Quote:
Originally Posted by cbergeron
Getting back on topic...
This is equivalent to compressing a larger volume of air into a smaller space. The net result is that air compression has to take place. Compressing air hinders thermofluid dynamics. It's really obvious if you think about it; it just requires a new way of looking at things that have long been considered 'normal' or 'de facto'.
That's just my opinion, of course...
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I highly doubt there's any compression.... Flow compressibility really isn't considered until you reach mach numbers ~.3 or so (which is above 200mph - this number is partially arbitrary).
The easiest way to test this is with a manometer....