Daft Question Time!! AC Intercooler??
Daft Question Time!! AC Intercooler??
Author
Discussion

Gelf VXR

Original Poster:

713 posts

230 months

Monday 17th December 2007
quotequote all
Can the AC circuit be diverted and be used as a viable AC to air intercooler?

ringram

14,701 posts

271 months

Monday 17th December 2007
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Probably not enough capacity?

Gelf VXR

Original Poster:

713 posts

230 months

Monday 17th December 2007
quotequote all
Ok, what if for example you have your normal air to water IC under the SC and water to air heat exchanger in front of the radiator, and then used an AC to water cooler to super cool the water just before the IC under the SC??


Sorry, I'm bored lol

ads_green

838 posts

255 months

Monday 17th December 2007
quotequote all
The power drain from the AC is going to be more than you'd get from the AC cooled intercooler.

Gelf VXR

Original Poster:

713 posts

230 months

Monday 17th December 2007
quotequote all
Thought so, i just read some where that for a 400bhp engine, a drop in intake temps of 1 C = 0.67bhp. If the compressor costs 5 bhp, inlet temps would have to drop by at least 4 C before any net gains

eliot

11,988 posts

277 months

Monday 17th December 2007
quotequote all
Ford have a patent on it, so its not that daft. You need to carry extra water with you, cool the water down whilst cruising then when you hit boost the A/C is disingaged.
Google around a bit, its been discussed - but I dont think its been implemented anwhere (apart from for doing a demo)

Gelf VXR

Original Poster:

713 posts

230 months

Monday 17th December 2007
quotequote all
Found this

http://www.coolflow.com/intracooler/intercooler.ht...

HOW IT WORKS: The Cool Flow refrigerated chiller & intercooler system has four major components, (a) refrigerant/liquid heat exchanger (b) air/liquid intercooler (c) chilled liquid reservoir (d) coolant pump. Everything else supports those components. The a/c system supplies refrigerant to the chiller's own heat exchanger which lowers the liquid temperature. The cold liquid (typically 50%-50% distilled water/ethylene glycol mixture) is then pumped by a 12-volt d.c. water pump from the chiller to the intercooler, to the reservoir, then back to the pump.
Intercoolers are basically heat exchangers for increasing engine performance. Turbochargers send mass air flow to the engine, but an unwanted byproduct is also included, HEAT.
Whether intercoolers are referred to as heat exchangers, radiators, or intercoolers, they put DENSITY back into the air by removing heat. High density air improves fuel efficiency, increases power & engine performance, reduces NOx emissions, and will not damage engine valves.

Q & A

Question: Don't you lose horsepower, due to the extra torque required to drive the a/c compressor?

Answer: No. Many vehicle computer systems automatically deactivate the a/c clutch circuit at about 75% of full throttle. For those which do not, just manually turn off the a/c switch just prior to max acceleration. Remember, the purpose of the insulated liquid reservoir is to store pre-cooled liquid for future use. That means that the intercooler receives a steady stream of cold liquid even AFTER the compressor is disengaged because it is being fed by the electric water pump. When you order a reservoir, be sure it is large enough to prevent a power fade down the stretch.



Edited by Gelf VXR on Monday 17th December 15:32

S600VXR

5,877 posts

223 months

Monday 17th December 2007
quotequote all
Slightly different but on the same track as this. Whilst Ive been playing big turbo bikes for the last couple of yrs - read 500+hp out of 1300cc a number of people tried chrogenic coolers and ice packs etc, all have worked a little but only by single figure %'s and the added weight and complications have shelved all that I know of. The best thing is to bang on a huge great intercooler as the physical mass itself helps reduce heat. I know this as I fitted an RS500 intercooler to a Cosworth years ago and just that improved things very noticably!

eliot

11,988 posts

277 months

Monday 17th December 2007
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SS HSV

9,646 posts

281 months

Monday 17th December 2007
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I asked this very same question about two years ago and the answer I got was that there is a Ford truck in the US that alaready has this system fitted. It has a tank of cold water fitted in the boot. They only provide enough cooling capacity for a couple of runs before they need to cool down again.

Sadly I cannot remember either the name of the truck nor the name of the chiller unit but you can buy them from either ebay or Ford US and they are not expensive.

Gelf VXR

Original Poster:

713 posts

230 months

Tuesday 18th December 2007
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eliot said:
LOL, what is that all about, the love of my life is my Ro he he