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Author:
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Year:
Volume:
Issue:
liang xiang liu shui sha fen li sai ji li yan jiu
Author(s):
ZHAO Lina
Pages:
30
-
31
Year:
2013
Issue:
7
Journal:
Water Conservancy Science and Technology and Economy
Keyword:
垂向异重流式水沙分离鳃
;
PIV技术
;
流场
;
Abstract:
使用粒子图像测速(Particle image velocimetry,简称PIV)技术,对新型环保的水沙分离装置“垂向异重流式水沙分离鳃”进行了高精度测量.通过处理,得到了“分离鳃”内部泥沙在水沙分离过程中的流速矢量分布图及流速云图.分析表明,由于鳃片的存在,“分离鳃”内部形成了垂向异重流和横向环流现象,大大加速了泥沙的下沉,进一步探明了“分离鳃”的水沙分离机理.
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