[Stoves] Experiment in generating light using stove heat

[nari phaltan]

www.nariphaltan.org/kerolanstove.pdf

Cheers.

Anil

Nimbkar Agricultural Research Institute (NARI)
Tambmal, Phaltan-Lonand Road
P.O.Box 44
Phaltan-415523, Maharashtra, India
Ph:91-2166-220945/222842
e-mail:nariphaltan at gmail.com
           nariphaltan at nariphaltan.org

http://www.nariphaltan.org

On Mon, Feb 13, 2017 at 2:45 PM, kgharris <kgharris at sonic.net> wrote:

> Todd,
>
> For 5 years I have been visiting Aprovecho and have never seen anything
> like this:
>
> "or maybe they are stoned as usual."
>
> Perhaps your knowledge base is outdated on this.
>
> The small photo shows a bright LED light and a bright diffusion flame.  Is
> there smoke?  Does the flame need to be this high to get enough power for
> the LED?  Can a moderate cooking flame light the LED as might be needed by
> the cook?
>
> Looking forward to seeing your new products.  From what I can see in the
> photo the stove is beautiful as is usual for SilverFire.
>
> Kirk H.
>
> ----- Original Message -----
> *From:* Todd Albi <todd.r.albi at gmail.com>
> *To:* Discussion of biomass cooking stoves
> <stoves at lists.bioenergylists.org>
> *Sent:* Saturday, February 11, 2017 8:53 PM
> *Subject:* Re: [Stoves] Experiment in generating light using stove heat
>
> Crispin:
>
> Congratulations on your efforts.  Will look forward to seeing further
> developments.
>
> We found it interested that ASAT/Aprovecho (ARC) awarded a $100K SBIR
> grant by the EPA for a TEG cook stove, due to ARC's claim *they
> specialize* in thermoelectric generation cookstoves.
>
> "ASAT specializes in heating, cooking and thermoelectric generation (TEG)
> technologies and has developed clean biomass cooking stoves with Department
> of Energy grants."
>
> We will be curious to see if the champions of the WBT's TEG stove
> currently exists, or will perform as poorly as their emission equipment did
> previously' or maybe they are stoned as usual.
>
> We will launch a side fed TLUD thermal electric stove 2nd or 3rd quarter
> of 2017, that is currently in actual production to measure market
> interest.  The EPA sure could have saved a lot of grant money for
> technology that is already in production.  Unless subsidized, unfortunately
> quality TEG cook stoves that deliver more than 5 watts of power are going
> to be difficult to produce at low cost to the BOP, in our experience.
>
>
>
> ​
> Regards,
>
> SilverFire.
>
> On Sat, Feb 11, 2017 at 8:18 PM, Crispin Pemberton-Pigott <
> crispinpigott at outlook.com> wrote:
>
>> Dear Friends of Neat Heat
>>
>> The provision of heat in remote areas is a long term human need. Getting
>> electricity for basic needs is also a prime requirement.
>>
>> Jeremy and I have been looking at ways to bring light from stoves (and
>> heaters) using relatively low grade sources (below 180 C).
>>
>> Attached is our experiment using a metal plate as the heat source, a very
>> inexpensive booster, a USB ‎port and a high efficiency LED. The middle
>> photo is illuminated by the output from the generator.
>>
>> We are using a thermoelectric cooler running backwards. The cost of the
>> three TEC's plus the 5 vdc booster and the HE-LED is about $7.50. The plan
>> is to keep it as cheap as possible, and separate from the stove.
>>
>> The input temperature can be up to 250 C and we used a pot of water to
>> cool the other side. It lights up the LED bright enough that it requires
>> cooling. We will stick it onto a small rectangle of aluminum sheet.
>>
>> This choice of components is useful far beyond the provision of light
>> because it was able to charge a BlackBerry Passport ‎and a dual lens
>> infrared camera. We also successfully tried an AAA battery charger. ‎
>>
>> Regards
>> Crispin
>>
>> __._,_.___
>>
>> _______________________________________________
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>> http://stoves.bioenergylists.org/
>>
>>
>>
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