[Stoves] grate effect? (was Re: ND-TLUD Burners at ETHOS -- What Works Best?)

[Stephen Joseph]

Hi Tom

Is there someone who has put together a list of all of the recent
publications (peer reviewed and thesis) on improved cook stoves. I have a
potential donor who may fund this work but he wanted me to put together all
literature to justify the grants.

Regards
Stephen

On Sat, Feb 6, 2016 at 5:35 AM, Tom Miles <tmiles at trmiles.com> wrote:

> Dave,
>
> Michael Johnson, Berkeley Air, detected that startup surge when measuring
> black carbon. You should see it in the presentations when they are online.
> (Berkeley Air Monitoring Group, Michael Johnson: Platform for Integrated
> Cookstove Assessment)
>
> Tom
>
> -----Original Message-----
> From: Stoves [mailto:stoves-bounces at lists.bioenergylists.org] On Behalf
> Of David Young
> Sent: Friday, February 05, 2016 10:23 AM
> To: Discussion of biomass cooking stoves <stoves at lists.bioenergylists.org>
> Subject: [Stoves] grate effect? (was Re: ND-TLUD Burners at ETHOS -- What
> Works Best?)
>
> On Thu, Feb 04, 2016 at 09:25:51PM -0700, Ronal W. Larson wrote:
> >       7.  “Big” spikes for both CO and particulates - often (usually)
> appear as the pyrolysis front reaches the bottom.  - But not always. Why?
>
> Maybe this has something to do with the "grate effect" ? Someone on the
> list has explained before that the pyrolysis front has no fuel to heat and
> dry at the bottom of the chamber.  Rather, the grate absorbs the heat of
> the pyrolysis front and radiates it back into the remaining fuel.  That
> leads to a big increase in woodgas production.  Starting a few minutes
> before the fuel burns out, my tincanium TLUDs produce a tall flame that
> touches the pot, leaving a lot of soot.  I believe that is the grate effect
> at work.
>
> Dave
>
> --
> David Young
> dyoung at pobox.com    Urbana, IL    (217) 721-9981
>
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