风机技术文章 关键词：离心式压缩机；调节；叶片；进口角；正预旋 [gap=605]Key words: centrifugal compressor; adjustment; impeller; inlet angle; positive prewhirl
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fluid inlet angle 流入角 ; 流体流入角
Flow inlet angle 进气角
wire inlet angle 进线角
air inlet angle 进气角度 ; 气流进入角度
design inlet angle 设计进流角
inlet angle of blade 叶轮进口安装角
inlet angle of runner 转轮进口角
fluid dram inlet angle 流体流入角
Especially, the study on the needle-shape nozzle structural parameter is performed when the jet-pressure is changed. The nozzle structural parameter includes: nozzle diameter (d); length to diameter ratio(L/d; inlet angle and outlet diffusion angle.
着重研究了针型喷嘴的结构参数：喷嘴的孔径（d）、长径比（L/d）、入口角与出口扩散角，从而得出最佳的喷嘴结构参数。
参考来源 - 针型喷嘴结构对射流特性影响的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The inlet Angle has a certain influence to the mixing, but affects is small.
入口角度对混合有一定影响，但影响较小。
The critical inlet angle obtained by this method has good agreement with the test results.
用本法计算得到的极限进气角和实验结果吻合较好。
The relationship between the inlet angle of fuming furnace and production in Laibin smelter is introduced in this paper.
本文介绍了来宾冶炼厂烟化炉风嘴角度与生产的直接关系。
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