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Villi Seemann <villi.seemann@nordea.com>:
.
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If we have a RAM air opening of 3 inch diameter, it has an area of appx 7
sq.in ( 1/2 * 3^2 * PI ) . This means, if we did not have any inlet
losses, back pressure etc, the RAM air would enter our plenum chamber with
.
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Regards
Villi H. Seemann
Senior Engineer
Infrastructure Network
Phone (+45) 3333 2101
FAX (+45) 3333 1130
CellPhn (+45)2220 7690
Villa,
Thank you for the very clear and understandable post. However, I believe that you have a problem in that the area listed above sould be: PI * r^2. With a 3 inch diameter opening, the wrong calculation leads to an answer 2 times as large as it should be.
eg. 1/2 * 3^2 * PI = 14.14
and PI * 1.5^2 = 7.07
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