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Keywords: atomization
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Proceedings Papers

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A059, September 21–25, 2020
Paper No: GT2020-15047
... Abstract This research effort focuses on the atomization physics of liquid monopropellents emanating from a pintle-type injector at high-pressure conditions. These injectors are used extensively in liquid-fueled propulsion systems, such as rockets and diesel engines, and undersea vehicles...
Topics: Ejectors, Fluids
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A002, September 21–25, 2020
Paper No: GT2020-15231
... Abstract This work investigates the influence of coaxial air flow on droplet distribution, velocity, and size generated by a pressure-swirl atomizer. The experiments were performed inside a generic test section with large optical access at atmospheric conditions. The flow conditions replicate...
Proceedings Papers

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A022, September 21–25, 2020
Paper No: GT2020-15691
... Abstract We study the enhanced atomization of viscous liquids by employing a novel two-fluid atomizer. The nozzle establishes a countercurrent flow configuration in which the gas and liquid are directed in opposite directions, establishing a two-phase mixing layer. Detailed measurements...
Proceedings Papers

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A019, September 21–25, 2020
Paper No: GT2020-14597
... utilized in Euler-Lagrange simulations of combustion. Typically, airblast injectors are employed to atomize the liquid fuel by feeding a thin liquid film in the shear zone between two swirled air flows. Unfortunately, droplet data for the wide range of operating conditions during a flight is not available...
Proceedings Papers

Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A001, June 17–21, 2019
Paper No: GT2019-90115
..., with the increase in ambient conditions, the difference in spray performance of GTL and Jet A-1 is significant. gas-to-liquid macroscopic atomization shadowgraph high speed imaging # Corresponding author: reza.sadr@tamu.edu § ASME Member SPRAY CHARACTERISTICS OF ALTERNATIVE JET FUEL AT ELEVATED AMBIENT...
Proceedings Papers

Proc. ASME. GT2007, Volume 2: Turbo Expo 2007, 619-627, May 14–17, 2007
Paper No: GT2007-27803
... 10 03 2009 We present an experimental investigation of a spray generated by an airblast atomizer. Experiments have been performed in a pressure chamber equipped by transparent windows allowing an optical access to the spray. Several techniques of spray investigation have been applied...
Proceedings Papers

Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 377-386, June 16–19, 2003
Paper No: GT2003-38444
... A new LPP injector concept for aero engines is presented. The design target was to achieve a fine atomization in order to get a high degree of prevaporization. Inside the injector atomization and mixture homogenization are spatially separated allowing for an individual optimization. The injector...
Proceedings Papers

Proc. ASME. GT2004, Volume 7: Turbo Expo 2004, 585-591, June 14–17, 2004
Paper No: GT2004-54031
... The AHAT (Advanced HAT) system can be used for single shaft gas turbines without redesigning them and it gives a similar effect as intercooling by using suction air atomization. In this paper, two basic experiments with a spray nozzle, simplified humidifier and water recovery were carried out...
Proceedings Papers

Proc. ASME. GT2006, Volume 1: Combustion and Fuels, Education, 815-822, May 8–11, 2006
Paper No: GT2006-91112
... of smaller droplets near the injector. High speed images of this process suggest that an aerodynamic breakup mechanism dominates this atomization process near the injector. In summary, the results of this study show the fuel jet breakup mechanism in augmentors varies significantly over the flight envelope...