Large Eddy Simulation of a Nonreacting Propane Jet

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Date
2015
Authors
Briggs, Christopher Madden
Advisor
Trouve, Arnaud
McDermott, Randall J
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Abstract
Simulations of a turbulent momentum driven jet are carried out by Fire Dynamics Simulator (FDS). These simulations challenge the capabilities of FDS and identify strengths and weaknesses within its code; three bugs were discovered and new user controls were developed. Simulations show that mean and fluctuation vertical velocities and mean mixture fraction radial profiles at locations z/D=4, 15, and 30 are well-captured; however, mixture fraction fluctuations are over predicted at these elevations. Additionally mean vertical velocity predictions are artificially lower above the jet nozzle. These simulations are incorporated into the FDS validation suite.
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