The feasibility of using electrostatic fields as a practical means of altering existing gas-turbine-injector spray
characteristics has been investigated. Results indicate that with electrical potentials typical of spark plug
voltages, a significant modification of spray characteristics in terms of average droplet size reduction and increased
spray cone angles can be produced. This suggests a means of expanding the utility of present combustors
either by broadening the operating range for optimum performance with the design or by permitting more attractive
combustion of nondesign fuels. A simple retrofit during engine overhaul would allow present combustors
to operate with or without electrostatic spray modification.The authors gratefully acknowledge the support of this work by its sponsor, the Naval Air Systems Command
