[Stoves] Gas Sensing

[Lanny Henson]

That was, 80 cubic meters! not cubic feet. My error!!
You said that it takes about 90 cu ft. And I have over 400 cu ft so if the 
exhaust from a stove rises and does not mix with the low lying combustion 
air, it should work.

I am trying to avoid the equipment necessary to measure air flow, by doing a 
complete burn in a known volume of space.

Before I take a sample I will mix the air well with a fan.

I only have a co meter so I can test that. Once I know that I an getting 
good samples I will borrow some testing equipment.
Lanny


----- Original Message ----- 
From: "Kevin Chisholm" <kchisholm at ca.inter.net>
To: "Discussion of biomass cooking stoves" <stoves at listserv.repp.org>
Sent: Saturday, February 09, 2008 6:08 PM
Subject: Re: [Stoves] Gas Sensing


> Dear Lanny
>
> The 500 gms of bone dry oak would require about 90 cubic feet of air for
> combustion under conditions of zero excess air.  There is insufficient
> air to permit complete combustion to CO2. Carbon Monoxide would abound,
> probably at lethal levels.
>
> Kevin
>
> Lanny Henson wrote:
>> I have 80 cubic feet of room and I want to burn 500 grams of oak.
>> What percentage of the 02 will be converted assuming  there is good
>> combustion?
>> Will I have enough 02 as to not effecting the dynamics?
>> The exhaust will rise and the fresh air will stay low so the stove may be
>> able to pick up fresh air through most of the burn.
>> If that does not work, I will pipe in fresh combustion air, and let some 
>> air
>> exhaust at the lowest point.
>> Lanny
>>
>> ----- Original Message ----- 
>> From: "Steve Taylor" <Steve at thetaylorfamily.org.uk>
>> To: "Discussion of biomass cooking stoves" <stoves at listserv.repp.org>
>> Sent: Saturday, February 09, 2008 8:01 AM
>> Subject: Re: [Stoves] Gas Sensing
>>
>>
>>
>>> Lanny Henson wrote:
>>>
>>>> LH- I like this idea, I am also planning to set up a sealed room to 
>>>> test
>>>> stoves. I was planning to do a complete test burn inside a sealed room
>>>> with
>>>> a known volume and then check the gas levels.
>>>>
>>>>
>>>>
>>> How realistic can that be ? As the O2 burns the whole dynamics of the
>>> burn are likely to be altered, if the room is small enough to have a
>>> significant change in gas ratios.
>>>
>>> Steve
>>>
>>>
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