volume efficiency meaning in English
容积效率
体积效率
音量当量
音量效率
Examples
- Scroll compressor , used as main engine in auto aircondition system , has small volume , light weight , low noise , low vibration , good seal , high volume efficiency and high heat insulation efficiency
涡旋压缩机是汽车空调器的制冷主机，具有体积小、重量轻、低噪声、低振动、密封好、容积效率和绝热效率高等优点。 - The results show that the heat transfer in intake manifold and cylinder has obvious effects on the volume efficiency , while the pipe friction coefficients and bent pressure loss coefficients have less effect
结果表明，进气管和气缸的传热对充气效率的影响较显著，而管道摩擦系数和弯管压力损失系数对充气效率的影响较小。 - When volume efficiency is computed by an engine cycle simulation considering gas flow in intake and exhaust manifold as one - dimensional unsteady flow , improperly given parameters in the simulation may cause an error over 5 %
摘要采用进排气管流动为一维非定常模型的发动机循环模拟方法计算充气效率时，若模型中给定的参数不合适，可能引起充气效率的计算误差超过5 % 。 - In order to improve the prediction accuracy , the sensitivities of pipe friction coefficients , pressure loss coefficients in bents , wall temperatures and heat transfer coefficients in pipes and cylinders on the volume efficiency are investigated
为提高充气效率的计算精度，由模拟计算和相关试验，分析了管道的摩擦系数、弯管的压力损失系数、进气管壁和气缸壁温度及其传热系数对充气效率的影响程度。