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生物制气—柴油双燃料发动机燃烧噪声分析

, PP. 18-21

Keywords: 双燃料发动机,柴油机,生物制气,燃烧噪声

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Abstract:

采用气化炉热解气化各种农林废弃的生物质,产生可燃生物制气,作为双燃料发动机的主要燃料。双燃料发动机由单缸、四冲程、水冷、直喷式柴油机改装,生物制气通入发动机进气管,在进气过程中吸入气缸。测量生物制气〖CD*2〗柴油双燃料发动机气缸压力,通过与原柴油机对比,对双燃料发动机的燃烧噪声进行分析。除低速大负荷外双燃料发动机燃烧噪声均低于原柴油机,其噪声随负荷增大而增大,随转速升高而降低,随供油提前角增大而增大。

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