ON SHAPE FACTORS FOR IRREGULAR PARTICLES .1. THE STEADY-STATE PROBLEM- DIFFUSION AND REACTION (REPRINTED FROM CHEM-ENGNG-SCI, VOL 6, PG 262-268, 1957)

The problem of heat or matter transfer for a bed of spherical particle s has been fully solved by Amundson. In this paper we consider the mod ifications which must be made in steady-state solution when the bed ma y consist of irregularly shaped particles. Considering the case of dif fusion limitation of a first-order reaction, it is shown that the resu lts for all shapes will lie close together if the characteristic dimen sion of the particle is taken to be upsilon(p)/s(x), the ratio of its volume to its external surface area.