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Unread 10-13-2005, 04:21 AM   #74
Les
Cooling Savant
 
Join Date: Oct 2001
Location: Wigan UK
Posts: 929
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Quote:
Originally Posted by Incoherent
I don't understand.
Have you plugged Ls into data

The MCW6000was rant
To expand on rant
The 20,000 h(eff) on 50x50x5mm bp = 77,519W/m^2C h(eff) on die-surface
The 20,000 h(eff) on 50x50x5mm bp would be a fair guess of conditions in MCW6000 @ 0.25 lpm.However in tests there is TIM which reduces h(eff) to ~50,000(on fb-surface)
My model
17,000 on 40x40 @ 0.25 lpm
75,000 on 40x40 @ 10 lpm
Values are in Book1 Excel. No idea whether dimensions are correct.
Consider much higher h(eff) in small patch thin bp wbs.
For MP-05-SP with 1mm bp
10,000 on 14.4x14.4 @ 0.25 lpm
250,000 on 14.4x14.4 @ 10 lpm
In general possibly looking at an h(eff) range of 10,000 to 300,000(call it 500,000).and areas 10x10 to 60x60 with bps 0.1 to 10


Change in Ls changes nothing much =
Can distinquish a different curve
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Last edited by Les; 10-19-2005 at 10:26 AM.
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