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if you knew the temperatures of the exhaust at the
Posted by nt moore (more from nt moore) on Tue, 1 Oct 2002 22:01:00
In Reply to: Thermodynamically challenged, TomJ, Tue, 1 Oct 2002 17:19:00
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turbo exhaust and then later on down the pipe then you could make a case gor the gas cooling - you could make a simple arguement about the decreasing volume occupied by the exhaust gasses by applying ideal gas law with differring temperatures, (CO is close to ideal) eq
pv=nrt, => v1 / v2 = T1 / T2 so if the temperature decreased by 50 K (400K->350K) then the volume of the gas would reduce by a factor of 7/8
It seems doubtful to me that 7/8 the original volume is a noticable difference in turbo spool up - perhaps a mechanical enginer skilled in the ways of fluid dynamics could fruitfully add to the discussion.
NT
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