refrigeration machinery; pulse tube; gas velocity; analysis
制冷机械; 脉管; 气体速度; 分析。
参考来源 - 脉管制冷机的线性气流速度分析法·2,447,543篇论文数据，部分数据来源于NoteExpress
在很低的压力下，原子态氢的形成与越来越高的气体速度有关。
At very low pressures the formation of atomic hydrogen is linked with the increasing gas velocity.
数值计算表明，气体速度随入口段曲率半径的增大而增大，拉伐尔喷嘴和长度则随曲率半径的增大而减小。
The numerical calculation results show that the gas velocities increase with the reduction of curvature and the length of laval nozzle decreases with the increase of the radius of curvature.
对不同入口气体速度、初始颗粒尺寸分布和不同颗粒团聚形成机理下收集器内颗粒聚团流动的流体动力特性进行数值模拟。
The hydrodynamics of particle agglomeration flow was numerically simulated at the different inlet gas velocity, initial particle size distribution and type of agglomeration mechanisms in the absorber.
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