方形旋风分离器内颗粒浓度分布特性的实验研究注意:本论文已在《燃烧科学与技术》2002,8(3):199-201发表 摘 要: 应用三维颗粒动态分析仪(3D-PDA)对方形旋风分离器内的两相流场进行了测试,得到了颗粒浓度和粒径的分布,在进口高度的截面上,正对着分离器进口的右前角处颗粒的粒径明显大于其他地方的颗粒。在分离器中部的截面上,颗粒粒径分布差别不大,但是在分离器的左前角附近颗粒浓度稍微高一些,而在右前角附近的颗粒浓度较低。颗粒浓度分布的差别和脉动速度的分布正好相反。 Experimental Study on the Particle Distribution in a Square Cyclone Separator SU Yaxin1 LUO Zhongyang2 CEN Kefa2 Abstract:A 3 dimensional particle
dynamic analyzer (3D-PDA) was employed to measure the gas-solid suspension
flow in a lab-scale square cyclone separator with both downward exhaust
exit and solid discharge. The particle concentration and diameter distribution
at 2 sections were presented in this paper. At the upper part, e.g., at
the section that is half of the inlet height from the separator top, the
particle diameter at the front-right corner facing the inlet was found
oberviusly larger than those at any other position. The particle diameter
showed little difference at the section at the mid-height of the separator,
while the particle concentration showed a little higher at the left-front
corner and a little lower at the right-front corner. The particle concentration
distribution was against particle fluctuating velocity. 1、浏览PDF格式全文需要使用软件--Abode Acrobat(由于软件较大并常见,我站不提供下载) 2、下载论文全文请点击鼠标右键“另存为”或使用网络蚂蚁下载(51KB) 本站收录的本文作者的其他论文: |
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