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- the pressure loss coefficient 压力损失系数比
- EP-W203/H DRA is a ultra-high molecular polymer, which can reduce the pressure loss of pipe flow. 型减阻剂是一种超高分子聚合物,注入管道后可以降低管流的压力损失。
- Besides, experiment on the pressure loss of the improved accumulator with L-Tube with the evase inlet shape was done. 对改进后的L-Tube入口为喇叭口形的储液罐也做了试验研究。
- The pressure loss in the pipe of pneumatic conveying of waste plastics is one of the important parameters. 摘要在废塑料气力输送过程中，管道压力损失是重要参数之一。
- The end pressure loss of LLDPE melt in short die extrusion and factors affecting the pressure loss were investigated by using a capillary rheometer. 应用毛细管流变仪,考察了线性低密度聚乙烯(LLDPE)熔体于短口型挤出流动中的末端压力损失及其影响因素。
- Stapelberg H H et al:The pressure loss and slug frequency of liquid-liquid-gas slug in horizontal pipes,Int,J.Multiohase flow,1994(2). 张西民郭烈锦等:水平圆管内油气水三相流摩擦阻力模型与结构关系式;西安交通大学学报;1999;33(3).
- After the retrofitting with Ni-base helix patch economizer,the pressure loss is decreased,the erosion of economizer is reduced. 更换镍基渗层螺旋翅片式省煤器后,烟气阻力大、磨损严重现象明显改善,换热效果充分加强,运行周期大大延长,锅炉热效率显著提
- The results show that the pressure loss in the generating process of pre-mixed abrasive water-jet is mainly resulted from the section shrinkage. 结果显示,在前混合磨料水射流形成过程中,压力损失主要是由于磨料液由管道进入喷嘴发生断面收缩时造成的;
- At the end of the annular passage,shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7,which causes a greater total pressure loss. 在相对升程小于6%25、压比小于0.;7后;环形通道的末端将产生激波;激波带来较大的全压损失
- The thesis introduces the choose of the ejector, and it also shows you the design calculation and the choose of main parameters, including the pressure loss. 同时计算了压强损失,为集中式排种系统中风机的全压计算提供了数据参考。
- Thus, it is important to reduce the pressure loss, increase the flowrate and improve the stability of the control valve in the development and research of the steam turbines. 因此，降低调节阀工作压损、提高通流能力以及工作稳定性是汽轮机开发研究中的一项重要课题，具有重要的工程应用价值。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- His health collapsed under the pressure of work. 他的身体被工作压垮了。
- Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow. 管道的等量长度中的摩擦损失即构成弯管中的压力损失。
- Her health broke down under the pressure of work. 工作的压力把她的身体弄垮了。
- EXPERIMENTAL RESEARCH AND COMPUTATION ON PRESSURE LOSS COEFFICIENT OF VORTEX STREET FLOWMETER 涡街流量传感器压力损失系数的试验研究与计算
- She'll sing if we put the pressure on. 我们给她些压力她就会讲出来。
- The tyre is too hard reduce the pressure a bit. 这轮胎太硬，要减少一点压力。
- Based on the balance of the fluid in the pipeline and the annular space,I study the pressure of the hole in the bottom and the pressure loss of the both under the laminar flow condition. 以泡沫钻进管路中、环形空间中的流体受力平衡为依据,对层流状态下的孔底压力及两者的压力损失进行初步的理论研究,通过验证,与实测值拟合较好。
