Browse Publications Technical Papers 2001-01-1974
2001-05-07

An Experimental Study of the Spray Characteristics of Pressure-Swirl Atomizers for DISI Combustion Systems 2001-01-1974

This paper presents results from a comprehensive experimental study of high-pressure pressure-swirl gasoline injectors tested under a range of simulated operating conditions. This study encompassed photographic analysis of single spray sequences and simultaneous measurement of axial velocity, radial velocity and diameter at point locations using the phase-doppler technique. The combination of these measurement techniques permitted an insight into the fluid dynamics of the injected spray and its development with time. Five primary stages in the spray-history were identified and numerated with experimental data.

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