water, energy (definately not *nix related)

[Ilya Palagin]

Quoting James Knott <james.knott-bJEeYj9oJeDQT0dZR+AlfA at public.gmane.org>:

> William Park wrote:
> > On Sun, Sep 26, 2004 at 08:45:16PM -0400, Byron L. Sonne wrote:
> >
> >>Greetings,
> >>
> >>Does anyone on the list know if there is any substance, preferably
> >>liquid, that holds heat energy more readily and has a higher capacity
> >>for heat storage than good ole H20?
> >
> >
> > Not sure about the specific heat number, but how about oil (motor oil,
> > cooking oil)?
> >
> 
> As I recall, the advantage of oil, was the ability to withstand
> temperature and to lubricate.  In auto engines, the oil cools the hot
> spots and moves the heat to a location, where the water/glycol can cool
> it.  But I believe the oil doesn't hold as much heat as water, at the
> same temperature.  In automatic transmissions and some aircraft engines,
> the oil is used to both lubricate and cool, without using water/glycol.
> 

Here is the thermal capacity top 3:
1.H2
2.liquid ammonia
3.H20

Oil keeps two times less heat than water.


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