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Old 12-29-2008, 03:28 PM   #11 (permalink)
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Originally Posted by NeilBlanchard View Post

My interpretation of the drawing you posted is the opposite -- the base of the windshield has some negative pressure, and so it is the best place to exhaust the cooling air.
Neil,the graphic is a bit confusing,but you'll notice that in the yellow portions of the image,the arrowheads are directed "away" from the car (signifying lift,or negative pressure),while within the black portion ,the arrows are directed "at" the car,signifying positive ram pressure.The image is "dyslexic" are far as intuition goes.Maximum lift is occuring over the leading edge of hood and roof while stagnation is occuring at grille and cowl area.

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