充量系数 meaning in English

coefficient of charge
volumetric efficiency

Identification of volumetric efficiency model for gaseous mixture of a coal - bed gas engine
煤层气发动机混合气充量系数模型的辨识
Adopting the resonant intake manifold is a simple and effective way by which increases volumetric efficiency in order to improve performance of truck diesel engine
利用谐振进气系统来提高车用柴油机的充量系数0 ，从而达到改善其性能的目的，是一种简单而有效的方法。
Moreover , the effects of the resonant intake manifold various construction parameters on volumetric efficiency are analyzed in this paper , and the best project is provided for the model 4108q diesel engine
文中还计算分析了谐振进气系统各结构参数对充量系数0的影响规律，为lf4108q型柴油机利用谐振进气系统改善其性能，提供一个最佳方案。
The results derived from comparison experiments indicate that various performances of the diesel engine adopting the best project is better than those of the previous intake manifold . especially at the rating , the volumetric efficiency and power increases by about 5 % , exhaust temperature decreases by 50 , 4 . 3g / kw . h fuel consumption is reduced , o . srb smoke emission is cut down
试验表明：该方案与原机进气系统方案相比，其各项性能指标均有不同程度的改进：在标定点的充量系数和功率提高了将近5 ，排温下降了50 [ ] ，燃油消耗率减少了4 . 3 [ g kw