 How Much Fan?, for an oil cooler? |
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| McMark |
 Aug 8 2005, 11:12 PM
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#1
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914 Freak!  Group: Retired Admin Posts: 20,180 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None  |
Is there a way to evaluate the potential maximum air flow that an oil cooler can support? The restriction of the fins must limit the amount of air that can be reasonably moved through the cooler. I'd like to be able to evaluate an oil cooler and see if fans would be able to move enough air. As always I'm looking for quantitative analysis information.
I'm hoping 900 CFM would hopefully be enough air for this cooler. (28"x3.5"x3.5") (IMG:http://www.fluidyne.com/images/pg4e.gif) |
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| ArtechnikA |
Aug 10 2005, 01:08 PM
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
4, 6 - either way it's an aux cooler... most little fans spec airflow in freestream air. a little like saying your car will go 165mph because you can redline in 1st gear. they are okay for ventilation - no big pressure drops or flow restrictions. but you don't care what a fan will do sitting on your desk - you care what it'll do trying to shove air into a radiator. or pull air through a radiator. makes a difference, BTW. i'm curious why you think you need it. are you dispensing with the engine-mounted cooler? are you running a 3,6 with no engine mounted cooler? 'cause otherwise the stock cooler does a fine job of dropping temps when there is no load (e.g.. - sitting in traffic). the only reason most 911's run fans is that they have AC and the additional operating load at idle causes heat rise. at high roadspeeds, where "high" isn't actually that fast, the fans actually restrict flow because they can't move air at 50 mph... |
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Posts in this topic
McMark How Much Fan? Aug 8 2005, 11:12 PM
Aaron Cox ahhh the hugely wide nascar oil coolers.....
lots... Aug 8 2005, 11:29 PM McMark I'm hoping to get something that will work wit... Aug 8 2005, 11:39 PM McMark Nuthin? No air flow research? Aug 9 2005, 08:51 PM JmuRiz I wouldn't think you'd need a fan, as long... Aug 10 2005, 09:48 AM Demick Assumption: This is for a 4cyl car, and it is bein... Aug 10 2005, 11:39 AM McMark It's for a six. Why would a fan rated at 120 ... Aug 10 2005, 12:40 PM Demick Yep. What Rich said....
That cooler looks very re... Aug 10 2005, 01:32 PM McMark It's a 3.6 project and it'll have AC. The... Aug 10 2005, 01:48 PM
ArtechnikA Aug 10 2005, 02:11 PM |
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