helically是什么意思,helically怎么读,
1.The comparison of formation of ash contamination layers between on helically finned tube bank and on bare bank under gas solid two phase fluid is discribed.
从分析螺旋翅片管束受气固两相流冲刷时其表面上灰污层形成的机理着手,分析各种因数对灰污系数数值的影响。
2.With oil, gas, water as working fluids, the experiment studies of frictional pressure drop characteristics of oil gas, gas water two phase flow in vertical helically coiled tubes were carried out.
分别以油气、气水为工质,对立式螺旋管内气液两相流的摩擦阻力特性进行实验研究。
3.Disposed between in embedded fashion between two of the belt plies (23, 25) is a pair of substantially full spiral helically wound overlays (24).
以嵌入方式置于两个带束帘布层(23、25)之间的是一对基本上完全盘旋螺旋缠绕的覆盖层(24)。
4.Extensive experiments of steam-water two-phase flow and boiling heat transfer in a vertical helically-coiled tube were carried out in high pressure water test loop of Xi an JiaotongUniversity.
报导了在西安交通大学高压汽水实验回路上进行的垂直螺旋管内汽水两相流传热试验研究。