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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: Cooling on well any car!!!
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Tue, 14 December 2004 03:25
 
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i guess technically that is correct, over the front section of the bonnet there may be lower pressure, but the rear of the bonnet will be higher than this..
it's hard to find many good pics to illustrate this but
and the animation at..
http://www2.icfd.co.jp/examples/car_p/car2.html
the green area at the back of the bonnet, base of windscreen is green = higher pressure..
http://www.autospeed.com/cms/search/index.html?sco pe=&keywords=aero+testing
| Quote: |
Pressure on top of the bonnet? Why would there be any? The pressure on the surface of the bodywork depends on the aerodynamic flows over it. This DaimlerChrysler graphic shows the typical frontal pressure distribution of a car. Looking just at the bonnet you can see that there is low pressure (blue) where the air wraps around the leading edge of the bonnet, grading to high pressure (green) as the air reaches the obstruction which is the windscreen.
So you wouldn’t site a bonnet outlet vent close to the windscreen – in fact that’s usually where the cabin ventilation inlet ducts are... they’re taking advantage of that high pressure! Looking at just the exterior pressures, what we want at the vent location is the very lowest external pressure.
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http://www.autospeed.com/cms/A_2162/article.html
this help?
Cya, Stewart
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| | Subject | Poster | Date |
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Cooling on well any car!!!
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celicaboy_2000 | Sat, 11 December 2004 05:39 |
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Re: Cooling on well any car!!!
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white86 | Sat, 11 December 2004 07:01 |
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Re: Cooling on well any car!!!
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biggo | Sat, 11 December 2004 07:06 |
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Re: Cooling on well any car!!!
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celicaboy_2000 | Sun, 12 December 2004 01:12 |
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Re: Cooling on well any car!!!
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colouring_in_book | Sun, 12 December 2004 01:29 |
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Re: Cooling on well any car!!!
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YelloRolla | Sun, 12 December 2004 06:39 |
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Re: Cooling on well any car!!!
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draven | Sun, 12 December 2004 07:57 |
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Re: Cooling on well any car!!!
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jesseT18 | Sun, 12 December 2004 08:17 |
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Re: Cooling on well any car!!!
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draven | Sun, 12 December 2004 08:42 |
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Re: Cooling on well any car!!!
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thechuckster | Sun, 12 December 2004 12:25 |
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Re: Cooling on well any car!!!
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mrshin | Mon, 13 December 2004 01:11 |
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Re: Cooling on well any car!!!
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Celica_John | Mon, 13 December 2004 03:03 |
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Re: Cooling on well any car!!!
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SupraPete | Sun, 19 December 2004 23:34 |
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Re: Cooling on well any car!!!
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Celica_John | Tue, 21 December 2004 02:57 |
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Re: Cooling on well any car!!!
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c2888 | Mon, 13 December 2004 04:27 |
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Re: Cooling on well any car!!!
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gold28 | Mon, 13 December 2004 23:26 |
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Re: Cooling on well any car!!!
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oldcorollas | Mon, 13 December 2004 23:55 |
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Re: Cooling on well any car!!!
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gold28 | Tue, 14 December 2004 02:05 |
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Re: Cooling on well any car!!!
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oldcorollas | Tue, 14 December 2004 03:25 |
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Re: Cooling on well any car!!!
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Norbie | Tue, 14 December 2004 11:55 |
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Re: Cooling on well any car!!!
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Phrostbyte | Tue, 14 December 2004 12:41 |
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Re: Cooling on well any car!!!
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gold28 | Tue, 14 December 2004 21:11 |
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Re: Cooling on well any car!!!
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Corona RT142 | Tue, 14 December 2004 22:40 |
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Re: Cooling on well any car!!!
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celicaboy_2000 | Sun, 19 December 2004 10:41 |
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Re: Cooling on well any car!!!
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SupraPete | Sun, 19 December 2004 23:31 |
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Re: Cooling on well any car!!!
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Chris Davey | Mon, 20 December 2004 00:05 |
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Re: Cooling on well any car!!!
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Celica_John | Tue, 21 December 2004 02:56 |
