CN106709115A - 一种车辆轮边减速器的散热仿真分析方法 - Google Patents

一种车辆轮边减速器的散热仿真分析方法 Download PDF

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CN106709115A
CN106709115A CN201510790985.7A CN201510790985A CN106709115A CN 106709115 A CN106709115 A CN 106709115A CN 201510790985 A CN201510790985 A CN 201510790985A CN 106709115 A CN106709115 A CN 106709115A
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radiating
wheel hub
radiator
simulation analysis
hub reducer
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王宏
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Heilongjiang Hengneng Self-Control Technology Co Ltd
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Heilongjiang Hengneng Self-Control Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

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Abstract

本发明公开了一种车辆轮边减速器的散热仿真分析方法,包括以下步骤:第一步:对散热片在不同工况车速下分别处于静止和流动空气中时流动和热换性能进行仿真计算,拟合处努塞尔数、雷诺数等相似准则数间的关联式,并与相关资料得出的盘式散热片关联式进行对比;第二步:预测散热片子啊汽车高速行驶过程中的散热量第三步:将计算所得行星齿轮式轮边减速器摩擦产生的热流密度和仿真所得盘式散热的对流换热系数作为边界条件,对车轮进行温度场仿真分析。本发明的车辆轮边减速器的散热仿真分析方法,安装散热片后,轮辋表面温度有所下降,盘式散热片有效地改善了轮边减速器的散热条件,高速行驶时轮胎发生爆裂的可能性得以降低。

Description

一种车辆轮边减速器的散热仿真分析方法
技术领域
本发明涉及一种减速器散热分析方法,具体涉及一种车辆轮边减速器的散热仿真分析方法,属于减速产品技术领域。
背景技术
针对某重型商用车在高速正常行驶时出现轮胎爆裂的现象,分析原因可能是高温导致,其热量来源有:轮胎与路面摩擦产生的热量,因同种轮胎在其他型号的重型车辆上以相同工况行驶时并未出现爆胎的情况,从而确定了后者为轮胎温度过高而爆裂的主要影响因素;因此,为了解决解决以上问题提出一种车辆轮边减速器的散热仿真分析方法。
发明内容
(一)要解决的技术问题
为解决上述问题,本发明提出了一种车辆轮边减速器的散热仿真分析方法,安装散热片后,轮辋表面温度有所下降,盘式散热片有效地改善了轮边减速器的散热条件,高速行驶时轮胎发生爆裂的可能性得以降低。
(二)技术方案
本发明的车辆轮边减速器的散热仿真分析方法,包括以下步骤:
第一步:对散热片在不同工况车速下分别处于静止和流动空气中时流动和热换性能进行仿真计算,拟合处努塞尔数、雷诺数等相似准则数间的关联式,并与相关资料得出的盘式散热片关联式进行对比,验证所建计算流体力学模型的准确性;
第二步:预测散热片子啊汽车高速行驶过程中的散热量;
第三步:将计算所得行星齿轮式轮边减速器摩擦产生的热流密度和仿真所得盘式散热的对流换热系数作为边界条件,对车轮(轮辋和钟形鼓)进行温度场仿真分析。
(三)有益效果
与现有技术相比,本发明的车辆轮边减速器的散热仿真分析方法,安装散热片后,轮辋表面温度有所下降,盘式散热片有效地改善了轮边减速器的散热条件,高速行驶时轮胎发生爆裂的可能性得以降低。
具体实施方式
一种车辆轮边减速器的散热仿真分析方法,包括以下步骤:
第一步:对散热片在不同工况车速下分别处于静止和流动空气中时流动和热换性能进行仿真计算,拟合处努塞尔数、雷诺数等相似准则数间的关联式,并与相关资料得出的盘式散热片关联式进行对比,验证所建计算流体力学模型的准确性;
第二步:预测散热片子啊汽车高速行驶过程中的散热量;
第三步:将计算所得行星齿轮式轮边减速器摩擦产生的热流密度和仿真所得盘式散热的对流换热系数作为边界条件,对车轮(轮辋和钟形鼓)进行温度场仿真分析。
本发明的车辆轮边减速器的散热仿真分析方法,针对轮边减速器发热量过大的问题,提出一款盘式散热片的解决方案,通过建立圆盘式散热片的热流耦合模型,进行数值归纳出了旋转圆盘对流换热的关联式,并与他人研究结果比较,验证了仿真模型的准确性,通过得出圆盘周围气流的流动对圆盘散热性能影响较大,除了通过安装圆盘以增大散热面积来改善散热效果外,还要考虑如何引导气流流经圆盘表面;对加装盘式散热片前后的轮边减速器分别进行了温度场仿真对比分析,结果表明,散热片有效地降低了轮辋的热负荷,轮胎因温度过高而爆裂的可能性降低:针对轮边减速器提出一种圆盘式散热装置,并对其散热性进行研究。
上面所述的实施例仅仅是对本发明的优选实施方式进行描述,并非对本发明的构思和范围进行限定。在不脱离本发明设计构思的前提下,本领域普通人员对本发明的技术方案做出的各种变型和改进,均应落入到本发明的保护范围,本发明请求保护的技术内容,已经全部记载在权利要求书中。

Claims (1)

1.一种车辆轮边减速器的散热仿真分析方法,其特征在于:包括以下步骤:
第一步:对散热片在不同工况车速下分别处于静止和流动空气中时流动和热换性能进行仿真计算,拟合处努塞尔数、雷诺数等相似准则数间的关联式,并与相关资料得出的盘式散热片关联式进行对比,验证所建计算流体力学模型的准确性;
第二步:预测散热片子啊汽车高速行驶过程中的散热量;
第三步:将计算所得行星齿轮式轮边减速器摩擦产生的热流密度和仿真所得盘式散热的对流换热系数作为边界条件,对车轮进行温度场仿真分析。
CN201510790985.7A 2015-11-17 2015-11-17 一种车辆轮边减速器的散热仿真分析方法 Pending CN106709115A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467237A (zh) * 2020-11-26 2021-03-09 许继集团有限公司 一种储能系统热管理装置及其控制方法和储能系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467237A (zh) * 2020-11-26 2021-03-09 许继集团有限公司 一种储能系统热管理装置及其控制方法和储能系统

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Application publication date: 20170524