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<div class="moz-cite-prefix">Dear Crispin, Ron Larson, and Stovers
with char interests,<br>
<pre class="moz-signature" cols="72">Paul S. Anderson, PhD aka "Dr TLUD"
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a> Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
On 4/9/2013 12:18 AM, Crispin Pemberton-Pigott wrote:<br>
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<p class="MsoNormal"><span
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
I put 1 kg of 15% moisture wattle (15.9 MJ/kg) into a TLUD
stove and create 20% char (20% of the moist mass) the net
heat provided by the fire is 10 MJ/kg. The heat available
from the char is still 29.5 so the total is the difference
the bit between: 15.9-10 = 5.9 MJ.<o:p></o:p></span></p>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
someone wants to switch from wood fuel to a ‘cleaner’ TLUD
and that TLUD is not 1.5 times as efficient in
transferring heat, their raw fuel consumption will
increase.<o:p></o:p></span></p>
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The numbers are correct, but the language is biased. "If...switch
from WOOD fuel..., their RAW fuel ..... " How about saying<br>
"If switch from wood fuel stove to a TLUD that does not need to use
wood fuel, their wood fuel consumption could be
eliminated." <br>
<br>
Is the issue about WOOD or is it about efficiencies of devices
(TLUDs) that leave charcoal behind? Actually, both are
important, but the norms of reporting of stove testing with biomass
fuels are too intimately connected with wood because so many stoves
are designed as<b><u> only </u></b>wood burners. <br>
<br>
Let's stop criticizing or penalizing the TLUDs because they make
charcoal. And the new testing protocols/reports MUST have clarity
of wording about efficiencies without the innuendo that TLUDs lack
efficiency because wood (if used) is turned into charcoal.<br>
<br>
Paul<br>
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