SC1-2: Effects of Injection Rate Modulation on the Shape and Inner Structure of Fuel Spray(SC: Spray and Spray Combustion,General Session Papers)
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概要
- 論文の詳細を見る
The effect of injection rate modulation, i.e., periodical fluctuation of injection rate, on the spatial dispersion of fuel droplets and inner structure of fuel spray were investigated by using an electronically controllable fuel injection system. The major experimental parameters were the modulation frequency and the modulation amplitude. It was confirmed that the shape of spray with injection rate modulation becomes wider at some frequencies, i.e., 5 kHz - 6 kHz, 7 kHz and 13 kHz in our experiments. It was also confirmed there are two mechanisms of wider spray, i.e., the effect of larger maximum injection rate and the effect of high frequency modulation itself. From the temporal movement of fuel droplets obtained by high-speed photographs, the reason of this phenomenon was discussed.
- 一般社団法人日本機械学会の論文
- 2008-07-28
著者
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Ueno Atsushi
Department Of Aeronautics And Astronautics The University Of Tokyo
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Ueno Atsushi
Department Of Mechanical Engineering Tokai University
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Azetsu Akihiko
Department Of Mechanical Engineering School Of Engineering Tokai University
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Nishijima Hirokazu
Department Of Mechanical Engineering Tokai University
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