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<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>Grispin<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>To your infomation if Dean dont' have the exact
figures by hand the TLUD-ND I made at Stove Camp 2009 had the following
settings. <SPAN
style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial> The
combustion chamber <SPAN style="mso-spacerun: yes"> had a </SPAN>diameter
150mm and was 180 h<o:p></o:p></FONT></SPAN></P>
<UL style="MARGIN-TOP: 0cm" type=disc>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><FONT face=Arial><?xml:namespace prefix = st1 ns =
"urn:schemas-microsoft-com:office:smarttags" /><st1:metricconverter w:st="on"
ProductID="55 mm"><SPAN style="FONT-SIZE: 10pt" lang=EN-GB>55
mm</SPAN></st1:metricconverter><SPAN style="FONT-SIZE: 10pt" lang=EN-GB> free
space from concentration lid up to the pot<o:p></o:p></SPAN></FONT></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><FONT face=Arial><st1:metricconverter w:st="on"
ProductID="105 mm"><SPAN style="FONT-SIZE: 10pt" lang=EN-GB>105
mm</SPAN></st1:metricconverter><SPAN style="FONT-SIZE: 10pt" lang=EN-GB> hole
in concentration lid<o:p></o:p></SPAN></FONT></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><FONT face=Arial><st1:metricconverter w:st="on"
ProductID="6 mm"><SPAN style="FONT-SIZE: 10pt" lang=EN-GB>6
mm</SPAN></st1:metricconverter><SPAN style="FONT-SIZE: 10pt" lang=EN-GB> split
between concentration lid and top of thee combustion chamber - 4x15mm for the
stand for 2<SUP>nd</SUP> air<o:p></o:p></SPAN></FONT></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><SPAN style="FONT-SIZE: 10pt" lang=EN-GB><FONT face=Arial>5
five mm holes <st1:metricconverter w:st="on" ProductID="75 mm">75
mm</st1:metricconverter> up from the bottom on the side of the combustion
chamber <o:p></o:p></FONT></SPAN></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><SPAN style="FONT-SIZE: 10pt" lang=EN-GB><FONT face=Arial>5
five mm holes <st1:metricconverter w:st="on" ProductID="25 mm">25
mm</st1:metricconverter> up from the bottom on the side of the combustion
chamber <o:p></o:p></FONT></SPAN></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><SPAN style="FONT-SIZE: 10pt" lang=EN-GB><FONT face=Arial>13
five mm holes at the bottom plate for 1<SUP>st</SUP>
air<o:p></o:p></FONT></SPAN></LI>
<LI
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><FONT face=Arial><st1:metricconverter w:st="on"
ProductID="15 mm"><SPAN style="FONT-SIZE: 10pt" lang=EN-GB>15
mm</SPAN></st1:metricconverter><SPAN style="FONT-SIZE: 10pt" lang=EN-GB> space
between combustion chamber an cover for preheating of
2<SUP>nd</SUP>.air</SPAN></FONT></LI></UL>
<DIV
style="MARGIN: 0cm 0cm 0pt; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt"
class=MsoNormal><FONT face=Arial><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB></SPAN></FONT><SPAN style="FONT-SIZE: 10pt" lang=EN-GB><FONT
face=Arial>The combustion chamber was filled with 1kg of wood pellets and a
complete 5 wbt carried out.with following result.<o:p></o:p></FONT></SPAN></DIV>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><o:p><FONT face=Arial> </FONT></o:p></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>Fuel to Cook 5L <o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>(8 50/1500) g<SPAN
style="mso-spacerun: yes">
</SPAN>768.8<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>CO to Cook 5L (20)<SPAN
style="mso-spacerun: yes">
</SPAN>23.0<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>PM to Cook 5L (1500<SPAN
style="mso-spacerun: yes">
</SPAN>223.1<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>15,000/25,000mkJ<SPAN
style="mso-spacerun: yes">
</SPAN><o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>Energy to Cook 5L<SPAN
style="mso-spacerun: yes">
</SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>14,807<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>Time to boil <st1:metricconverter w:st="on"
ProductID="5 litres">5 litres</st1:metricconverter> min<SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>28.1<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>CO2 to Cook 5L <SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>708.6<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial></FONT></SPAN> </P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 10pt"
lang=EN-GB><FONT face=Arial>Regards Paal W<o:p></o:p></FONT></SPAN></P>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=crispinpigott@gmail.com href="mailto:crispinpigott@gmail.com">Crispin
Pemberton-Pigott</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=stoves@lists.bioenergylists.org
href="mailto:stoves@lists.bioenergylists.org">'Discussion of biomass cooking
stoves'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, December 03, 2010 2:40
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [Stoves] K Smith Article in
Energy for Sustainable Development</DIV>
<DIV><BR></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Dear
Dean<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">I
really appreciate the info and the flexibility you have built into the stove.
Can you please tell us how much fuel mass was burned (perhaps in the case of a
char consuming version) and the MJ/kg of the fuel? I wondered what the
emissions are per dry kg burned or per even better, per MJ of heat
produced.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">My
interest is to be able to make comparisons with other fuels and combustion
efficiencies.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Thanks<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Crispin<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"
lang=EN-US>From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt" lang=EN-US>
stoves-bounces@lists.bioenergylists.org
[mailto:stoves-bounces@lists.bioenergylists.org] <B>On Behalf Of </B>Dean
Still<BR><B>Sent:</B> 03 December 2010 13:31<BR><B>To:</B> Discussion of
biomass cooking stoves<BR><B>Subject:</B> Re: [Stoves] K Smith Article in
Energy for Sustainable Development<o:p></o:p></SPAN></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Hi All,<o:p></o:p></P>
<DIV>
<P class=MsoNormal><o:p> </o:p></P></DIV>
<DIV>
<P class=MsoNormal>Adding more air holes in the bottom of the fuel chamber in
a TLUD allows pellets to burn up completely. If users want bio-char they just
have to have fewer holes. Then the char is made since there is not enough air
to support burning it.<o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><o:p> </o:p></P></DIV>
<DIV>
<P class=MsoNormal>If it is tuned (!), the TLUD is very low in PM when it does
not make smoke when starting and finishing the burn. CO is also generally low.
In the well tuned TLUD we generally see around 7g of CO and 400mg of PM during
the WBT compared to a carefully operated open fire at 55g CO and 2300mg PM.
Generally the TLUD makes less smoke at the finish with more air holes because
all the wood burns up without making smoke.<o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><o:p> </o:p></P></DIV>
<DIV>
<P class=MsoNormal>Isn't it great that a TLUD can be operated in both char
making and no char making modes? <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal>The user can choose whether they want greater fuel
efficiency or to make an agricultural additive.<o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><o:p> </o:p></P></DIV>
<DIV>
<P class=MsoNormal>Best,<o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><o:p> </o:p></P></DIV>
<DIV>
<P style="MARGIN-BOTTOM: 12pt"
class=MsoNormal>Dean <o:p></o:p></P></DIV></DIV>
<P>
<HR>
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