基于熵产最小曲线型散热器参数优化设计  

Parametric optimization design of curvilinear heat sink based on the minimization of entropy generation rate

作　　者：周建辉[1] 杨春信[1] 

机构地区：[1]北京航空航天大学航空科学与工程学院,北京100191

出　　处：《航空动力学报》2009年第5期970-979,共10页Journal of Aerospace Power

基　　金：国家重点自然科学基金(50436010)

摘　　要：基于参数化设计和模拟方法,采用VB开发了放射状散热器参数化设计模拟软件,可自动生成高质量的六面体网格和进行数值计算.利用该软件快速对风扇散热器组件的结构参数进行性能分析和讨论,加深了对风扇散热器组件各主要参数在散热器整体性能中影响程度的认识.采用并行计算流体力学方法,基于组合优化策略以熵产最小为目标函数对多参数结构风扇散热器组件进行优化,曲线型散热器优化结果比初步设计方案的性能提高了7%.Based on the procedure of the parametric design and numerical simulation,the parametric design software for optimally designing the radial heat sink was developed utilizing VB language,allowing to generate automatically high quality hexahedral meshes.The numerical simulation could also be performed automatically,and the results of the entropy generation rate of fan-sink assembly were obtained.Geometry parametric investigations achieved quickly by the program were carried out to examine the effect of various...

关 键 词：曲线型散热器 一体化设计 参数化设计 优化 熵产 计算流体力学 

分 类 号：TK124[动力工程及工程热物理—工程热物理]