Retraction (was: Cooling with oil)

[juliemac57 at hotmail.com (Julie Macfarlane)]

Ummm yes.

Why do I see small dollar signs behind my eyes when I look at my car?



Julie Macfarlane
Menlo Park Research & Development
Internet Application Developer
www.menloparkrandd.com
www.montgomeryweb.org
Amsterdam NY





>From: "Jeff Toomasson" <jtoomasson@yahoo.com>
>To: "list" <scirocco-l@scirocco.org>
>Subject: Retraction (was: Cooling with oil)
>Date: Thu, 25 Sep 2003 12:38:04 -0700
>
>It was pointed out to me that my statement was erroneous. Sorry for wasting
>the bandwidth on this drivel.
>
>Maybe I'll just go skulk away from physics-related questions from now 
>on....
>
>Anyone have any Neurophysiology questions?!  :-/
>
>JT [sheepish]
>----- Original Message -----
>From: "Jeff Toomasson" <jtoomasson@yahoo.com>
>To: "Dan Bubb" <jdbubb@ix.netcom.com>; "Kervin Ridgley"
><kridgley@brownscar.com>; "list" <scirocco-l@scirocco.org>
>Sent: Thursday, September 25, 2003 11:50 AM
>Subject: Re: Cooling with oil
>
>
> > Just to provide a little clarification, oil wouldn't work in this
> > application because its specific heat coefficient is MUCH higher than
>water
> > or glycol. Since pure water has a low specific heat (dH = 1.0), it has a
> > greater cooling capacity in that it can _exchange_ heat faster that a
>medium
> > with a higher specific heat - also provided it has an outlet to exchange
> > that heat to (i.e., radiator). You are right that oil could absorb more
>heat
> > in the long run but the internal combustion engine generates so much 
>heat
>so
> > fast that it has to exchange it faster that a high specific heat 
>material
> > could provide.
> >
> > Aside from its corrosive properties pure water is a nearly perfect heat
> > exchange medium in a pressurized system.
> >
> > HTH, JT
> >
> > ----- Original Message -----
> > From: "Dan Bubb" <jdbubb@ix.netcom.com>
> > To: "Kervin Ridgley" <kridgley@brownscar.com>; "list"
> > <scirocco-l@scirocco.org>
> > Sent: Thursday, September 25, 2003 7:52 AM
> > Subject: Re: Cooling with oil
> >
> >
> > > Oil is more viscous than water so it would pump slower. That would
>reduce
> > > cooling capacity.
> > > Oil also has less thermal capacity than water so the amount of heat 
>that
> > > could be carried by a given volume of coolant would also decrease. 
>That
> > > would also decrease cooling capacity.
> > > OTOH you would never have any corrosion in your cooling system!
> > > Dan
> > >
> > > ----- Original Message -----
> > > From: "Kervin Ridgley" <kridgley@brownscar.com>
> > > To: "list" <scirocco-l@scirocco.org>
> > > Sent: Thursday, September 25, 2003 10:10 AM
> > > Subject: Cooling with oil
> > >
> > >
> > > I was wondering if you could take the coolant out of a JH engine and
>fill
> > it
> > > with oil and have it work.  I don't plan on doing it, I was just
> > wondering,
> > > maybe I just need another cup of coffee.
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