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Old Oct 5, 2012 | 12:01 PM
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waldig
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Joined: Feb 2008
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From: VA
Talking Re: ? 4 the advanced thinking engineer

Compressing a gas causes heating which in the extreme can cause the temps to rise enough to become incandescent, think of a blast wave.

THey were talking about temps which is a different question, the temps are probably in the 400 degree range in our engines, turbos are more efficient that our rotors and they will pull up into this range for a similar boost pressure. Out of the normal thinking for most people.

When you reexpand that air - let it ***** out, it will expand and cool, this is how you get liquid gasses like oxygen and liquid helium to form. Wdy

Enjoy the weekend
 
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