# Proceedings of the 2006 Summer Program

### I. PREDICTIVE SCIENCE

- Overview
- Analysis of some preliminary simulations of Keplerian turbulence

*J. Jimnez, S.C. Kassinos and A.A. Wray* - Separation and transition to turbulence in a compressor passage

*T.A. Zaki, P.A. Durbin and X. Wu* - DNS of temporal evolution of isolated turbulent vortices

*K. Duraisamy and S.K. Lele* - Influence of non-equilibrium on disturbance waves passing through a planar shock

*C. Stemmer, N.A. Adams and N.N. Mansour* - Numerical investigation and preliminary modeling of a turbulent flow over a multi-perforated plate

*S. Mendez, J. Eldredge, F. Nicoud, T. Poinsot, M. Shoeybi and G. Iaccarino* - Advanced RANS modeling of wingtip vortex flows

*A. Revell, G. Iaccarino and X. Wu* - Backward-facing step calculations using the shear improved Smagorinsky model

*F. Toschi, H. Kobayashi, U. Piomelli and G. Iaccarino* - Multi-scale modeling of subgrid-scale stresses in the large-eddy simulation

*A. Novikov and D.J. Bodony* - Subgrid-scale modeling in solar convection simulations

*M.S. Miesch, N.N. Mansour and T. Hartlep* - Implicit subgrid-scale modeling for the large-eddy simulation of passivescalar mixing

*S. Hickel, N.A. Adams and N.N. Mansour* - Assessment of local dynamic subgrid-scale models for stochastic coherent adaptive large eddy simulation

*O.V. Vasilyev, D.E. Goldstein, G. Stefano, D. Bodony, D. You and L. Shunn* - Effect of discontinuous filter width in large eddy simulations of plane channel flow

*U. Piomelli, S. Kang, F. Ham and G. Iaccarino* - Toward verification of formal time accuracy for a family of approximate projection methods using the method of manufactured solutions

*S.P. Domino* - Toward the prediction of turbulent boundary layers using a coupled RANS-LES method

*J. Schuter* - Investigation of the opacity binning approach for solving the shockgeneratedradiation of the Apollo AS-501 re-entry

*A.A. Wray, J.F. Ripoll and D. Prabhu*

### II. MULTIPHASE FLOWS

- Overview
- Evaluation of numerical strategies for LES of two-phase reacting flows

*E. Riber, M. Garca, V. Moureau, H. Pitsch, O. Simonin and T. Poinsot* - Testing semi-Lagrangian schemes for two-phase flow applications

*R. Paoli, T. Poinsot and K. Shariff* - A quadrature-based moment closure for the Williams spray equation

*O. Desjardins, R.O. Fox and P. Villedieu* - Modeling sprays by the method of Laplace transforms

*S. Ghosal and M. Herrmann* - Stochastic modeling of the turbulent subgrid fluid velocity along inertial particle trajectories

*P. Fede, O. Simonin, P. Villedieu and K.D. Squires* - Analysis of a subgrid-scale model for turbulent condensation

*R. Paoli, K. Shariff and A. Shirgaonkar* - Modeling of high-pressure mixing and combustion in liquid rocket injectors

*L. Cutrone, M. Ihme and M. Herrmann*

### III. COMBUSTION

- Overview
- Budget of disturbance energy in gaseous reacting flows

*A. Giauque, T. Poinsot, M. Brear and F. Nicoud* - Modeling flame brush thickness in premixed turbulent combustion

*E. Knudsen, O. Kurenkov, S. Kim, M. Oberlack and H. Pitsch* - Conditional-moment closure with differential diffusion for soot evolution in fire

*J.C. Hewson, A.J. Ricks, S.R. Tieszen, A.R. Kerstein and R.O. Fox* - A numerical simulation of soot formation in spray flames

*H. Watanabe, R. Kurose, S. Komori and H. Pitsch* - Auto-ignition and flame propagation effects in LES of burned gases diluted turbulent combustion

*P. Domingo, L. Vervisch and D. Veynante* - Self-similar behavior of chemistry tabulation in laminar and turbulent multi-fuel injection combustion systems

*A. Naudin, B. Fiorina, X. Paubel, D. Veynante and L. Vervisch*

### IV. MAGNETOHYDRODYNAMICS

- Overview
- Transition to turbulence in MHD channel flow with spanwise magnetic field

*T. Boeck, D. Krasnov, M. Rossi, O. Zikanov and B. Knaepen* - Particle dispersion in magnetohydrodynamic turbulence at low magnetic Reynolds number

*D. Rouson, S. Kassinos, I. Sarris and F. Toschi* - Large-eddy simulations of the turbulent Hartmann flow close to the transitional regime

*I.E. Sarris, S. Kassinos, B. Knaepen and D. Carati* - Wave propagation in the magnetic sun

*T. Hartlep, M.S. Miesch and N.N. Mansour* - Numerical investigations of lightning phenomena

*J.F. Ripoll, C. Jeffery, J. Zinn and P. Colestock* - Modeling quasi-two-dimensional turbulence in MHD duct flows

*S. Smolentsev and R. Moreau* - Sensitivity analysis of a Lorentz force flowmeter for laminar and turbulent flows in a circular pipe

*A. Thess, B. Knaepen, E. Votyakov and O. Zikanov*

### V. FLOW CONTROL

- Overview
- Harnessing resonant interactions for active control of separated flows

*R.B. Kotapati, R. Mittal, O. Marxen, D. You, V. Kitsios, A. Ooi and J. Soria* - Numerical simulation of lift enhancement on a NACA 0015 airfoil using ZNMF jets

*V. Kitsios, R.B. Kotapati, R. Mittal, A. Ooi, J.Soria and D. You* - Flow separation control over a pitching airfoil using an oscillatory jet

*S. Hahn and D. You* - Turbulence suppression in channel flows by means of a streamwise traveling wave

*M.R. Jovanovic, R. Moarref and D. You*

### VI. ACOUSTICS

- Overview
- Numerical simulation of flow- and combustion-induced sound using a hybrid LES/CAA approach

*M. Ihme, M. Kaltenbacher and H. Pitsch* - Numerical investigation of the acoustic behavior of a multi-perforated liner

*J. Eldredge, M. Shoeybi and D. Bodony* - Toward the prediction of low-speed fan noise

*S. Moreau, M. Henner, D. Casalino, J. Gullbrand, G. Iaccarino and M. Wang* - Validation of unstructured-mesh LES of the trailing-edge flow and noise of a controlled-diffusion airfoil

*S. Moreau, D. Neal, Y. Khalighi, M. Wang and G. Iaccarino* - Green's function discretization of Pridmore-Brown wave operator

*D. Casalino and D. Bodony* - Toward the application of the impedance mismatch method to the expansion about incompressible flow acoustic equations

*R. Cohen, A. Ooi and G. Iaccarino*