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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Dear Gustavo</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There is a great deal you can learn from having very simply instruments like a scale and a thermometer. The following was obtained with a scale and a thermometer. It is a charcoal stove with a high mass (which explains the efficiency above 200% at the end). The stove costs about $2.50 to make in Indonesia and sells for about $5.50. A series of 7 identical pots of water were placed on the stove one after another to establish the heat transfer efficiency, power, efficiency change with water temperature (none), retained heat capacity, overall efficiency and efficiency v.s. power at different stages of the burn. It took about 90 minutes.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=453 height=251 id="Picture_x0020_1" src="cid:image002.jpg@01CE325C.495377B0"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=454 height=212 id="Picture_x0020_2" src="cid:image004.jpg@01CE325C.495377B0"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=453 height=250 id="Picture_x0020_3" src="cid:image011.jpg@01CE325C.495377B0"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=454 height=489 id="Picture_x0020_4" src="cid:image009.png@01CE325B.E3A90240"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><img width=323 height=453 id="Picture_x0020_5" src="cid:image010.png@01CE325B.E3A90240"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>No gas emissions, no PM. Imagine what we could show if we had a couple of instruments!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Crispin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>++++++++<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div><p class=MsoNormal style='background:white'><span style='color:black'>thank you the information Crispin since I donīt have lab equipment only basic WBT testing equipment this information it is very helpfull for my work.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Best Regards<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Gustavo<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div><div><div><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Crispin Pemberton-Pigott <<a href="mailto:crispinpigott@gmail.com">crispinpigott@gmail.com</a>><br><b>To:</b> 'Paul Anderson' <<a href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>>; 'Discussion of biomass cooking stoves' <<a href="mailto:stoves@lists.bioenergylists.org">stoves@lists.bioenergylists.org</a>> <br><b>Cc:</b> 'Ranyee Chiang' <<a href="mailto:rchiang@cleancookstoves.org">rchiang@cleancookstoves.org</a>> <br><b>Sent:</b> Thursday, April 4, 2013 11:39 PM<br><b>Subject:</b> Re: [Stoves] Stove testing with and beyond the WBT</span><span style='color:black'><o:p></o:p></span></p></div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p><div id=yiv1481262115><div><div><div><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Here is the same PPT in PDF format.</span><span style='color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards</span><span style='color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Crispin</span><span style='color:black'><o:p></o:p></span></p></div></div></div></div></div></div></div></div></body></html>