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Old 07-20-2008, 07:43 AM   #70 (permalink)
Drmike
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Join Date: Feb 2008
Location: Japan
Posts: 157
Quote:
Originally Posted by apk919 View Post
On the other hand I'd say that P1 increases with speed (since the scoop is actually flowing less air than it would be if the ducting presented no resistance... imagine sticking a tapered cone vs. a tube out in the airstream). That's significant when considering how air will flow when combining ducted air from other sources (i.e. the side scoops).
Yes a tapered inlet will reduce losses and enable higher flow rates.
Given the aerodynamics at speed Im wondering if air flowing over car and towards roof scoop is going to see reducing presssure as car speeds up.
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