TL;DRAbstract
The efficiency of modern Gas Turbine can be increased by accelerating the atomization and evaporation of liquid fuel injected into the combustor.Chevrons mixers, seen in service on today's advanced jet engines, generate streamwise vorticity off of the chevron tips which is able to quickly mix two separate flows and reduce the exhaust noise of these engines.The enhanced mixing ability of a chevron exhaust nozzle motivated the investigation of chevrons a typical combustion swirling flow, where fuel-air mixing is a limiting factor of the combustion system's performance.The focus of this research is to experimentally investigate the isothermal aerodynamic and multi-phase flow properties of radial-radial counter rotating swirl cups with chevron mixing generators.Each swirl cup assembly features a primary swirler with a converging-diverging venturi, secondary swirler, exit flare with a 72 expansion angle, and a simplex fuel nozzle with a flow number of 0.7 and spray angle of 80.Six unique tr
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The efficiency of modern Gas Turbine can be increased by accelerating the atomization and evaporation of liquid fuel injected into the combustor.Chevrons mixers, seen in service on today's advanced jet engines, generate streamwise vorticity off of the chevron tips which is able to quickly mix two separate flows and reduce the exhaust noise of these engines.The enhanced mixing ability of a chevron exhaust nozzle motivated the investigation of chevrons a typical combustion swirling flow, where fuel-air mixing is a limiting factor of the combustion system's performance.The focus of this research is to experimentally investigate the isothermal aerodynamic and multi-phase flow properties of radial-radial counter rotating swirl cups with chevron mixing generators.Each swirl cup assembly features a primary swirler with a converging-diverging venturi, secondary swirler, exit flare with a 72 expansion angle, and a simplex fuel nozzle with a flow number of 0.7 and spray angle of 80.Six unique tr
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