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Old 06-16-2017, 11:45 AM   #661 (permalink)
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Found these while searching other things....





The second pic is my old van!



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Old 06-16-2017, 06:37 PM   #662 (permalink)
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Show me your rear end - Page 29 - Pelican Parts Technical BBS
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Old 06-18-2017, 07:49 PM   #663 (permalink)
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Please, lose the advertising. And welcome to Ecomodder.

I would point first to the Search box in the upper left. Search on 'Hucho".

Then to Youtube: GraysGarage - YouTube

Finally, Automotive Technology - Bellingham Technical College
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Old 06-19-2017, 03:51 PM   #664 (permalink)
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little jona - '91 Dodge D 250 first gen cummins LE
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Kyle.DRIVES youtube channel

Is a nother good sorce to help understand what is causing the air to move like it is.
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Old 06-23-2017, 04:55 AM   #665 (permalink)
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little jona - '91 Dodge D 250 first gen cummins LE
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https://youtu.be/_NPNiyR5cWo
MAN 's Concept S Vs curent production side by side cfd
Theres a nice cfd of a tear drop in ground effectat 1:01 and morphing into there bullet truck. at 1:07 .
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95Chevy Blazer 4x4 auto 14-18mpg
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Old 06-25-2017, 03:19 AM   #666 (permalink)
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Although NOT wind tunnel pictures, these are interesting aerodynamic pictures which show air flow effect during flight, taken of an F35 flying over an airshow.





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Old 06-30-2017, 12:02 PM   #667 (permalink)
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F-35

As compression ceases along the aircraft,the air behaves as any refrigerant,expanding,losing the heat of compression,falling below dew point to create the cloud as the water vapor condenses.
The same occurs inside the aircraft,as some air from the compressor section of the engine,as a working fluid, is run through an expansion valve,creating air conditioning for the pilot.
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Old 06-30-2017, 12:22 PM   #668 (permalink)
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Quote:
Originally Posted by aerohead View Post
As compression ceases along the aircraft,the air behaves as any refrigerant,expanding,losing the heat of compression,falling below dew point to create the cloud as the water vapor condenses.
The same occurs inside the aircraft,as some air from the compressor section of the engine,as a working fluid, is run through an expansion valve,creating air conditioning for the pilot.
...that's also why such 'visible' effects only happen when RH% is high and temperatures are low to moderate...they don't appear under hot & dry conditions.
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Old 07-01-2017, 01:21 AM   #669 (permalink)
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Those pic's were taken by my active duty friend while in Germany. They had the F35 at an airshow. Between the wingtip vortices and the clouding effect they are really cool pic's.

Last edited by ChopStix; 07-02-2017 at 01:22 AM..
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Old 07-01-2017, 12:32 PM   #670 (permalink)
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It's interesting how the single phenomenon causes two different effects.

The blunt trauma of the bow wave[s] is circular, even though the cross-section of the aerobody is anything but, and dissipates immediately; while the wingtips induce vortexes that persist indefinitely.

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