[Stoves] stove test

[Mangolazi]

Hi, that's a great design. I'm a complete stove newbie so I hope you don't mind my basic questions. 

Is the fan shaped piece of metal for more complete combustion? What effect does it have on the flame at low vs high power? 

Do you get a lot of soot on the bottom of the pot? 

Does all the secondary air come in from the bottom of the reactor module or does the combustor also have secondary inlets? 

Thanks and cheers! 

On May 30, 2016 7:56:15 AM GMT+08:00, kgharris <kgharris at sonic.net> wrote:
>All,
>
> 
>
>The TLUD-ND stove which we further developed at Aprovecho Research
>Center in
>March was tested at the Lawrence Berkley Lab.  Results are attached. 
>The
>photo of the computer screen showing the full power 6+kw graphs was
>taken by
>Ashok Gadgil.  They have a good team doing the tests.
>
> 
>
>The stove is in route to Aprovecho RC where it will be photographed and
>drawings will be made.  Apro will then update their free online tier 4
>stove
>book from the old TLUD-ND design to include this new design.  I am
>updating
>the written stove description.
>
> 
>
>The designs are being put into the public domain.  I hope that the
>various
>principles used in the stove, for turn-down and improved efficiency and
>emissions, will benefit some new stove designs in the future.  
>
> 
>
>The fuel used was Douglas fir pellets.  The highest power achieved was
>6+ kw
>with some cushion above that.  The low power is 1.6 kw with some
>cushion
>below that.  The turn-down is then 4 to 1.  Five kw seems to be the
>highest
>very clean power level.  The high power used in the tests was around
>3.25
>kw.  At these turn-down levels the ambient room temperature makes a big
>difference in performance.  At 24C room temperature there was no
>problem
>keeping the water in the 93C to 97C test simmering range.  At 30C room
>temperature the simmering water temperature could not be held below
>97C.
>The pot skirt had to be raised to release some heat to maintain the
>test
>temperature.  This is possibly what lead to the tier 3 rating for low
>power
>specific consumption.  The catch 22 is that the more efficiently heat
>is
>given to the pot, the lower the stove has to be turned down to maintain
>a
>simmer.  
>
> 
>
>Kirk
>
> 
>
>Santa Rosa, CA. USA
>
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Stoves mailing list
>
>to Send a Message to the list, use the email address
>stoves at lists.bioenergylists.org
>
>to UNSUBSCRIBE or Change your List Settings use the web page
>http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>
>for more Biomass Cooking Stoves,  News and Information see our web
>site:
>http://stoves.bioenergylists.org/