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转套式配流系统U型减振槽结构设计优化

姜晓天 张洪信 赵清海 程前昌 张延君

姜晓天, 张洪信, 赵清海, 程前昌, 张延君. 转套式配流系统U型减振槽结构设计优化[J]. 机械科学与技术, 2019, 38(1): 23-29. doi: 10.13433/j.cnki.1003-8728.20180102
引用本文: 姜晓天, 张洪信, 赵清海, 程前昌, 张延君. 转套式配流系统U型减振槽结构设计优化[J]. 机械科学与技术, 2019, 38(1): 23-29. doi: 10.13433/j.cnki.1003-8728.20180102
Jiang Xiaotian, Zhang Hongxin, Zhao Qinghai, Cheng Qianchang, Zhang Yanjun. Structural Optimization Design of U-shaped Damping Groove in Rotating-sleeve Distributing-flow System[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(1): 23-29. doi: 10.13433/j.cnki.1003-8728.20180102
Citation: Jiang Xiaotian, Zhang Hongxin, Zhao Qinghai, Cheng Qianchang, Zhang Yanjun. Structural Optimization Design of U-shaped Damping Groove in Rotating-sleeve Distributing-flow System[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(1): 23-29. doi: 10.13433/j.cnki.1003-8728.20180102

转套式配流系统U型减振槽结构设计优化

doi: 10.13433/j.cnki.1003-8728.20180102
基金项目: 

国家自然科学基金项目 51575286

详细信息
    作者简介:

    姜晓天(1993-), 硕士研究生, 研究方向为车辆新型动力传递技术及其电子化, 1210097882@qq.com

    通讯作者:

    张洪信, 教授, 博士, qduzhx@126.com

  • 中图分类号: TH137.51

Structural Optimization Design of U-shaped Damping Groove in Rotating-sleeve Distributing-flow System

  • 摘要: 转套式配流系统中减振槽结构参数对系统的流量脉动、压力冲击、工作噪声、工作寿命等具有重要影响。以转套式配流系统U型减振槽的厚度、高度和包角为设计变量,考虑流量倒灌约束,建立了以压力极值最小为目标的设计优化模型。以iSIGHT优化设计框架搭建了系统设计优化平台,完成了设计变量对优化目标的灵敏度分析和结构优化。优化后泵的容积效率基本不变,泵腔压力极值减小了8.3%,显著降低了压力超调现象引起的冲击、振荡等问题,提高了整个配流系统工作的稳定性。优化结果具有较强的稳健性,但额定工作转速设定值较大时还需要重新优化U型减振槽结构。
  • 图  1  转套式配流系统结构原理图

    图  2  U型减振槽结构

    图  3  流场计算模型

    图  4  泵腔压力图

    图  5  参数化模型

    图  6  单周期出口流量图

    图  7  试验设计平台

    图  8  泵腔压力极值与出口处最大倒灌量Pareto图

    图  9  优化分析平台

    图  10  泵腔压力极值变化

    图  11  各设计变量变化图

    图  12  泵腔压力图

    图  13  优化后出口流量图

    图  14  压力极值与工作转速之间的关系

    表  1  减振槽模型设计变量及取值范围

    变量 名称 初始值 下限值 上限值
    x1/mm U型槽厚度 1.5 1 5
    x2/mm U型槽高度 1.5 1 4.5
    x3/(°) U型槽包角 6 5 10
    下载: 导出CSV

    表  2  减振槽结构优化结果

    设计变量 初始值 优化值
    x1/mm 1.5 4.319 4
    x2/mm 1.5 4.328 6
    x3/(°) 6 8.043 0
    下载: 导出CSV
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  • 收稿日期:  2017-12-21
  • 刊出日期:  2019-01-05

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