Study on Mechanism Variables Interaction of Torque Converter

doi:10.7652/xjtuxb201509001

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Study on Mechanism Variables Interaction of Torque Converter

更新时间：2025-07-09

- Study on Mechanism Variables Interaction of Torque Converter
- Vol. 49, Issue 9, Pages: 1-7(2015)
- 作者机构：
  
  同济大学机械与能源工程学院,上海,201804
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201509001
  CLC： TH137.332
- Online First：10 September 2015，
  
  Published：2015
- 稿件说明：
移动端阅览
Study on Mechanism Variables Interaction of Torque Converter[J]. 2015, 49(9): 1-7.
DOI：

Study on Mechanism Variables Interaction of Torque Converter[J]. 2015, 49(9): 1-7. DOI： 10.7652/xjtuxb201509001.

摘要

为解决现有液力变矩器机构变量优化设计中采用分步优化方法存在的问题

通过对比台架试验数据确认了三维流体仿真结果的准确性

运用正交试验、通过全流道流体仿真得到了起动变矩比、最高效率和最高效率工况下泵轮扭矩系数; 采用方差分析法研究了机构变量间的交互作用对液力变矩器性能影响的显著性

在考虑交互作用的基础上建立了五元三次响应曲面模型且应用多目标遗传算法进行了优化。研究表明:机构变量间交互作用显著影响着液力变矩器的性能

采用机构变量综合优化方法优化后

起动变矩比提高了0.336

最高效率提高了2.1%

最高效率工况下泵轮扭矩系数提高了0.306×10

-6

min

·r

-2

·m

-1

。

Abstract

In order to solve the problem caused by the separated step optimization for the design of the mechanism variables of torque converter

the significance of mechanism variables interaction was studied. Firstly

the accuracy of three dimensional fluid simulation results was confirmed in comparison with the bench test data. Secondly

starting torque ratio

highest efficiency and pump wheel torque coefficient at the transmission ratio of highest efficiency were obtained through full flow passages simulation based on the orthogonal experiments

and the significance of mechanism variables interaction was discussed through analysis of variance. Finally

the ternary quintic response surface model was established and optimized by using multi-objective genetic algorithm. The experiment results showed that mechani

sm variables interaction significantly affected torque converter performance and after optimization using the integrated optimization method of mechanism variables

starting torque ratio increased by 0.336

highest efficiency increased by 2.1%

and pump wheel torque coefficient at the transmission ratio of highest efficiency increased by 0.306×10

-6

min

·r

-2

·m

-1

关键词

Keywords

references

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