GRAPHICAL REPRESENTATION OF SOLID-GAS REACTIONS BASED ON UNREACTED CORE MODEL

抄録

Two types of nomographs are presented for solid-gas reactions based on "unreacted-core shrinking model". One is to determine the temperature at the reacting core surface, which has so far been calculated only by numerical computations. The other is to predict whether or not thermal or transitional instability exists during the course of reactions. A triangular diagram for reaction paths is also presented to show the reaction regime and the inter-relating effects among the three rate controlling steps (i. e., chemical reaction, mass transfer, and heat transfer) during the course of reactions, with two numerical illustrations.