At 16:56 2/01/02 -0800, you wrote:
>According to an authoritative report by the Tropical Products Institute in
>London (Report G-162, 1982), there is actually little difference in gross
>energy content among wood types by mass. This can be seen below (and
>attached) where the coefficients of variation (standard deviation divided
>by the mean) of all woods tested is only 5%. Although it would be great
>to know everything about all aspects of the system, it seems to me that,
>given the range of uncertainties we must accomodate in wood stove work,
>intrinsic differences in energy content among wood species is in most
>circumstances a relatively small contributor to system
>uncertainties. Usually of much greater practical importance, for example,
>is the moisture content, which changes lower heating value (and perhaps
>pollutant emissions) dramatically.
>
>What do you think? Cheers for the new year/k
In complete accord, happy New Year, Kirk.
Peter Verhaart
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