1) unshrouded impeller
敞开式叶轮
3) semi-open impeller
半开式叶轮
1.
The 2-phase 3-D turbulent flow of the pulp fiber suspension was simulated in the hydraulic channel composed of suction chamber,front board,semi-open impeller and volute casing for the first time.
并着重对前盖板与叶轮间隙内的流动进行了分析,揭示了半开式叶轮输送两相流介质的优点所在。
4) unshrouded impeller
半开式叶轮
1.
Thw flow field in a centrifugal compressor with unshrouded impeller and vane diffuser is numerically investigated using a three-dimensional Navier-Strokes code and applying the central discretization scheme, Yang&Shih k-ε turbulence model and explicit four-order Runge-Kutta method in this paper.
使用Fine/Turbo三维粘性计算程序对含分流叶片半开式叶轮的离心压缩机级内三维粘性流场进行数值分析。
2.
The time marching method was used to solve the control equations, and a computational analysis of the flow field in a centrifugal compressor with unshrouded impeller and vaned diffuser was presented.
应用时间推进法求解连续性方程、时均N-S方程、能量方程、理想气体状态方程及Yang＆Shihk-ε紊流模型,对含分流叶片的半开式叶轮及叶片扩压器组成的离心压缩机模型级级内三维粘性流场进行了数值分析,得出了与实测结果一致的性能曲线。
5) open impeller pump
开式叶轮泵
6) Single-vane opened impeller
单叶片开式叶轮
补充资料：敞开式开关柜
敞开式开关柜
unclosed switchgear cubicle
iele)启式的要十面。能明关柜致容生事门改的还ehol、g伙olsh一ko一gLJongLJI敞开式开关柜(open type switehgea:。ut 能明显地看到柜内各元件的开关柜，又称刃开关柜。其外壳或隔板用网门结构，没有防护等幼求，离地2.sm高的带电元件还允许暴露在柜体:敞开式开关柜结构简单，制造方便，价格便宜，卫显地看见进线隔离开关的分、合状态。但敞开式刃也存在着严重缺点，一是在门上没有联锁装置，脸易使人误人带电间隔;二是网门结构在开关柜芳故时，会危及柜外人员的人身安全。为此，又将师为铁门，并增设观察窗，称为半封闭式开关柜。羊增加了防误操作闭锁装置。
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参考词条