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当前位置: 首页 > 文章 > 生物制气-柴油发动机放热规律的影响因素 江苏大学学报(自然科学版) 2005,26 (3) 209-212
Position: Home > Articles > Influence of heat release rate of biogas diesel dual-fuel engine Journal of Jiangsu University (Natural Science Edition) 2005,26 (3) 209-212

生物制气-柴油发动机放热规律的影响因素

作  者：
罗福强;梁昱;汤东;刘乔明;王建勇
单  位：
江苏大学汽车与交通工程学院;江苏江动集团技术中心
关键词：
双燃料发动机;生物制气;柴油机;放热规律;供油提前角
摘  要：
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,作为以柴油引燃的双燃料发动机的主要燃料.双燃料发动机由一单缸、四冲程、水冷、直喷式柴油机改装而成,生物制气通过发动机进气管,在进气过程中被吸入气缸.实测生物制气-柴油双燃料发动机气缸压力,根据气缸压力计算放热规律并分析转速、负荷及供油提前角对它的影响.负荷增大时,双燃料发动机燃烧始点提前,最大燃烧放热率增高,最高燃烧温度升高,后燃加重;转速增大时,燃烧推迟;供油提前角增大时,最大放热率降低,对应相位提前,后燃减少.
译  名：
Influence of heat release rate of biogas diesel dual-fuel engine
作  者：
LUO Fu-qiang1, LIANG Yu1, TANG Dong1, LIU Qiao-ming1, WANG Jian-yong2 (1.School of Automobile and Traffic Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; 2.Engineering Center, Jiangsu Jiangdong Group Ltd., Yancheng, Jiangsu 224002, China)
关键词：
dual-fuel engine; biogas; disel engine; heat release rate; fuel supply advance angle
摘  要：
Biogas is made from many kinds of agricultural and forestry residues by a gasifier. It is used as the main fuel of a biogas diesel dual-fuel engine ignited by diesel fuel. The dual-fuel engine is rebuilt from a single cylinder, four stroke, water cooled, and direct injection diesel engine. The biogas is induced to the cylinder through intake tube of the engine during intake process. The influence of heat release rate of the engine was analyzed based on the measured cylinder pressure. With the load increasing, the ignition time advances, the maximum heat release rate and maximum combustion temperature both increase, and the after combustion becomes longer. With the engine speeding up, the ignition time delays. With the fuel supply advance angle increasing, the maximum heat release rate decreases, its corresponding phase advances, and the after combustion is shorter.

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