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Old 06-13-2024, 10:30 AM   #234 (permalink)
aerohead
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' ( F. W. ) Meredith Effect '

Quote:
Originally Posted by freebeard View Post
Call it Meredith Effect then?



That's really sad, local to me BRING recycling is flooded with diamond plate and architectural aluminum sheets in 4x4ft and larger sizes. Priced in the hundreds of dollars.

I just scored three 10ft corrugated steel sheets that have holes around the edges but none through the field so new you can see the Zinc crystals on the underside. $24 each, and I'm going to try spot welding two sheets together to reroof the breezeway.
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It was more useful, although it's usefulness was extremely contextual:
* Let's say, you're a Tuskegee Airman, flying B-17 Bomber escort in your 'Red Tail' P-51 Mustang.
* You're operating at 30,000-feet, at a maximum 437-mph, air density = 0.000891 slugs, with your Allison V-engine rejecting 25% of the fuel's energy as cooling system heat, to outside air which is from -40F, to -70F, and a delta-T = 200F across the Bauman-scooped, belly radiator core.
* Compared to a Corvette ZO6, at 85-mph, at Furnace Creek, Death Valley, California
A) the max-Q for the P-51 is 990% greater than the Chevy is experiencing.
B) the delta-T is 256% greater than the Chevy.
C) the delta-V is 514% greater.
* The Mustang is 'transonic' within compressible flow.
* The Chevy is 'subsonic' within incompressible flow.
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The only reason the Meredith Effect can produce thrust off the radiator exit is because of it's velocity and flight conditions, which could never exist for a road vehicle, in ground proximity.
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