1996-02-01

Structure of Sprays from an Air-Assist Hollow-Cone Injector 960771

An Eulerian model of evaporating transient sprays and a new method to describe air-atomization near the injector exit to predict the mean size and velocity of droplets have been developed to study the influence of operating conditions of an air-assist hollow-cone injector and the influence of fuel atomization on the spray structure.Good agreement between the results of the computation and experiment in terms of spray shape has been achieved. The numerical results show the typical structure of sprays from the air-assisted fuel injector and show the influence of atomization on the structure.

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