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che yong chai you ji de di wen qi dong zhuang zhi ji ying yong
Author(s): 
Pages: 44
Year: Issue:  4
Journal: Farm Machinery Using & Maintenance

Abstract:  柴油发动机启动比较困难,尤其是在天气较为寒冷的地区,这一矛盾显得更加突出.由于柴油机采取的是压缩后自燃着火的方式,因此进入冬季后,进入柴油发动机气缸内的空气温度较低,致使压缩后的空气温度达不到着火自燃温度,再加上机油黏度增大,使起动阻力矩变大,以及燃油蒸发雾化不好和蓄电池端电压下降等原因,使柴油机启动困难.
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