风机技术文章 关键词：离心式通风机；蜗舌；出口流场；数值模拟 [gap=938]Key words: centrifugal fan; volute tongue; outlet flow field; numerical simulation
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The measuring system with microcomputer for inlet and outlet flow field of the Francis turbine runner is described. The pitot probe with 5 holes was used as sensing element.
本文研制的微机检测系统用于转轮进出口流场测量，系统采用5孔探针为感应元件，全部数据处理及计算都由计算机完成。
Numerical 3d simulation and research on inner nozzle and outlet flow field of solid rocket motor of long range missile designed by Russia using STAR-CD computational fluid software.
采用STAR - CD计算流体软件对某俄式发动机的喷管内流场及喷管出口处流场进行了三维的数值仿真与研究。
Under the same impeller outlet speed, the flow speed of blade diffuser is faster than the vaneless one. The average flow field at impeller outlet trends to uniform.
在相同叶轮出口速度下，叶片扩压器比无叶扩压器中气流速度下降迅速，叶轮出口处平均流场趋于均匀。
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