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兵工学报  2015 

双循环圆液力缓速器叶形参数优化设计

DOI: 10.3969/j.issn.1000-1093.2015.03.001, PP. 385-390

Keywords: 流体传动与控制,双循环圆液力缓速器,弯叶片,叶片设计,优化设计

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Abstract:

?为对双循环圆液力缓速器弯叶片叶形参数进行优化设计,搭建叶栅系统优化设计平台。建立缓速器内流道参数化模型,并通过网格独立性研究对仿真模型可信度进行验证。基于三维流场仿真技术,以叶形包角与工作面内外圆弧半径为设计变量,进行试验设计研究,分析设计参数对缓速器制动性能的影响,构建近似模型,采用多岛遗传算法进行全局优化设计,得到最优的设计参数,并对优化前后缓速器内流场特性与制动性能进行对比分析。分析结果表明:优化后缓速器的制动性能显著提高,制动力矩平均增幅可达42.3%.

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