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bigben2k · 09-01-2003, 12:21 AM

As part of a test bench, we need a steady source of heat, that simulates what a CPU puts out. A CPU is a poor choice here, because the heat level is difficult to control, and to measure.

The heat die may use electrical heaters, the output of which can easily be measured by monitoring the voltage and amperage going through it. The accuracy of this measurement will be discussed here so this thread may be more about this heat source, its construction, and very importantly, how to prevent or minimize the secondary losses, which may throw off results.

Temperature measurements at the heat die may be discussed here.

Some references:
-Joe's sim (Is there a link?)
-Bill's bench
-RoboTech's page

09-01-2003, 12:21 AM	#1
bigben2k Responsible for 2% of all the posts here. Join Date: May 2002 Location: Texas, U.S.A. Posts: 8,302	The Heat Die As part of a test bench, we need a steady source of heat, that simulates what a CPU puts out. A CPU is a poor choice here, because the heat level is difficult to control, and to measure. The heat die may use electrical heaters, the output of which can easily be measured by monitoring the voltage and amperage going through it. The accuracy of this measurement will be discussed here so this thread may be more about this heat source, its construction, and very importantly, how to prevent or minimize the secondary losses, which may throw off results. Temperature measurements at the heat die may be discussed here. Some references: -Joe's sim (Is there a link?) -Bill's bench -RoboTech's page __________________ WBTA (Water Block Testing Alliance) Nordic Hardware WC 101 Last edited by bigben2k; 09-01-2003 at 01:10 AM.