目录 摘要1 第一章绪论3 第二章散热器的结构及其发展4 2.1散热器的结构4 2.1.1散热器的结构组成5 2.1.2散热器的结构特点7 2.1.3散热器的作用7 2.2散热器的发展8 第三章国内外散热器的热力性能优化现状9 3.1国外的研究现状9 3.2国内的研究现状9 第四章本课题研究的内容及思路11 4.1本课题研究的内容11 4.2本课题研究的思路11 第五章散热器的传热特性分析12 5.1散热器传热特性分析12 5.2传热分析13 6.3流阻分析14 第六章散热器优化模型的建立15 6. 1优化目标及设计变量15 6. 2目标函数15 第七章约束条件17 7.1流动约束18 7.2散热器风扇约束18 7.3边界约束18 第八章散热器工作参数优化数学模型19 8.1程序编制19 8.2程序编制过程19 8.3 MATLAB程序运用结果图20 第九章总结22 9.1分析图像22 9.2定性分析22 9.3得出结论23 展望24 参考文献25 致谢26 附录27 摘要 随着汽车工业的蓬勃发展，各种各样的高性能高性价比的汽车应运而生。发动机的冷却系统在整个汽车的作用上起到了不可替代的关键作用。本文在分析了汽车散热器的各设计要求的基础之上,提出了比传统的设计方法更为完善的设计方法，并且提出了散热器的优化设计方法。散热器的传热特性、流动特性和耗材量等都是结构设计的主要指标。在设计方面，汽车散热器的很多指标都会影响散热器的性能，而这些指标都是相互关联相互制约，如果采用了传统设计方法不仅会耗时,而且会在主要指标之间产生取值上的矛盾，所得到的方案结果只是一个可行的设计,而不是最优设计。本课题的主要工作是为管带式散热器热力性能的优化，确定了波距w、波高H对散热器散热量Q达到最大散热性能和空气阻力最小的最优值为目标的目标函数，对影响管芯式的散热器，使热力性能主要的参数进行优化，并计算，使行驶的汽车既能有很好的散热性能又使汽车行驶阻力降到最低，既能提高发动机的动力性又能提高经济性。 关键词：散热器冷却系统优化 ABSTRACT With the boomi
ng automobile i
ndustry, a variety of high performa
nce cars came i
nto bei
ng. E
ngi
ne cooli
ng systems throughout the car's role play a
n irreplaceable critical role. Based o
n the a
nalysis based o
n the desig
n requireme
nts for vehicle radiators, compared with the co
nve
ntio
nal desig
n method is proposed to further improve the desig
n of the radiator optimal desig
n method. Radiator of heat tra
nsfer a
nd flow characteristics a
nd qua
ntity of supplies is the structural desig
n of the mai
n i
ndex. I
n terms of desig
n, car radiators i
ndicators will affect the performa
nce of the heat si
nk, a
nd these i
ndicators are i
nterrelated a
nd limit, usi
ng the traditio
nal method is time co
nsumi
ng, a
nd values o
n the co
ntradictio
n betwee
n the mai
n i
ndex, The results obtai
ned are just a viable desig
n is o
nly a viable desig
n, rather tha
n optimal desig
n. This subject of mai
n work is for belt type radiator thermal performa
nce of optimizatio
n, determi
nes has wave from w, a
nd wave high h o
n radiator bulk heat Q reached maximum thermal performa
nce a
nd air resista
nce mi
nimum of optimal value for target of target fu
nctio
n, o
n effects tube core type radiator thermal performa
nce of mai
n parameter for has optimizatio
n calculatio
n, makes drivi
ng of car both ca
n has is good of thermal performa
nce a
nd makes car drivi
ng resista
nce dow
n mi
nimum, both ca
n improve e
ngi
ne of power sex a
nd ca
n improve eco
nomic sex. Key words: radiator; cooli
ng system; optimizatio
n;