CN

李勇

Team member

Paper Publications

Current position: Home > Scientific Research > Paper Publications

拉法尔喷管流态分析与数值模拟

Release time:2023-10-19 Hits:

Key Words:拉法尔喷管;真空发生器;液态分析;FLUENT;喷嘴

Abstract:拉法尔喷管结构设计的合理性直接影响真空发生器的工作效率。使用FLUENT模拟软件对拉法尔喷管结构和使用工况两个方面进行模拟分析,寻求内外部因素对喷管出口速度变化的影响关系。由仿真结果可知,喷管出口背压与进气压力的比值决定喷管内部的流动状态,拉法尔喷管的收缩角与扩张角的改变对喷管出口流速影响较小,而改变喷管出口截面与喷管喉部截面的面积比,喷管出口速度发生显著改变。

Volume:v.50;No.276

Issue:05

Translation or Not:no

Pre One:粉体料仓存在的问题及解决方法

Next One:负压输送中真空发生器真空度特性分析

Click:times | The Founding Time:.. | The Last Update Time:..

Laoshan Campus-99 Songling Road, Qingdao City, Shandong Province
Sifang Campus-No.53 Zhengzhou Road, Qingdao City, Shandong Province
Sino-German International Cooperation Zone (Sino-German Campus)-No. 3698 Tuanjie Road, West Coast New District, Qingdao City, Shandong Province
Gaomi Campus-No. 1 Xingtan West Street, Gaomi City, Shandong Province
Jinan Campus-No. 80 Wenhua East Road, Jinan City, Shandong Province ©2015 Qingdao University of Science and Technology
Administrator email: master@qust.e

Qingdao University of Science and Technology

MOBILE Version