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排灌机械工程学报  2018, Vol. 36 Issue (1): 50-54    DOI: 10.3969/j.issn.1674-8530.17.0128
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带有导流板的蜗形滞流器三维数值模拟
程文韬1,2, 吴燕明1,2, 李超1,2,3, 马光飞1,2, 张健3
1.水利部产品质量标准研究所/水利部杭州机械设计研究所, 浙江 杭州 310024; 2.浙江省水利水电装备表面工程技术研究重点实验室, 浙江 杭州 310024; 3.河海大学水利水电学院, 江苏 南京 210098
Study of three-dimensional numerical simulation on hydro-brake with baffle
CHENG Wentao1,2, Wu Yanming1,2, LI Chao1,2,3, MA Guangfei1,2, ZHANG Jian3
1.Standard & Quality Control Research Institute, Ministry of Water Resources/Hangzhou Mechanical Design Research Institute, Ministry of Water Resource, Zhejiang, Hangzhou 310024, China; 2.Key Laboratory of Surface Engineering of Equipments for Hydraulic Engineering of Zhejiang Province, Zhejiang, Hangzhou 310024, China; 3.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, Jiangsu 210098, China
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摘要 为了在不减少流通面积条件下提高新型改善城市内涝装置的蜗形滞流器节流效率,判断能否将其投入实际应用.采用VOF两相流计算方法对蜗形滞流器外特性进行模拟分析,结果发现:试验曲线与模拟曲线吻合度较好,说明该模拟方法可以较为准确反映蜗形滞流器的流动特性;未设导流板的蜗形滞流器的节流效率为18.2%,在其内部加设导流板后,最终节流效率提高约22.7%;加设导流板的蜗形滞流器节流效果普遍在30.0%以上,并且节流效率与导流板的角度α相关,但并非呈线性关系,α=15°左右时,其节流效率可达到最高约40.9%.
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程文韬
吴燕明
李超
马光飞
张健
关键词城市内涝   蜗形滞流器   导流板   外特性   VOF模型     
Abstract: The hydro-brake potentially can be applied to relieve urban waterlogging under a condition without reducing flow-through cross-sectional area. To judge whether it can operate properly in an actual working condition, the performance of a hydro-brake was simulated numerically by using VOF two-phase flow method in CFD. Results show that the experimental curve agrees well with the simulation one, as such the simulation method can reflect the flow characteristics better. The throttling efficiency of hydro-brake is about 18.2% without baffle, but is improved by about 22.7% after a baffle was added. The throttling efficiency of hydro-brake with baffle is generally more than 30.0%, depending on the deflection angle nonlinearly. Specially, if the angle is about 15°, the throttling efficiency can reach as high as 40.9%. 
Key wordsurban waterlogging   hydro-brake   baffle plate   external characteristics   VOF model   
收稿日期: 2017-06-09;
基金资助:水利部公益性行业科研专项基金资助项目(20151026);浙江省公益技术应用研究项目(2017C33010)
通讯作者: 吴燕明(1958—),男,浙江杭州人,教授级高工(通信作者,wuyanming2193@126.com),主要从事水力机械研究.   
作者简介: 程文韬(1966—),男,湖北武汉人,高级工程师(ccwt0910@sina.com),主要从事水轮机设计研究.
引用本文:   
程文韬,,吴燕明等. 带有导流板的蜗形滞流器三维数值模拟[J]. 排灌机械工程学报, 2018, 36(1): 50-54.
CHENG Wen-Tao-,,WU Yan-Ming- et al. Study of three-dimensional numerical simulation on hydro-brake with baffle[J]. Journal of Drainage and Irrigation Machinery Engin, 2018, 36(1): 50-54.
 
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