1) Wavy Plate Flow Channel
波面流道
2) wave chunnel diffluence
波道分流
1.
Lightning protection theories, functions, methods and countermeasures for electronic equipments were introduced The theories of wave chunnel diffluence, multilevel depleting energy, depleting and preventing and dodging what had been brought forward recently by Zhongguang Lightning Protection experts were also put forward.
同时介绍了近期"中光"防雷专家提出的新颖防雷理论:波道分流、多级泻能和消、防、避三结合防雷理论。
3) runner cross-section
流道截面
1.
The method for calculating the runner cross-section size in rheological flow balance is illustrated through an example.
举例说明了流变学平衡计算流道截面尺寸的方
4) the face of runner
流道面
5) meridian flow passage
轴面流道
1.
Computer aided design of meridian flow passage in impeller of screw-centrifugal pump;
螺旋离心泵叶轮轴面流道的计算机辅助设计
2.
In view of the existed design flaws of meridian flow passage of impeller in centrifugal pumps,it constructed the back shroud streamline of impeller with cube B-spline curves.
针对现有的轴面流道设计方法的缺陷,用三次B样条曲线构造叶轮后盖板型线,在给定流道过流断面面积变化规律的条件下,导出了叶轮前盖板型线计算公式,并通过移动B样条曲线控制点对叶轮轴面流道形状进行修改。
3.
To improve the existing design methodology of meridian flow passage, this paper presented a method of creating the impeller shroud steamline by use of Bezier curves of degree 5.
针对现有的轴面流道设计方法的缺陷,用六点五次Bezier曲线构造叶轮前后盖板流线,根据Bezier曲线的性质,合理给定盖板流线控制点来控制盖板流线的形状,导出了内切圆切点、半径、圆心坐标和过流断面面积的计算公式。
6) Flow area
流道面积
补充资料:分流道直径确定公式
分流道的直径尺寸根据塑件的成型体积、塑件壁厚及形状、所用塑件的工艺性能以及分流道的长度等因素确定。对于壁厚小于3mm、质量在200以下的塑件,可用下面的经验公式确定分流道的直径:
D=0.2654WL
式中
D 分流道的直径
W 流经分流道的塑料量
L 分流道长度
对于黏度芦较大的塑料,按式上面的公式算出的D值乘以1.2~1.25的系数
D=0.2654WL
式中
D 分流道的直径
W 流经分流道的塑料量
L 分流道长度
对于黏度芦较大的塑料,按式上面的公式算出的D值乘以1.2~1.25的系数
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条