<font color="#333399"><font><font face="tahoma,sans-serif"><b>A better way is to provide both light and heat. <a href="http://www.nariphaltan.org/kerolanstove.pdf">www.nariphaltan.org/kerolanstove.pdf</a></b></font></font></font><div>
<font color="#333399"><font><font face="tahoma,sans-serif"><b><br></b></font></font></font></div><div><font color="#333399"><font><font face="tahoma,sans-serif"><b>Cheers.</b></font></font></font></div><div><font color="#333399"><font><font face="tahoma,sans-serif"><b><br>
</b></font></font></font></div><div><font color="#333399"><font><font face="tahoma,sans-serif"><b>Anil<br></b></font></font></font><br><div class="gmail_quote">On Wed, Mar 7, 2012 at 10:06 AM, John Davies <span dir="ltr"><<a href="mailto:jmdavies@telkomsa.net">jmdavies@telkomsa.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-ZA" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Greetings, <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Has anyone thought of replacing the metal mesh dome with one of ceramic ? or better even a bed of ceramic stones. I will write in detail when I have more time.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">John Davies.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:stoves-bounces@lists.bioenergylists.org" target="_blank">stoves-bounces@lists.bioenergylists.org</a> [mailto:<a href="mailto:stoves-bounces@lists.bioenergylists.org" target="_blank">stoves-bounces@lists.bioenergylists.org</a>] <b>On Behalf Of </b>Paul Olivier<br>
<b>Sent:</b> 07 March 2012 02:25 AM<br><b>To:</b> <a href="mailto:mredmond3@gatech.edu" target="_blank">mredmond3@gatech.edu</a>; Discussion of biomass cooking stoves<br><b>Subject:</b> Re: [Stoves] the 150 gasifier in operation in Vietnam (Matt Redmond)<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal" style="margin-bottom:12.0pt">Matthew,<br><br>You say:<br><i>Silicon Carbide seems like a reasonable mesh choice - chemically stable and able to withstand high temperatures. It even has a higher emissivity than stainless steels in the 0.7-10 micron wavelength range (red visible light - mid-IR range), meaning that it will emit more EM radiation than a stainless steel at the same temperature. <a href="http://www.pyrometry.com/emissivity_materials.php" target="_blank">http://www.pyrometry.com/emissivity_materials.php</a> </i><u></u><u></u></p>
<div><p class="MsoNormal">You say that silicon carbide has a higher emissivity and will emit more EM radiation at the same temperature than stainless steel.<br>I think that this is the critical point: how to get more radiation at the same temperature.<br>
<br>Thanks.<br>Paul<br><br><br><u></u><u></u></p></div></div></div><br>_______________________________________________<br>
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