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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#993366'>How about a filter holder designed for vacuum filtration where a white filter paper is placed on the holder and a vacuum is applied at a known air flow rate through the filter. Snap shots taken during the run and the final weight per total unit air volume calculated at the end. Perhaps plotted real time with snapshots taken every few seconds. That will keep someone busy. <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#993366'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#993366'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#993366'><o:p> </o:p></span></b></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Stoves [mailto:stoves-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Lanny Henson<br><b>Sent:</b> Monday, September 30, 2013 11:31 AM<br><b>To:</b> Discussion of biomass cooking stoves<br><b>Subject:</b> Re: [Stoves] A simple method of soot measurement<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:10.0pt'><b><span style='font-size:10.5pt;font-family:"Verdana","sans-serif"'>How about a metal tray above the exhaust that is filled with ice to condense the exhaust and let the condensation drip on a white cloth. You could change or move the cloth to see how you are doing.<o:p></o:p></span></b></p></div><blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>----- Original Message ----- <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#E4E4E4'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:frank@compostlab.com" title="frank@compostlab.com">Frank Shields</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:stoves@lists.bioenergylists.org" title="stoves@lists.bioenergylists.org">'Discussion of biomass cooking stoves'</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Monday, September 30, 2013 1:31 PM<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Re: [Stoves] A simple method of soot measurement<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear Anil,<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Very interesting. <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I am sure during the research you have tried many things so I ask did you try using white construction paper that could easily be replaced?<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>And did you try pointing the camera 90 degrees from the light pattern to see if it is sensitive enough to measure the reflected light directly from the airborne particles? Just wondering.<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>And how do we relate the gained weight on the plate to the mass per meter of air? <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I just down loaded the free app you mention to my new i-phone and am amazed at what these phones can do. Yesterday I discovered it can measure heart rate! <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Frank<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Stoves [<a href="mailto:stoves-bounces@lists.bioenergylists.org">mailto:stoves-bounces@lists.bioenergylists.org</a>] <b>On Behalf Of </b>nari phaltan<br><b>Sent:</b> Monday, September 30, 2013 2:13 AM<br><b>To:</b> Discussion of biomass cooking stoves<br><b>Subject:</b> [Stoves] A simple method of soot measurement<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'>Hello stovers,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'>We have developed a simple method of soot measurement. <a href="http://www.nariphaltan.org/sootpaper.pdf">www.nariphaltan.org/sootpaper.pdf</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'>Feedback, comments and suggestions are welcome.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Verdana","sans-serif";color:#000066'>Anil K Rajvanshi<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>-- <br><span style='font-family:"Arial","sans-serif";color:#330099'>Nimbkar Agricultural Research Institute (NARI)<br>Tambmal, Phaltan-Lonand Road<br>P.O.Box 44<br>Phaltan-415523, Maharashtra, India<br>Ph:91-2166-222396/220945<br><a href="mailto:e-mail%3Anariphaltan@gmail.com" target="_blank">e-mail:nariphaltan@gmail.com</a><br> <a href="mailto:anilrajvanshi@gmail.com" target="_blank">anilrajvanshi@gmail.com</a></span><br><br><a href="http://www.nariphaltan.org" target="_blank">http://www.nariphaltan.org</a><o:p></o:p></p></div><div class=MsoNormal align=center style='text-align:center'><hr size=3 width="100%" align=center></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org">stoves@lists.bioenergylists.org</a><br><br>to UNSUBSCRIBE or Change your List Settings use the web page<br><a href="http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/">http://stoves.bioenergylists.org/</a><o:p></o:p></p></blockquote></div></body></html>