ラノバ形空気式ディーゼル機関における燃焼

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タイトル別名
  • Combustion Process in a Lanova Air-Cell Type Diesel Engine
  • ラノバケイ クウキシキ ディーゼル キカン ニ オケル ネンショウ

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抄録

High-speed motion picture taken through a glasswindow in a full-scale engine, has led to the following information as to the combustion process in a Lanova Diesel engine. The fuel supply into the cell, which depends principally on the fuel injection and the design of the air-cell, has a large influence on the performance of this type of an engine. The fuel spray, if injected through the injector with a small spray angle toward the mouth of the cell, does not produce much mixture in the main combustion chamber before ignition, which burns slowly until the outflow of hot gases from the cell has improved the mixture formation to such a degree that quick combustion becomes possible. These processes contributes toward a slow pressure rise in the early stage of combustion and high thermal efficiency. Furthermore, it was ascertained by the high-speed photography that ignition in the main combustion chamber starts generally before that in the cell, and at the latest simultaneously with the ignition in the cell.

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