【习题】卫星双金属层传热分析 ？

FreddyMusic

【习题】卫星双金属层传热分析 ？

【习题】卫星双金属层传热分析 ？ / Heat Transfer Analysis of multiple material satelite？

加分题，很简单。（ 4分以上者，就不用做了 ）

老规矩：贴出答案 +1 分，　贴出命令流 +3 分 （认真编辑）

题目在老外的网站上（略有窜改 ）
http://www.me.cmu.edu/academics/ ... m/3D_1_heatsink.htm


Introduction: In this example you will learn to model a cooling fin for satelite. This involves heat generation, conduction and convection.

Physical Problem: All electronic components generate heat during the course of their operation. To ensure optimal working of the component, the generated heat needs to be removed and thus the electronic component be cooled. This is done by attaching fins to the device which aid in rapid heat removal to the surroundings.

Problem Description:
The problem is equivalent to the previous tutorial. The new concern is 3 dimensional modeling.
The enclosing container is made of steel with thermal conductivity of 20 W/m K.
The fins are made of aluminum with thermal conductivity of 180 W/m K.

Units: Use S.I. units … centimeters ONLY

Geometry: See figure.

Boundary conditions: There is convection along all the boundaries of the fin assembly except the bottom, which is attached to the steel block. The Film Coefficient is 50 W/m2K and the Bulk (ambient) Temperature is 293 K. The block contains a copper rod that generates heat, totaling 27.2 W. The sides of the steel block are insulated. The bottom area of the block loses heat totaling 5.44 W. Remember to use units of W/m3 for heat generation and W/m2 for heat flux.

Objective:  To determine the nodal temperature distribution.
To determine the maximum value of temperature in the component.

iomega

呵呵，顺便提一下，做这个例子的老外当时是个本科生，现在在Stanford...

FreddyMusic

PDF is OK for you ?

hai00011

不好意思，到现在才作，不过做出来的结果有点不一样啊，请指正啊
以下是命令流：

FreddyMusic

原帖由 iomega 于 2006/4/21 13:43 发表
呵呵，顺便提一下，做这个例子的老外当时是个本科生，现在在Stanford...

iomega,

你有空替 hai00011 看看命令流，
我们有新会员想到 Stanford 来看你。