Experiment investigation on the stratification and pressurization in the LPG vessel;
液化石油气分层增压过程
Study of the Jet flow Ventilation Pressurization Technology;
射流通风增压技术的研究
The updated control system can effitiently improve the machine’s performances, during its technics process of shot and pressurization.
升级后的控制系统能有效提高压铸机在压射、增压过程中性能表现,解决原系统存在的问题。
Technical Development of 2.8L Six Cylinders Supercharge Diesel Engine;
2.8L六缸增压柴油机的技术开发
Combustion gas pressures were tested experimentally both before and after supercharge.
依据实验测得增压前后的燃烧气体压力,采用扩缸前后的不同活塞设计尺寸,根据流体动力润滑与活塞动力学理论建立数学模型,使用Newton-Raphson方法求解动力学模型,使用有限差分法和超松弛迭代法(SOR)求解平均Reynolds方程,研究车用柴油机的活塞运动轨迹和横向运动速度。
The results show that the minimum lubrication oil films at the major and minor thrust sides are all diminished,and the friction force as well as friction power consumption are increased in supercharged engine.
根据流体动力润滑理论与活塞动力学方程建立的分析模型,依据发动机燃气压力的变化,计算了增压前后的活塞裙部最小润滑油膜厚度和摩擦力。