Large-eddy Simulation of Realistic Gas Turbine Combustors

More documents

Recommendations

Info

Penetetration Depth, cm 12 9 6 3 LES, 1.1MPa Exp, 1.1MPa LES, 3MPa Exp, 3MPa LES, 5MPa Exp, 5MPa 0 0 0.5 1 1.5 2 2.5 3 3.5 Time, ms Figure 6: Validation of stochastic model with hybrid approach for atomization of high-speed liquid jet. Prediction of liquid spray penetration depth at different chamber pressures compared with experimental data by Hiroyasu & Kudota [23]. 32
y 6 4 2 0 (a) inlet wall outer swirler core swirler entrainment outlet 2 1 0 (b) droplet injection -2 guide swirler -1 -4 wall entrainment -2 -6 -5 0 5 x 0 2 x Figure 7: Snapshot of the symmetry plane (z = 0) of a PW injector: a) the full computational domain indicating boundary conditions and computational mesh, b) instantaneous droplet locations in the symmetry plane along with axial velocity contours. x and y are normalized axial and radial coordinates. 33
Page 1 and 2: Large-eddy Simulation of Realistic
Page 3 and 4: flows. In LES, three-dimensional, u
Page 5 and 6: in the continuity, Ṡ m , mixture
Page 7 and 8: 2.4 Liquid-Phase Equations The drop
Page 9 and 10: more width than height with deforma
Page 11 and 12: mass, d p = (6m p /πρ p ) 1/3 . T
Page 13 and 14: 3 Numerical Method A co-located, fi
Page 15 and 16: with sudden expansion. The primary
Page 17 and 18: through times. A convective boundar
Page 19 and 20: correctly represent the injector fl
Page 21 and 22: 5 Validation of Multi-physics React
Page 23 and 24: solver as well as the models used.
Page 25 and 26: [9] Apte, S. V., Mahesh, K., Moin,
Page 27 and 28: [30] Apte, S.V., Mahesh, K., and Lu
Page 29 and 30: 0.001 0.003 0.006 0.008 0.011 0.013
Page 31: 0.5 t=0.18 ms y, cm 0 -0.5 0 0.5 1
Page 35 and 36: Normalized Axial Mass Flowrate 8 6

Large-eddy Simulation of Realistic Gas Turbine Combustors

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?