查询词典 volute

SOW series single stage double entry pump is a horizontally split volute centrifugal pump, mainly used to handle clean water or liquids similar to water in physical and chemical properties, temperature not above 105℃.

SOW系列单级双吸泵系水平中开蜗壳式离心泵，主要供输送温度不高于105℃的清水或理化性质类似于水的液体。

With method given by the paper, the impeller and volute of centrifugal pump can been designed according to the flow rate and head, and take optimization choosing with numerical test to aubstitute for real pump or model teat.

用本文提出的方法，可以根据设计工况点或高效点的流量与压头的要求，通过数值计算，确定离心泵通流部分的形状和尺寸，并且用数值试验进行优化选择，以代替多种方案的模型或实物试验进行优化方案的选择。

The RANS governing equation and RNG κ-ε turbulence model were used, and the flow fields at different relative positions between blade and volute tongue in a centrifugal pump were simulated by using finite volume method, under the hypothesis of steady flow.

本文选择RANS方程和RNGk-ε湍流模型，采用有限体积法，在假定流动定常的前提下对离心泵中叶片与蜗舌不同相对位置时的流场进行数值模拟，总结分析了各性能参数的计算误差在不同的相对位置时的变化规律。

French physicist Papin invented a four-blade impeller centrifugal pump volute.

达芬奇所作的草图中。1689年，法国物理学家帕潘发明了四叶片叶轮的蜗壳离心泵。

By using simulation-analysis software CFD,STAR-CD,a three-dimensional simulation analysis was conducted of the semi-volute suction chamber of a gas-oil multiphase pump for flow fields at different void fractions.

利用CFD模拟分析软件———STAR-CD，对油气混输泵半螺旋形吸入室在不同含气率下的流场进行了三维模拟分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。