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Re: Convert watt ionto degree F or C

From: Jonathan C. Webster
Subject: Re: Convert watt ionto degree F or C
Date: Mon, 16 Jun 2003 22:04:17 -0400
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20021120 Netscape/7.01 (NSCD7.01)

Denis Aubin wrote:

As a development engineer. Working on a new design, I am looking into converting 63 watts of energy into a specific board into degree F or C, witch one is enclosed into a shielded metal box (2.5?h X 11? d X 16? l). Do you know any ways of calculating this without having to make an expensive prototype?

"Watts" is NOT energy, it is energy (Joules) per second. So you need a time inerval. Then you need the so called heat capacity of the structure you are considering. (Joules/degree) Estimate that from volumes and densities using tables to get Joules/degree.

BTW It might be better to buy a good book on thermodynamics than ask this question to an Octave list.


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