Quote:
Originally Posted by aerohead
Efficient heat exchanger(s) would harvest the forward stagnation point for the highest pressure source, and it would have to exit, regardless of location, simply because of the delta-P across the heat exchange matrix, as,
anything downstream of the airdam would essentially be at a lower static pressure.
The front wheelhouses are a source of high drag, and the current convention is to fully enclose them, even into the engine bay, allowing air only to escape where deemed appropriate.
Forwards belly paneling would allow for energetic, fully-attached, high-velocity/low-pressure air moving under the engine compartment.
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I think I want to avoid all the work/issues of paneling the underside of a FULLSIZE VAN by using an air dam to reduce drag.
Whereas you'd want to panel the bottom side and go without an air dam, which could potentially be more effective overall. But I feel the ROI wouldn't be worth it in my case, but I understand you're all in on this stuff.
I propose there's more than 1 area of the vehicle/system to use to extract air from the engine bay, my choice would be not stuffing so much air under, thus keeping pressure low despite some stagnation, and having rear of vehicle/system draw on the engine bay.
I feel it's also possible to increase air speed down sides of vehicle with air dam, which could potentially draw air from engine bay.