Experimental Investigation on Atomization Characteristics of a Certain Type of Aero Engine Fuel Nozzle

Li Xu

doi:10.4028/www.scientific.net/AMR.354-355.468

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Experimental Investigation on Atomization Characteristics of a Certain Type of Aero Engine Fuel Nozzle
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Experimental Investigation on Atomization Characteristics of a Certain Type of Aero Engine Fuel Nozzle

Abstract:

The atomization characteristics of a certain type of aero engine fuel nozzle are discussed in this paper. The nozzle atomization characteristics have great influence on the combustion efficiency, ignition, outlet temperature field and pollution emissions. The flow characteristics, atomization particle size and distribution under different working conditions are obtained in this paper through the Phase Doppler particle analyzer and laser Doppler velocity system (PDPA / LDV). The test results show that to the dual pressure atomization nozzle, the flow rate range is wide and droplets size decreases with the increasing oil pressure, and tends to stabilize. The test data provide a reliable basis for the pressure atomizing nozzle design and modified.