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燃用生物柴油对柴油机喷射过程的影响
An Investigation on Injection Process of Diesel Engine Fueled with Biodiesel
【摘要】 通过测试不同工况下的高压油管嘴端压力和喷油器针阀升程,研究了不同配比生物柴油对柴油机喷射过程的影响.实验研究表明:在供油提前角、转速和负荷相同的情况下,随着燃料中生物柴油含量的增加,高压油管最大喷油压力增加,喷射延迟期和喷射持续期变长,导致循环喷油量增大.
【Abstract】 The line pressure at injector side and nozzle needle lift were measured to evaluate the injection process of different mixing ratios of a bio-diesel.The measured results show that the peak pressure is higher,the injection delay and duration exhibit a slightly longer,which made a higher fuel-injection per-cylinder cycle,at the same fuel delivery advance angle,engine speed and load,when the bio-diesel ratio increases.
【基金】 国家自然科学基金(50576003)
- 【文献出处】 车辆与动力技术 ,Vehicle & Power Technology , 编辑部邮箱 ,2006年04期
- 【分类号】TK421.42
- 【被引频次】7
- 【下载频次】166