[Stoves] Spam:****, Re: Fuel classification system

frank frank at compostlab.com
Fri Jan 5 12:42:57 CST 2007


Steve,

I think I now understand it. The answer is 25 for MCdry meaning 100 
grams dry wood has added to it 25 grams water for a total weight of 125 
grams and 25 mls water in 125 grams = 20% moisture.  Its the term 
'percent moisture on a dry weight basis' that has me confused. We call 
it 'percent water retained'. and thats not much better.
So on to better things...
Thanks

Frank


Steve Taylor wrote:

> frank wrote:
>
>> Dear Tom, and all,
>> I am still trying to figure out what percent moisture on a dry weight 
>> basis means?
>> On the page labeled 'Fuel Moisture' on the download Tom gave us below 
>> it has the conversion from dry basis to wet bases as follows:
>>
>> MCwet = MCdry/(1+MCdry)
>>
>> So if we have a sample with 20 grams water and 80 grams solid we have 
>> 20%moisture on a wet basis.
>>
>> 20 = MCdry / (1+MCdry)
>>
>>   
>
> MCdry=MCW / 1-MCW
> ? Does that help ?
> Steve
>
>
>
>
>

-- 
Frank Shields
Soil Control Lab
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Watsonville, CA  95076
(831) 724-5422 tel
(831) 724-3188 fax
frank at compostlab.com
www.compostlab.com






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