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Unread 09-08-2003, 02:11 PM   #14
Since87
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Join Date: Sep 2002
Location: Indiana
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Quote:
Originally posted by bigben2k
Also, I'm going to bring up the coolant testing temp again: you suggested 30 deg C, because you're having difficulty maintaining 25 deg C. My concern with that, is that a higher delta T (block to ambient) may increase those secondary losses. (am I off my rocker here?)
Ben, if you can't answer this question yourself, what hope is there, that you are going to be able to cover all the bases in setting up an accurate test bench?

Quote:
Originally posted by bigben2k
If we're stuck with Type T probes, then what's our margin of error? +/- 0.5 deg C?
Which is of course, absolutely useless when trying to measure the heat dissipation of the block by measuring the delta T between inlet and outlet water temperature.

Quote:
Originally posted by bigben2k
Since I'll be using a heat die, if I want to measure those secondary losses, then I am stuck with measuring a block's coolant inlet and outlet temps, with high accuracy.
And if you don't measure the die simulator's secondary losses, then all of your measurements will be suspect.
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