Abstract

A method is described for calculating the local average fuel-particle sizes when fuel andgas have different velocity components at all points. The method is illustrated by application to a liquid-propellent rocket motor, for which, when the flow is one-dimensional, an exact solution of the equations exists. Good agreement with this solution is demonstrated by the numerical solutions based upon the new method. Computations for 2D and 3D situations are also presented, in order to demonstrate theapplicability of the method, to establish computer times, and to illustrate salient features of such flows. It is suggested that the method can be useful to researchers seeking to establish, by comparison of predictions with experiments, the laws governing droplet drag, combustion, etc.

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