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Author Topic: Pumping Losses ?  (Read 2055 times)

March 14, 2007, 03:43:16 pm

pernalonga

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Pumping Losses ?
« on: March 14, 2007, 03:43:16 pm »
Hi there,

Is it correct to say : an engine (IDI) that breathes better, takes more energy (pumping loss) in compressing that additional mass of air ??

Regards
Pernalonga
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Reply #1March 14, 2007, 03:52:20 pm

jtanguay

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Pumping Losses ?
« Reply #1 on: March 14, 2007, 03:52:20 pm »
incorrect.

just means that you can increase the power which takes more energy.  making the engine breathe better could potentially decrease smoke.
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Reply #2March 14, 2007, 11:25:51 pm

Turbinepowered

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Pumping Losses ?
« Reply #2 on: March 14, 2007, 11:25:51 pm »
Quote from: "libbybapa"
That same air is decompressed as the piston goes downward and exerts the same force helping as it did hindering.


Minus frictional and heat losses, of course.  :wink:
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