E309 EFFECTS OF COMPRESSION RATIO ON PERFORMANCES OF GASOLINE ENGINE(Engine performance)

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概要

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• This study investigates how performance of gasoline engine and its characteristic of exhaust gas are influenced by the compression ratio. The experiments were performed in the range of compression ratio between 10 to 16 by use of the single cylinder engine which is able to change it from 5 to 22. Air fuel ratios were given optionally in the possible range which the engine employed was operated normally, where the fuel control was performed with EFI remodeled as it can operate by fake signals. Fuel employed was the regular gasoline on the market. As a result, the compression ratios that the engine performance becomes supreme are between ε =12-14. While the trend of thermal efficiency to the compression ratio crosses at A/F ≒ 12, in which the case of ε =10 in A/F>12 gives the maximum, and in A/F<12 that of ε =14 becomes maximum.

• 一般社団法人日本機械学会の論文
• 2000-10-01

著者

• Kagawa Noboru

  Dept. Of Mechanical Systems National Defense Academy

• Tsuruno Seizo

  Dept. Of Mechanical Systems National Defense Academy

• Matsuguchi Atsushi

  Dept. Of Mechanical Systems National Defense Academy

関連論文

• E309 EFFECTS OF COMPRESSION RATIO ON PERFORMANCES OF GASOLINE ENGINE(Engine performance)
• D213 CHANGES OF FLOW PATTERN IN HORSE SHOE VORTEX : CORRELATION OF VORTEX FLOWS GENERATED IN FRONT AND REAR OF OBSTACLE(Ventilation/vortex flow measurement)

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