Dear Paul and Frank
What exactly is the problem that you see that requires a (very) different type of solution? The proposal is, ultimately, mass-based. Mass-based calculations of fuel energy are plagued with problems because while you can get an answer for one type of wood (with a certain error bar) as soon as you move to another fuel like palm leaves or shells or rice hull then comparisons are not fair. So perhaps the reason why stoves that make charcoal need special treatment should be clarified. All biomass stoves make some char and there are fair methods of dealing with it. I suspect the root question being asked is 'What is the heat transfer efficiency?" If you want to know that, then there are ways to find out. If you want to know how much fuel a stove consumes, either in mass of energy, there are also ways, and it gives an answer different answer from the heat transfer efficiency question. Calculating the mass of dry fuel equivalent that is the equivalent of the energy used to cook is not helpful. We already would know the energy involved. Dividing by the energy in that type of fuel just renders the final number incomparable with stoves that use another fuel. Leave it is Joules. Is the intention to find the heat transfer efficiency? Thanks Crispin
_______________________________________________ Stoves mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org for more Biomass Cooking Stoves, News and Information see our web site: http://stoves.bioenergylists.org/
