Venturi nozzle effects on fuel drop size and nitrogen oxide emissions
Susan Margaret Johnson, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1982 - Technology & Engineering - 14 pages
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Aeronautics and Space air swirler ambient temperature 293 atmospheric pressure atomization was attributed calculated centimeters cold-flow combustion computer memory conducted to determine correlated detector plate Distribution Analyzer droplet number density droplet Sauter mean Droplet Size Distribution emission index N0xEI empirical relation Equation experiment was conducted Figure 11 g/sec improved atomization Injector spray injector-swirler pair installed laser Lewis Research Center liquid pressure differential liquid-air ratios Malvern instrument Malvern Particle mass flow rate mean drop N0x emission index N0xEI data NASA National Aeronautics NITROGEN OXIDE NITROGEN OXIDE EMISSIONS output oxides of nitrogen Particle and Droplet percent by weight Performing Organization plot purge air receiving lens relative air velocity reported in reference Rosin-Rammler Sauter mean diameter shown in figure simplex injector simplex pressure-atomizing injector Space Administration spray angle spray was studied surface tension swirling air swirling airflow total-pressure drop values of D32 venturi throat water droplet water pressure differential water spray