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

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

1.
青岛大学机电工程学院, 山东青岛 266071
2.
青岛大学动力集成及储能系统工程技术中心, 山东青岛 266071

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
计量
- 文章访问数: 440
- HTML全文浏览量: 85
- PDF下载量: 180
- 被引次数: 0
出版历程
- 收稿日期: 2017-12-21
- 刊出日期: 2019-01-05

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

1.
School of Electromechanical Engineering, Qingdao University, Shandong Qingdao 266071, China
2.
Power Integration and Energy Storage Systems Engineering Technology Center, Qingdao University, Shandong Qingdao 266071, China

摘要

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。
- 转套式配流系统 /
- 减振槽 /
- 压力超调 /
- 流量脉动 /
- 设计优化
Abstract: The structure of damping groove of rotating-sleeve distributing-flow system has important influence on flow pulsation, pressure pulsation, working noise and operation life. Considering the constraint of flow backward, a structural optimization model of U-shaped damping groove was set up to get the minimized extreme pressure based on the design variables of its thickness, height and angle. It has completed that the structural optimization with sensitivity analysis of design variables to optimization goal using iSIGHT optimal design framework. After optimization, the volumetric efficiency of the pump is basically unchanged, and the extreme pressure of pump chamber is reduced by 8.3%, which significantly reduces the impact and oscillation caused by the pressure overshoot. The optimization design also improves the stability of whole distribution system. The optimization result has strong stability, but the U-shaped damping groove needs to be re-optimized when the rated working speed is higher.
- rotating-sleeve distributing-flow system /
- damping /
- pressure /
- flow pulsation /
- optimization

HTML全文

图 1 转套式配流系统结构原理图

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图 2 U型减振槽结构

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图 3 流场计算模型

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图 4 泵腔压力图

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图 5 参数化模型

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图 6 单周期出口流量图

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图 7 试验设计平台

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图 8 泵腔压力极值与出口处最大倒灌量Pareto图

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图 9 优化分析平台

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图 10 泵腔压力极值变化

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图 11 各设计变量变化图

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图 12 泵腔压力图

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图 13 优化后出口流量图

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图 14 压力极值与工作转速之间的关系

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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

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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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