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RISTime Resolved Particle Image Velocimetry Measurements of Nonreacting Flow Field in a Swirl Stabilized Combustor Without and With Porous Inserts for Acoustic Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Combustion noise and thermoacoustic instabilities are of primary importance in highly critical applications such as rocket propulsion systems, power generation, and jet propulsion engines. Mechanisms for combustion ...
Twin-Fluid Atomized Spray Combustion of Straight Vegetable Oil at Elevated Pressures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of the chamber pressure on combustion of a twin-fluid-atomized spray of straight vegetable oil (VO) in a swirl stabilized combustion system is experimentally studied. A system with high pressure capabilities was ...
Spray Flame Characteristics of Bio-Derived Fuels in a Simulated Gas Turbine Burner
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fuel injection plays an important role in liquid-fueled gas turbine combustion. The strong interdependence of liquid breakup and atomization, turbulent dispersion of these droplets, droplet evaporation, and fuel–air mixing ...
High-Speed Rainbow Schlieren Deflectometry of n-Heptane Sprays Using a Common Rail Diesel Injector
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: More precise measurements of the fuel injection process can enable better combustion control and more accurate predictions resulting in a reduction of fuel consumption and toxic emissions. Many of the current methods ...
Swirler Effects on Passive Control of Combustion Noise and Instability in a Swirl Stabilized Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High strength porous inert media (PIM) placed in the reaction zone of a swirlstabilized leanpremixed combustor is a passive method of controlling combustion noise and instabilities. In this study, the effect of swirler ...
Comparing Global Spray Combustion Characteristics and Local Shot-to-Shot Variations in a Reacting n-Heptane Spray
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In support of efforts to develop improved models of turbulent spray behavior and combustion in diesel engines, experimental data and analysis must be obtained for guidance and validation. For Reynolds-averaged Navier–Stokes ...
Quantitative Measurements in the Exhaust Flow of A Rotating Detonation Combustor Using Rainbow Schlieren Deflectometry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study employs rainbow schlieren deflectometry (RSD) to characterize the unsteady, supersonic/subsonic exhaust plume of a rotating detonation combustor (RDC). First, RSD images are analyzed to quantify the frequency ...
Performance Characterization of a Radial Rotating Detonation Combustor With Axial Exhaust
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This experimental study characterizes the performance of a radial rotating detonation combustor (RDC). An aerospike nozzle for rocket propulsion has been integrated into the center of the combustor, although the same ...
OH* Chemiluminescence Imaging of the Combustion Products From a Methane-Fueled Rotating Detonation Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure gain combustion (PGC) has been conceived to convert fuel's chemical energy into thermal energy and mechanical energy, thereby reducing the entropy production in the process. Recent research has shown that the ...
Performance Characteristics of a Rotating Detonation Combustor Exiting Into a Pressurized Plenum to Simulate Gas Turbine Inlet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study aims to experimentally characterize the performance of a rotating detonation combustion (RDC) system integrated with a pressurized downstream plenum to simulate the high-pressure inlet conditions of ...