[Stoves] pot skirt efficiency estimates, scale-up

Paul Anderson psanders at ilstu.edu
Sat Sep 15 15:25:05 CDT 2012


Josh,

 From experience, having the heat go through a single pipe/chimney in 
the center of the water tank is much better than having  the heat go 
around the outside of the steel drum.    And it is much less expansive.


Paul S. Anderson, PhD  aka "Dr TLUD"
Email:  psanders at ilstu.edu   Skype: paultlud  Phone: +1-309-452-7072
Website:  www.drtlud.com

On 9/14/2012 11:36 PM, Josh Kearns wrote:
> I'm thinking about building a 5-gal TLUD fired 55-gal water heater for 
> outdoor showers. I'm wondering if anyone has a ballpark estimate for 
> heat transfer efficiency w/ and w/o using a pot skirt attachment. The 
> hot water tank will be a 55-gal steel drum, so I think the setup is 
> pretty analogous to a cookstove setup, just bigger.
>
> 20%?
>
> Any thoughts are helpful, rough estimates OK.....thanks!
>
>
> FYI, the char from the water heating setup will be used in arbor-loo 
> style modular composting toilets. This infrastructure is being 
> installed during a rambo design-and-build sesh for my wedding on a 
> farm in rural Appalachia (USA), but will be used continually by future 
> events at the site. Cool, huh?!?!
>
> Josh
>
>
>
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