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RE: Temperature drop across a rad

To: "'Theo Smit'" <tsmit@isotel.com>,
Subject: RE: Temperature drop across a rad
From: "Ronak, TP (Timothy)" <Timothy.P.Ronak@akzo-nobel.com>
Date: Fri, 5 Nov 1999 19:14:28 -0600
Theo and Listers,
The image read surface temperature and as I recall just needed an
unobstructed view of the surface. Easily done from the front as he was able
to do a wide angle or do a multiple image pass really close with the camera
and have us just watch the video. We also videoed from inside the engine bay
and got a really good shot of the full surface of the rad. Our stock ...
dare I say it???...Camaro ...rad was a one pass rad based on the video and I
believe the Tiger one in my car is as well. But I would think that if you
add rows and or increase the ID of the core tubes you should be able to do
this as it is just a hydraulic system and will the pressure being pumped is
increased to the Rad outlet pipe it should not impact the pressure cap or
anything else. Why else would you put a high volume HiPo 289 water pump on? 
What does everyone think???

-----Original Message-----
From: Theo Smit [mailto:tsmit@isotel.com]
Sent: Friday, November 05, 1999 4:12 PM
To: 'Ronak, TP (Timothy)'; Tiger News Group List
Subject: RE: Temperature drop across a rad


Hi Tim,

How much did the presence of the plastic nose on the Camaro affect the 
ability of the camera to 'read' the radiator? I think it's a great idea (I 
remember seeing the van with the camera out at the track) but I think that 
the Tiger's small nose opening and the fact that those are steel panels may 
make it more difficult to get a good assessment of the rad efficiency using 
the infrared camera.

If you make a multipass rad then you increase the flow restriction 
geometrically, i.e. if you convert a single pass rad to a two-pass, you get 
four times the restriction (half the number of tubes, and twice the length) 
and for a three pass, nine times the restriction. Since making the Tiger 
rad a three-pass is not too hard, what's the general opinion on flow 
restriction? Is this a limiting factor for a three or four-row HE rad?

Theo
On Friday, November 05, 1999 8:31 AM, Ronak, TP (Timothy) 
[SMTP:Timothy.P.Ronak@akzo-nobel.com] wrote:
> Theo and Rick you said,
>
<Snip!>
> In response to Rick's Question,
> <How would one go about or What is the best way to measure the 
temperature
> drop across a radiator?>
>
<rant snipped>
> OK, Back when we used to race our "Camero" (OK, there it is.... those of 
you
> not reading can now open your eyes and begin reading again) in Calgary we
> had an opportunity to have our Race Car read by some type of temperature
> sensing camera. Theo, you may remember this guy out at Race City as he
> offered to "scan" peoples cars to measure surface temperature. This was a
> pretty cool thing as it had several levels of sensitivity ranges. What he
> would do is use a video camera type device that "pictured" the car such 
that
> when viewed on a monitor you could see the different colour ranges that
> represented different temperatures of different components.
>
<snip>
>
>
> Best regards all,
> Tim Ronak
> B382000680
>

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