【Key words】 reverse circulation bit； injector hole； bottom jet hole； numerical calculation； experimental study； parameter optimization；
基于6个网页-相关网页
Flow coefficient of injector hole 喷孔流量系数
open hole injector 裸眼注水井
hole injector 孔注入器
injector with hole nozzle 孔式喷油器
Multi-hole injector 多孔喷油器
injector assembly hole area 喷嘴孔的通过截面面积
myltiple-hole injector 多层焙烧炉
impinging hole injector 冲击射流式喷头
hole type injector 闭式喷油器
In this paper, the influence of flow coefficient of injector hole, hole diameter and needle lift on emission is studied through contrast experiment of different injectors.
本文通过对柴油机配置不同喷油器所进行的排放对比试验，研究分析了喷油器喷孔流量系数、喷孔直径、针阀升程对排放的影响。
The machining project of control cavity was set down based on the orthogonal test method, and the influence of control hole A and B on the hydraulic response of injector was tested.
根据正交试验法，制定了喷油器控制腔偶件的加工方案，并就控制A、B量孔尺寸对液力响应的影响进行了试验研究。
The test result shows that by using bigger dimension difference of control hole A and B and high common-rail pressure the better open response of injector can be achieved.
试验结果表明较大的A、B量孔尺寸差值和高的共轨压力，可以获得较好的喷油器开启响应特性。
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