Date: Fri, 18 Feb 2011 08:32:33

Author: Rueckner, Wolf

Subject: Re: convection

Post:

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What a beautiful photo! Nice work -- Wolfgang



On Feb 18, 2011, at 7:10 AM, Zani, Gerald wrote:

Note that it is easy and fun to make your own Rheoscopic fluid.

Mix a metallic powder with silicon oil. It is that easy.

http://physics.brown.edu/physics/demopages/Demo/astro/demo/8a1070.htm

A metallic powder or Bronze powder is aka "Fine Aluminum Lining"" and is ma=
nufactured here:

http://www.uhlfeldergoldleaf.com/Bronze&Alum.htm

The term Bronze powder is the generic term for any metallic powder, not nec=
essarily just bronze powder.

Silicon oil is sold for copy machines. - Jerry

On Thu, Feb 17, 2011 at 8:10 PM, Rueckner, Wolf > wrote:
We've heated convection cells of this stuff on a hot plate without ill effe=
cts.

________________________________________
From: tap-l-owner@lists.ncsu.edu [tap-l-=
owner@lists.ncsu.edu] On Behalf Of chuck=
britton [cvbritton@mac.com]
Sent: Thursday, February 17, 2011 5:54 PM
To: tap-l@lists.ncsu.edu
Subject: Re: [tap-l] convection

There is an upper temperature limit for this stuff - but i don't see
it readily on their site.

Anyone know how hot the solutions can get before the neat effect is gone??


At 4:27 PM -0500 2/17/11, Rueckner, Wolf wrote:
>use Rheoscopic Fluid for flow visualization Great stuff!!
>available from www.novostar.com --- Wolfgang




--
Gerald Zani
Demonstration Manager
Physics
Brown University
(401) 863-3964



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Note that it is easy and fun to=
make your own Rheoscopic fluid.Mix a metallic powder with silicon =
oil. It is that easy.http://physics.brown.edu/physics/demopa=
ges/Demo/astro/demo/8a1070.htm

A metallic powder or Bronze powder is aka "Fine Aluminum Lining"" and i=
s manufactured here:http://www.uhlfeldergoldleaf.com/Bronze&Alum.htm =


The term Bronze powder is the generic term for any metallic powder, not=
necessarily just bronze powder.Silicon oil is sold for copy machin=
es. - JerryOn Thu, Feb 17, 2011 at=
8:10 PM, Rueckner, Wolf wrote:

We've heated conv=
ection cells of this stuff on a hot plate without ill effects.

________________________________________
From: tap-l-owner@lists.ncsu.=
edu [tap-l-owner@lists.nc=
su.edu] On Behalf Of chuck britton [tap-l@lists.ncsu.edu
Subject: Re: [tap-l] convection

There is an upper temperature limit for this stuff - but i don't see
it readily on their site.

Anyone know how hot the solutions can get before the neat effect is gone??<=
br>


At 4:27 PM -0500 2/17/11, Rueckner, Wolf wrote:
>use Rheoscopic Fluid for flow visualization Great stuff!!
>available from w=
ww.novostar.com --- Wolfgang

-- Gerald ZaniDemonstr=
ation ManagerPhysicsBrown University(401) 863-3964
=

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From tap-l-owner@lists.ncsu.edu Fri Feb 18 09:20:41 2011

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