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Old 02-02-2006, 08:53 PM
SimonR SimonR is offline
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Join Date: Dec 2005
Posts: 1
Default Question about TurboIce Paper


I'm a noob so apologies if this is a stupid question.

The TurboIce paper (fascinating reading) contains a graph from Aquamist (page 20) which suggests that compressor exit temps at 2 bar on a 60% efficiency compessor will be 200+ degrees C. It then goes on to say (page 21 para 1) that "At full saturation the induction charge will have a significantly reduced temperature somewhere between the ambient temperature and the temperature of the injected water."

If I am interpreting this correctly, on a 20C day with water at an under-bonnet temp of 30C, a saturated charge would have a temperature of 20-30C. I am assuming that "exit temperature of compressor" means charge temperature immediately post-compressor.

I'm not suggesting that the paper is wrong, merely asking if I am interpreting it correctly. Am I? If so, this is an enormous intercooling effect and I'll start planning my WI install straight away.
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Old 03-02-2006, 09:37 AM
JohnA JohnA is offline
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Join Date: Nov 2003
Posts: 352

Just two notes:

1. The temperature of the injected water would be roughly same as the engine bay temperature (if the water tank is in the bay).
That could easily be 30C over ambient.

2. The assumption of 'full saturation' may not be satisfied in real life.


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