Thermal Design Stages-Phase 1

Recently I was thinking about how Computational Fluid Dynamics (CFD) accelerates all phases of Thermal Design.  I’m sure it is debatable but here is what I came up with for the phases of Thermal Design .  The arrows could be looped over and back and round and round but I think the flow is reasonable.

Thermal Design Stages

The basic 4 step design process that leads to the desired Design Approval depicted is:

  1. Design Need and Ideas: Basically the process would be started by the need for a design or an idea related to a design.
  2. Computer Analysis: Once the light bulb is lit or the fire is stoked the designer would set out to study that idea.  If all the design tools known to man are available a fair place to start would be in front of a computer.
  3. Preparing Recommendations
  4. Build and Test: Realizing that nothing is true until it is tested, this is a necessary step.  If Step 2 is done well enough then this step should be quite a bit easier.
  5. Share Design Solution: Everything needs to be sold at some point, and this is where a compelling argument for the design needs to be made.

I plan on dedicating this post to discussing Phase 1 a bit further and follow up with the remaining phases during subsequent posts.

About John Wilson

imageJohn Wilson joined Mentor Graphics Corporation, Mechanical Analysis Division (formerly Flomerics Ltd) in 1999. John has worked on or managed more than 100 thermal and airflow design projects. His modeling and design knowledge range from Electronics Cooling IC packaging level to Data Centers and Clean Rooms. He has extensive experience in IC package level test and analysis correlation through his work at Mentor Graphics' San Jose based Thermal Test Facility. He is currently the Consulting Engineering Manager, WRO in the Mechanical Analysis Division. Visit John R Wilson's Blog

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Preparing Recommendations

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4 Comments on this Post

Commented on 4:29 PM, May 5, 2009
By Mike Wilson

I knew that.

Commented on 5:29 PM, May 30, 2009
By Thermal Design Stages-Phase 2 « John R Wilson’s Blog

[...] thermal design from the “Need” to “Acceptance”, which can be found here.  This second part focuses on the Computer Analysis portion of the [...]

Commented on 3:49 PM, Jul 24, 2009
By Mazi

Hi ! I need some help about emissivity variation with temperature ... Would you please help me :) is there any relation for epsilon like ep=f(T) ? thanks in advance ...

Commented on 2:58 PM, Sep 29, 2009
By Robert White

Please check out my patent, # 7588074 concerning heat sink and pin fin design. I haven't yet found anyone able to analyze this design based on current analysis software.thanks, Bob White.

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