<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Dean and list:</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>See below.</div><div><br></div><br><div><div>On Dec 8, 2014, at 2:29 PM, Dean Still <<a href="mailto:deankstill@gmail.com">deankstill@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Hi Ron,<div><br></div><div>I think it’s a great idea to discuss the standards and I hear that folks are planning to do so.</div></div></blockquote><span class="Apple-tab-span" style="white-space:pre"> </span>I will be pushing for adding to the standards something on reporting on saved time during cooking and making money through sale of char.<br><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><br><blockquote type="cite"><div dir="ltr"><div> Have you seen Kirk's new TLUD? Great to see clean high power and large turn down ratio!</div></div></blockquote><span class="Apple-tab-span" style="white-space:pre"> </span>Yes - I have had the pleasure of talking a good bit with Kirk - ever since the/your last Aprovecho stove camp. <div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>Thanks to you and Aprovecho for the considerable support you have given Kirk.</div><div><br></div><div><span class="Apple-tab-span" style="white-space: pre;"> </span>Two chief innovations in Kirk’s work, that I hope others will start looking at including in their designs: </div><div><span class="Apple-tab-span" style="white-space:pre"> </span>a) getting swirl (more than half a revolution) and </div><div><span class="Apple-tab-span" style="white-space:pre"> </span>b) getting secondary air to both the outside and inside of the main combustion zone. </div><div><br></div><div>Still has a diffusion flame, but much shorter because of turbulence. Can save a lot in stove height, and therefore cost.</div><div><br></div><div>Ron</div><div><br></div><br><blockquote type="cite"><div dir="ltr"><div><br></div><div>Best,</div><div><br></div><div>Dean</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 8, 2014 at 11:47 AM, Ronal W. Larson <span dir="ltr"><<a href="mailto:rongretlarson@comcast.net" target="_blank">rongretlarson@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>Dean and list:</div><div><br></div><div><span style="white-space:pre-wrap"> </span>1. Based on your Friday message below, ETHOS should have an outstanding bump in attendance. Thanks for your work in organizing and promoting. (Abstracts due 1 Jan.)</div><div><br></div><div><span style="white-space:pre-wrap"> </span>2. You have also been recently commenting on this list about last month’s WHO report, which you mention in your last line below and I have final gotten to skim through. This is to hope that you can assure some ETHOS dialog on how it compares to the DoE and GACC efforts. I recommend all read at least the last few pages of that report - found at:</div><div><a href="http://apps.who.int/iris/bitstream/10665/141496/1/9789241548885_eng.pdf" target="_blank">http://apps.who.int/iris/bitstream/10665/141496/1/9789241548885_eng.pdf</a></div><div><br></div><div><span style="white-space:pre-wrap"> </span>3. As an example, I hope you can find knowledgeable persons to talk about this from Annex Section 9.2:</div><div><i><br></i></div><div><div><i>The IWA is designed with three main goals in mind. The first goal is that the</i></div><div><i>tiers of performance should allow the sector to acknowledge progress (from a</i></div><div><i>baseline of Tier 0) while setting aspirational goals (Tier 4). For the indoor emissions</i></div><div><i>indicator, the emissions rate that qualifies stoves for Tier 4 is based on that</i></div><div><i>which will result in meeting existing WHO indoor air quality guidelines for fine</i></div><div><i>particulate matter (PM2.5) (annual average interim target (IT)-1 of 35 µg/m3) (1)</i></div><div><i>and CO (24-hr average of 7 mg/m3) (2) using an earlier version of the single-zone</i></div><div><i>model described in Review 3.</i></div></div><div><i><br></i></div><div>and where you have talked about the IWA having for instance 2 mg/m3 for CO. I’d just like to hear more on such details at ETHOS.</div><div><br></div><div><span style="white-space:pre-wrap"> </span>4. Thanks also for the recent summary you gave of the 14 points discussed in detail in this WHO report. I found the report to be well written by knowledgeable people, However, they apparently failed to have any authors who have been investigating char-making stoves - the topic of about half the messages on this list. I see a little recognition under the term “fans” - but hope others more familiar with this WHO report can explain more on this lapse. (And Aprovecho was not well enough represented either in that WHO study.)</div><div><br></div><div><span style="white-space:pre-wrap"> </span>And how biochar can promote better stove performance - if we ever see carbon credits.</div><div><br></div><div><span style="white-space:pre-wrap"> </span>5. I don’t see as much enthusiasm in this report for LPG as we have recently discussed on this list re GACC comments on LPG. Hope that also can be big at ETHOS.</div><div><br></div><div>Ron</div><div><br></div><div><br></div><br><div><div>On Dec 5, 2014, at 3:57 PM, Dean Still <<a href="mailto:deankstill@gmail.com" target="_blank">deankstill@gmail.com</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr"><div style="padding-left:0px;font-size:13px"><table cellpadding="0"><tbody><tr><td style="width:248px"><b>Hi All,</b></td><td><br><div style="outline:0px"><span><img src="https://mail.google.com/mail/u/0/images/cleardot.gif" alt=""></span></div></td><td></td><td rowspan="2"><div><img src="https://mail.google.com/mail/u/0/images/cleardot.gif" alt=""></div><div><img src="https://mail.google.com/mail/u/0/images/cleardot.gif" alt=""></div></td></tr><tr><td colspan="3"><table cellpadding="0" style="width:426px"><tbody><tr><td><div><br></div><div><img src="https://mail.google.com/mail/u/0/images/cleardot.gif" alt=""></div></td></tr></tbody></table></td></tr></tbody></table></div><div style="font-size:13px;margin-bottom:0px;margin-left:0px;padding-bottom:5px"><div style="overflow:hidden"><div dir="ltr">As many of you know, the yearly ETHOS conference (January 23-25) is located at NorthWest University in Kirkland, Washington. ETHOS was created 14 years ago to bring the lab and field closer together, to give field and lab workers a place to exchange knowledge and ideas. <div><br></div><div>This is an especially interesting year! The Department of Energy funded six projects to research and create 'Tier 4' stoves: biomass cookstoves that protect human health and address climate change. These projects will report their progress and 'Tier 4' stoves will be displayed and lit in the courtyard!</div><div><br></div><div>The Global Alliance has also accomplished so many things this year, just recently having fund raised 700 million dollars for stove projects. ETHOS provides a space for interacting and asking questions. What is happening with the ISO standards? What do the new WHO guidelines mean for stove projects?</div><div><br></div><div><br></div><div>To register and for more information see: <a href="http://ethoscon.com/" target="_blank">ethoscon.com</a></div></div></div></div></div>
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