车辆散热器模块试验研究
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摘要
散热器模块是发动机冷却系统中的重要组成部分,其工作性能在很大程度上决定了发动机及车辆的散热效果。随着车辆及发动机技术的不断发展,对散热器模块的性能要求也越来越高。鉴于目前国内学术界和工程界的研究重点在于单个散热器,比较缺乏散热器模块研究的现状,本文将研究对象设定为由中冷器和水箱散热器组成的散热器模块,对其工作性能进行了试验研究。
为了获得散热器模块在动力舱环境中、实车运行条件下的基础数据,本文建立了一套基于C++Builder平台自主开发测试软件的车载测试系统,并对实车测试的系统搭建进行了探讨,对传感器选型、数据采集系统软硬件的优化提出了一些建议。
本文开展了散热器模块实车道路试验,对散热器模块在实际行驶中随档位、发动机转速变化的工作性能进行了基础研究,并对散热器模块车载道路试验方法进行了探讨,提出了一些建议。
本文采用车载测试的数据作为初始条件,对同一散热器模块进行了风洞试验,证明该散热器模块能基本满足匹配发动机的散热要求,并对冷却空气、中冷器热空气流量、水箱散热器水流量的变化对工作性能的影响进行了研究。并对该散热器模块冷却性能的优化提出了一些建议。
Radiator module is an essential part of the engine cooling system. The cooling effect of the engine and vehicle is, in a large part, decided by the performance of the radiator module. Along with the development of vehicle and engine technology, the requirements on the radiator module have become increasingly high. As domestic researches mainly focus on single radiator, and lack of radiator module study, a radiator module consisted by an intercooler and a water radiator was chosen to be the study object, on which some experiments were carried out.
In order to get the data while the radiator module is working in engine room with the vehicle running on the road, a measurement system for on road test based on the software developed on the platform of C++Builder was developed. The system construction was also researched, and some suggestions on sensor selection and optimization of data collection system were given.
An on road test was carried out, which was followed by the analysis of the working performance of the radiator module while the vehicle was in different gears and the engine was at different speed. The suggestions for the optimization of the experiment method were also given.
The radiator module was then mounted in a wind tunnel, and the data collected in on road test was used here to set the initial state. The wind tunnel test results verified that the radiator module basically met the cooling requirements of the engine. The Impact of wind velocity, flow of hot air in intercooler and flow of hot water in water radiator on the cooling performance of the radiator module was also analyzed. Then some recommendations on the optimization of the radiator module were given.
为了获得散热器模块在动力舱环境中、实车运行条件下的基础数据,本文建立了一套基于C++Builder平台自主开发测试软件的车载测试系统,并对实车测试的系统搭建进行了探讨,对传感器选型、数据采集系统软硬件的优化提出了一些建议。
本文开展了散热器模块实车道路试验,对散热器模块在实际行驶中随档位、发动机转速变化的工作性能进行了基础研究,并对散热器模块车载道路试验方法进行了探讨,提出了一些建议。
本文采用车载测试的数据作为初始条件,对同一散热器模块进行了风洞试验,证明该散热器模块能基本满足匹配发动机的散热要求,并对冷却空气、中冷器热空气流量、水箱散热器水流量的变化对工作性能的影响进行了研究。并对该散热器模块冷却性能的优化提出了一些建议。
Radiator module is an essential part of the engine cooling system. The cooling effect of the engine and vehicle is, in a large part, decided by the performance of the radiator module. Along with the development of vehicle and engine technology, the requirements on the radiator module have become increasingly high. As domestic researches mainly focus on single radiator, and lack of radiator module study, a radiator module consisted by an intercooler and a water radiator was chosen to be the study object, on which some experiments were carried out.
In order to get the data while the radiator module is working in engine room with the vehicle running on the road, a measurement system for on road test based on the software developed on the platform of C++Builder was developed. The system construction was also researched, and some suggestions on sensor selection and optimization of data collection system were given.
An on road test was carried out, which was followed by the analysis of the working performance of the radiator module while the vehicle was in different gears and the engine was at different speed. The suggestions for the optimization of the experiment method were also given.
The radiator module was then mounted in a wind tunnel, and the data collected in on road test was used here to set the initial state. The wind tunnel test results verified that the radiator module basically met the cooling requirements of the engine. The Impact of wind velocity, flow of hot air in intercooler and flow of hot water in water radiator on the cooling performance of the radiator module was also analyzed. Then some recommendations on the optimization of the radiator module were given.
引文
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[26]张正一,郑群.一种新型中冷器性能的实验研究[J].哈尔滨工程大学学报,2004，25(4)：477-481.
[27]王辉,孙丽萍,王静环.内燃机车用多流程散热器的研究与应用[J].内燃机车2007,1：18-20.
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