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变排量叶片式机油泵内流场分析和噪声试验研究

贺尚红 周钦 李文科 刘光明

贺尚红, 周钦, 李文科, 刘光明. 变排量叶片式机油泵内流场分析和噪声试验研究[J]. 机械科学与技术, 2017, 36(6): 834-840. doi: 10.13433/j.cnki.1003-8728.2017.0603
引用本文: 贺尚红, 周钦, 李文科, 刘光明. 变排量叶片式机油泵内流场分析和噪声试验研究[J]. 机械科学与技术, 2017, 36(6): 834-840. doi: 10.13433/j.cnki.1003-8728.2017.0603
He Shanghong, Zhou Qin, Li Wenke, Liu Guangming. Internal Flow Field Analysis and Noise Experimental Research on Variable Displacement Vane Oil Pump[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(6): 834-840. doi: 10.13433/j.cnki.1003-8728.2017.0603
Citation: He Shanghong, Zhou Qin, Li Wenke, Liu Guangming. Internal Flow Field Analysis and Noise Experimental Research on Variable Displacement Vane Oil Pump[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(6): 834-840. doi: 10.13433/j.cnki.1003-8728.2017.0603

变排量叶片式机油泵内流场分析和噪声试验研究

doi: 10.13433/j.cnki.1003-8728.2017.0603
基金项目: 

国家自然科学基金项目(51275059)、湖南省自然科学基金项目(14JJ7025A、2015JJ4003)资助及湖南省研究生科研创新项目(CX2015B356)资助

详细信息
    作者简介:

    贺尚红(1965-),教授,博士生导师,研究方向为液压系统振动与噪声控制、机电液系统建模与仿真,heshanghong@126.com

Internal Flow Field Analysis and Noise Experimental Research on Variable Displacement Vane Oil Pump

  • 摘要: 考虑间隙的影响建立了变排量叶片式机油泵的内流场模型,基于RNG k-ε湍流模型,应用流体动力学软件模拟变排量叶片式机油泵稳定工况下的湍流流动,得到了流量和压力随时间变化的规律,并进行了空化现象预测。将仿真分析得到的流量特性曲线与性能试验结果进行对比,验证了模型的准确性。考虑卸荷槽的影响,对内流场监测点的压力脉动进行了时域和频域分析,发现容腔逐渐减小的困油区压力脉动最大,且泵的压力脉动主要影响频率为基频。对机油泵进行了噪声试验分析,得到噪声与压力脉动的主频相同。研究结果表明,变排量叶片式机油泵的噪声主要是由压力脉动引起的,通过开卸荷槽可以有效降低困油区的压力脉动。
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出版历程
  • 收稿日期:  2016-01-19
  • 刊出日期:  2017-06-05

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