[Stoves] Stoves Digest, Vol 11, Issue 6
David Osborne
celsius4u at hotmail.com
Sun Jul 10 17:15:04 CDT 2011
Re. Household cooking.
We are about to undertake a paper in Kenya to complete a social and health impact study. Glasgow Uni and Celsius Global Solutions (CGS) are to test the Jompy boiler in situ completing necessary information, there is room for a stove trial, what do you have on mind?
www.jompy.co.uk
You can contact me openly or in private. Email, celsius4u at hotmail.com
> From: stoves-request at lists.bioenergylists.org
> Subject: Stoves Digest, Vol 11, Issue 6
> To: stoves at lists.bioenergylists.org
> Date: Sun, 10 Jul 2011 12:00:02 -0700
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> 1. Re: Re household cooking (John Davies)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Sun, 10 Jul 2011 08:34:51 +0200
> From: "John Davies" <jmdavies at telkomsa.net>
> To: "'Discussion of biomass cooking stoves'"
> <stoves at lists.bioenergylists.org>
> Subject: Re: [Stoves] Re household cooking
> Message-ID: <001501cc3ecb$79ffc430$6dff4c90$@telkomsa.net>
> Content-Type: text/plain; charset="us-ascii"
>
> Paal wrote,
>
>
>
> There is a need of a practical test where fuel and stove are evaluated
> together with the user. If you are saving some some energy and some minutes
> in time of cooking, it can easy be lost by handling the fuel and the stove
> or by cleaning the pots. The stove, the fuel and the cook is one unit,
> working together with respect for each others specialities.
>
>
>
>
>
> These are very wise words. At the first demonstration of my TLUD
> bituminous coal stove, which uses a chimney, with the pot sealing the top
> of the stove. I remember the reaction of some of the onlookers.
>
>
>
> After lighting the stove, and placing the pot, smoke exited the chimney, and
> stopped after less than 1 minute. I knew that the chimney had started
> drafting, pulling secondary air into the flame and causing the clean burn.
>
> One onlooker pronounced that the fire had extinguished, and many others
> agreed. Lifting the pot allowed a smoky flame to exit the stove. I replaced
> the pot and told them that the water would be boiling in 4 minutes. This
> caused much amusement and shaking of heads. Now there was much
> inspection of what was going on, with people standing close to the stove,
> feeling the heat and watching the chimney. The water boiled in 4 minutes,
> much to the amazement of many.
>
>
>
> This proves Paal's comment about the user component. How does one explain
> to the user, and gain their acceptance that there can be fire without smoke.
> Especially if the flame cannot be seen. A case of training, training,
> training. With this stove, part of the answer was to drill a 3mm peep hole
> at a strategic place, so that the user could see the flame.
>
>
>
> Even if the user does not fully understand what is going on, acceptance is
> the minimum criteria. Acceptance to accept what cannot be understood, and
> acceptance of all the operating instructions. Not always an easy task, but
> proof that intensive training of the user is needed.
>
>
>
> Greetings to all, and keep up the good work.
>
>
>
> John Davies.
>
>
>
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