[1]石运卓,等.集中式动力单元冷却风机工作点校核[J].机车电传动,2017,(02):80-82.[doi:10.13890/j.issn.1000-128x.2017.02.019]
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集中式动力单元冷却风机工作点校核()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2017年02期
页码:
80-82
栏目:
研究开发
出版日期:
2017-03-10

文章信息/Info

Title:
Cooling Fan Working Point Check of Centralized Power Unit
文章编号:
1000-128X(2017)02-0080-03
作者:
石运卓1 3胡广帆2李岩 1 3
(1. 中车大连电力牵引研发中心有限公司技术中心,辽宁 大连 116022; 2. 湖南智热技术股份有限公司技术部,湖南 湘潭 411100; 3. 动车组和机车牵引与控制国家重点实验室,辽宁大连 116022)
Author(s):
( 1. Technology Center, CRRC Dalian Electric Traction R&D Center Co., Ltd., Dalian, Liaoning 116022, China; 2. Technical Department, Hunan Smart Thermal Technology Co., Ltd., Xiangtan, Hunan 411100, China; 3. State Key Laboratory for Traction and Control System of EMU and Locomotive, Dalian, Liaoning 116022, China )
关键词:
集中式动力单元流体分析有限元仿真冷却风机
Keywords:
centralized power unit fluid analysis finite element simulation cooling fan
分类号:
U264.5+5
DOI:
10.13890/j.issn.1000-128x.2017.02.019
文献标志码:
A
摘要:
集中式动力单元具有集成功率高和种类多等优点,但也具有风道结构复杂、散热器种类繁多和冷却风机工作点校核困难等缺陷,使传统理论计算方法在计算准确度和时间上均无法很好地满足设计周期要求。利用有限元仿真方法对整个系统的PQ(流阻)曲线与风机曲线进行拟合,以得到风机设计的工作点。为此,首先对集中式动力单元的风道模型结构进行简化,然后给出了有限元仿真的前处理过程及后处理计算结果,最后对所提出的方法进行试验验证,表明该方法的可行性与可靠性。所提出的有限元仿真方法与传统的理论计算方法相比,计算精度及计算效率均得
Abstract:
Centralized power unit has merits of integrating more variety of power units with higher power, but shortages like complex duct structure, diverse radiator type, and the difficulty of checking the working point of the cooling fan, therefore, the accuracy and efficiency of theoretical calculation could not be assured by using traditional methods. To solve problems mentioned above, the finite element simulation method was introduced. In this method, to find out accurate working points of fan, the model of cooling fan’s duct structure was simplified firstly, which provided an easy path to PQ curve and fan curve of the whole system together. The processing of calculation and results attained by using finite element simulation were presented. Finally, the calculation and simulation method mentioned in this paper was verified by implementing experiment, and the results showed that the reliability and feasibility of this new method were significantly proved. It turned out that the finite element method was a more advanced way on improving calculation precision and efficiency by comparing with the traditional calculation method.

参考文献/References:

[1]葛新石,叶宏. 传热和传质基本原理[M]. 北京:化学工业出版社,2014.
[2]陈超祥,胡其登.Flow Simulation 教程[M]. 北京:机械工业出版社,2013.
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备注/Memo

备注/Memo:
作者简介:石运卓(1986-),男,硕士,设计师,主要研究方向为轨道交通变流系统的电气结构设计。
更新日期/Last Update: 2017-03-10