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Jim,<br><br> Pushing calories around in the DTU graphic model, I find moving heat into the fuel is indeed the best use, for loose BTUs.<br> In practice, heat transfer into wood is not easy because of limited conduction and radiation, and zero convection in a mound of fuel.<br> The GEK method is like stir-frying vegetables in a wok; forcing convection. As each particle, contacts the walls of the pyrocoil; they cook.<br><br>Someday I want to attempt direct contact of the wood with engine exhaust gas, after solving a certain sealing problem. <br>A "just in time" inventory of heated wood; roasted to perfection.<br>It is a shovel ready project.<br><br>Looking forward to your findings. <br><br>Andy<br><br><br><br> <br><br><br><br> </body>
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