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<P>-----Original Message-----<BR>From:
greenbuilding-bounces@lists.bioenergylists.org<BR>[<A
href="mailto:greenbuilding-bounces@lists.bioenergylists.org">mailto:greenbuilding-bounces@lists.bioenergylists.org</A>]On
Behalf Of<BR>Corwyn<BR><BR><BR>On 7/4/2012 3:36 PM, Clarke Olsen
wrote:<BR><BR>> though it seems
that loops pulling heat out should be high in the
water,<BR>> and
one putting heat in could stay on the bottom.<BR><BR><FONT face=Arial
color=#0000ff size=2>Yes, indeed I'm sure that is what everybody does, and
with good reason. </FONT><BR><BR>>You will get better stratification if
the incoming water from the<BR>>collector, is heating the warmest water at
the top of the tank, it will<BR>>also be a more efficient heat
exchanger.<BR><BR><FONT face=Arial color=#0000ff size=2>I submit that takes
a lot of explaining. Heat exchangers fundamentally rely on the temperature
difference, the "heat gradient". The greater the difference, the steeper the
gradient. The incoming water from the collector will not find that at the top of
the tank.</FONT></P>
<DIV><FONT face=Arial color=#0000ff size=2></FONT><BR>Nick Pyner<BR><BR>Dee
Why NSW </DIV></BODY></HTML>