[Stoves] FW: Need designs

rongretlarson at comcast.net rongretlarson at comcast.net
Sun Sep 16 14:43:49 CDT 2012


Kevin: 

I think we all know what Aron meant in asking about a biochar stove. His first message, responded to by Erin, was very clear. You are creating considerable confusion with two comments I respond to below. 
----- Original Message -----
From: "Kevin C" <kchisholm at ca.inter.net> 
To: "Discussion of biomass cooking stoves" <stoves at lists.bioenergylists.org> 
Sent: Sunday, September 16, 2012 2:16:59 AM 
Subject: Re: [Stoves] FW: Need designs 

Dear Ron 

Quoting rongretlarson at comcast.net: 

> Aron: 
> 
> Can you clarify your intended design? I know of no way that you can 
> turn a rocket stove into a char-making stove (but would love to hear 
> differently). 

# A "char making stove" is only relevant in a case where the person 
wants a cooking/heating function, and ending up with a charcoal 
residue is acceptable or desirable. In many cases, the production of 
residual charcoal is undesirable. 

# There is a lot of confusion with the term "biochar stove." 
1: It is not possible to have a "biochar stove." One can certainly 
have a stove that produces "charcoal", but charcoal only becomes 
"biochar" when it is used in an agricultural application . A TLUD stove 
is not a "biochar stove"... it is a stove that produces charcoal that 
may or may not end up being used as biochar. 
2: In that we have a "wood stove", a "kerosene stove", a "charcoal 
stove", etc, the term "biochar stove" could simply be a stove that is 
fueled with char, charcoal, biochar , etc. 
[RWL: You (correctly) denied this sentence 's validity with your above ( now-underlined, italicized and bolded ) phrase. Fueling a stove with biochar is not an "agricultural application". . 

# Is Aron perhaps designing a stove that is fueled with charcoal? 
[RWL: Obviously not - see his first message (below) to the list. I wish that whole topic could disappear from this list - as it is usually so wasteful of biomass. Ron] 

Kevin 

> 
> Ron . 
> 
> ----- Original Message ----- 
> From: "Aron Tjihumino " 
> To: "Discussion of biomass cooking stoves" <stoves at lists.bioenergylists.org> 
> Sent: Thursday, September 13, 2012 11:48:07 AM 
> Subject: [Stoves] FW: Need designs 
> 
> 
> Can you help me on how to analyse heat tranfer through a cone... Im 
> designing a Biochar stove with coencentric cylinders. In essence its a 
> rocket stove. I want to make the inner cylinder conic so that i can retain 
> more heat in the stove.... 
> The books i have read dont show me how to analyse conduction and convection 
> in a cone... 
> Will need a reply as soon as possible, if your able to help. 
> Thank you in advance... 
> 
> 
> On 8/10/12, Erin Rasmussen <erin at trmiles.com> wrote: 
>> Hi Aron, 
>> 
>> We have the TLUD Handbook is on our web site here: 
>> http://stoves.bioenergylists.org/tludhandbookdraft-1 
>> 
>> a shorter link directly to the handbook pdf file is 
>> http://bit.ly/NhrZWX 
>> 
>> Plans for the Anila stove are here: 
>> http://stoves.bioenergylists.org/anila 
>> 
>> I hope that helps, let me know if I can be of any assitance. 
>> 
>> Kind regards, 
>> Erin Rasmussen 
>> 
>> TR Miles Technical Consultants Inc. http://www.trmiles.com/ 
>> and BioEnergy Discussion Lists http://www.bioenergylists.org/ 
>> erin at trmiles.com 
>> 
>> 
>> 
>> 
>> -----Original Message----- 
>> From: Aron Tjihumino [mailto:atjihumino at gmail.com] 
>> Sent: Wednesday, August 01, 2012 9:59 AM 
>> To: Erin at trmiles.com 
>> Subject: Need designs 
>> 
>> Afternoon... 
>> I'm Aron Tjihumino, a final year Bachelor of Engineering: Mechanical 
>> Engineering Student at the Polytechnic of Namibia, Namibia 
>> 
>> I am desgining a biochar and i need plans from where to start. 
>> Can you please email me plans for Anila And Anderson TLUD biochar 
>> stove, please Look forward to hearing from you soon. 
>> kind regards 
>> 
>> Aron Tjihumino 
>> 
>> 
>> 
> 
> 
> 
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