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From: "moorea(uol)" <moorea@uo*.co*.br*>
To: <techdiver@aquanaut.com>
Subject: Helium thermal properties
Date: Tue, 20 Feb 2001 10:05:02 -0300
This is a multi-part message in MIME format.

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Hello all !=20
I=B4ve been diving since 86, and nowadays i made my own mixes, but now, =
i decided to go certified.
My instructor, talking about thermal loss in a trimix class, explain me =
that the heat exchange is a direct relationship with gas density.
I=B4ve read and learn in the past (including in phisics class at regular =
school)  that heat exchange depends of  thermal conductivity of the =
media (Q =3D mc delta t) where "c" is the thermal conductivity.
Can you help me with that ?
Am i right ?

thanks=20

Marcelo Moorea

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2614.3500" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hello all ! </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I=B4ve been diving since 86, and =
nowadays i made my=20
own mixes, but now, i decided to go certified.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>My instructor, talking about thermal =
loss in a=20
trimix class, explain me that the heat exchange is a=20
direct relationship with gas density.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>I=B4ve read and learn in the past =
(including in=20
phisics class at regular school)  that heat exchange depends of=20
 thermal conductivity of the media (Q =3D mc delta t) where "c" is =
the=20
thermal conductivity.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Can you help me with that =
?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Am i right ?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>thanks </FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Marcelo =
Moorea</FONT></DIV></BODY></HTML>

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