectors penetrated higher than that of the circular injector case and separate from the lower wall when going downstream. To observe jet/supersonic flow interaction, Schlieren visualization and oil flow visualization were carried out. It was shown that the extent of the separation region around the 8° wedge injector was the smallest among those injectors. Pitot pressure measurements were also conducted. These indicated that a wedge injector scheme was more beneficial than that of a circular injector for the supersonic combustion and combustor wall cooling.
- 社団法人 日本航空宇宙学会の論文
- 2004-02-04
著者
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He Fei
Graduate School Of Muroran Institute Of Technology
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SAKIMA Fuminori
Graduate School of Muroran Institute of Technology
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ARAI Takakage
Department of Mechanical Systems Engineering, Muroran Institute of Technology
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KASAHARA Jiro
Department of Mechanical Systems Engineering, Muroran Institute of Technology
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MURAKOSHI Masaya
Graduate School of Muroran Institute of Technology
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AMI Takayuki
Graduate School of Muroran Institute of Technology
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SUGIYAMA Hiromu
Department of Mechanical Systems Engineering, Muroran Institute of Technology
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Kasahara Jiro
Department Of Aerospace Engineering Nagoya University
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Kasahara Jiro
Department Of Mechanical Systems Engineering Muroran Institute Of Technology
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Arai T
Department Of Mechanical Systems Engineering Muroran Institute Of Technology
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Arai Takakage
Department Of Mechanical Engineering Gunma University
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Sugiyama Hiromu
Department Of Mechanical Engineering Muroran Institute Of Technology
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Sakima F
Graduate School Of Muroran Institute Of Technology
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ARAI Takakage
Department of Aerospace Engineering, Osaka Prefecture University
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