Proceedings of the 2014 Summer Program

• Front Cover
• Photo of Participants
• Preface

I. PARTICLE-LADEN FLOWS

• Overview
• Developing improved Lagrangian point particle models of gas-solid flow from particle-resolved direct numerical simulation.
  S. Subramaniam, M. Mehrabadi, J. Horwitz and A. Mani
• Settling of heated inertial particles through homogeneous turbulence.
  A. Frankel, H. Pouransari, F. Coletti and A. Mani
• Spectral analysis of energy transfer in variable density, radiatively heated particle-laden flows.
  H. Pouransari, H. Kolla, J. H. Chen and A. Mani
• Lagrangian simulation of large and small inertial particles in a high Reynolds number flow: Stochastic simulation of subgrid turbulence/particle interactions.
  M. Gorokhovski and R. Zamansky
• Direct numerical simulations of oscillatory wall-bounded flow over a closely-packed fixed bed of spherical particles.
  C. Ghodke, S. Apte and J. Urzay

II. TWO-PHASE FLOWS

• Overview
• Feature identification algorithms for sharp-interface flows.
  V. Le Chenadec, S. Mirjalili, M. Mortazavi and A. Mani
• A dual scale volume-of-fluid approach for modeling turbulent phase interface dynamics.
  M. Herrmann
• Theoretical and computational modeling of turbulence/interface interactions.
  J. O. McCaslin and O. Desjardins
• High-fidelity simulation of atomization in diesel engine sprays.
  L. Bravo, C. B. Ivey, D. Kim and S. T. Bose
• Supercritical and transcritical real-fluid mixing in diesel engine applications.
  P. C. Ma, L. Bravo and M. Ihme
• Numerical simulation of liquid-layer breakup on a moving wall due to an impinging jet.
  T. Yu, J. Park, H. Moon, J. Shim, D. You, D. Kim and A. Ovsyannikov

III. COMBUSTION

• Overview
• Towards the prediction of soot in aero-engine combustors with large eddy simulation.
  B. Cuenot, E. Riber and B. Franzelli
• Large-eddy simulation and low-order modeling of nitrogen oxide (NOx) reduction by ammonia spray.
  B. Farcy, L. Vervisch and P. Domingo
• Edge flame dynamics in a turbulent lifted jet flame.
  S. Karami, E. R. Hawkes, M. Talei and J. H. Chen
• Counter-gradient subgrid-scale transport and energy backscatter in turbulent deflagrations.
  J. O’Brien, J. Urzay, A. Y. Poludnenko, P. E. Hamlington and M. Ihme
• Spectral energy dynamics in premixed flames.
  C. A. Z. Towery, A. Y. Poludnenko, J. Urzay, M. Ihme and P. E. Hamlington
• Causality and intrinsic thermoacoustic instability modes.
  E. Courtine, L. Selle, F. Nicoud, W. Polifke, C. Silva, M. Bauerheim and T. Poinsot
• Towards concurrent identification of flame dynamics and combustion noise of enclosed flames.
  C. F. Silva, W. Polifke, J. O’Brien and M. Ihme
• Sensitivity analysis of thermo-acoustic eigenproblems with adjoint methods.
  M. Juniper, L. Magri, M. Bauerheim and F. Nicoud
• Multiple-scale adjoint sensitivity analysis of hydrodynamic/thermo- acoustic instability in turbulent combustion chambers.
  L. Magri, Y. C. See, M. Ihme and M. P. Juniper
• Uncertainty quantification of thermo-acoustic instabilities in annular combustors. 
  M. Bauerheim, A. Ndiaye, P. Constantine, G. Iaccarino, S. Moreau and F. Nicoud

IV. JET NOISE

• Overview
• Large eddy simulation of a Mach 0.9 turbulent jet.
  G. A. Bres, P. Jordan, T. Colonius, M. Le Rallic, V. Jaunet and S. K. Lele
• Lattice-Boltzmann simulation of coaxial jet noise generation.
  D. Casalino and S. K. Lele
• Modeling intermittent wavepackets and their radiated sound in a turbulent jet.
  P. Jordan, T. Colonius, G. A. Bres, M. Zhang, A. Towne and S. K. Lele
• Input-output analysis of high-speed jet noise.
  J. W. Nichols and M. R. Jovanovic
• Assessment of the indirect combustion noise generated in a transonic high-pressure turbine stage. 
  D. Papadogiannis, G. Wang, S. Moreau, F. Nicoud, F. Duchaine, L. Gicquel and J. W. Nichols

V. TRANSITION AND TURBULENCE

• Overview
• DNS of laminar-turbulent transition in swept-wing boundary layers.
  L. Duan and M. Choudhari
• Structural changes to a turbulent boundary layer grazing a compliant panel.
  D. Bodony
• Dynamics of gas-liquid interfaces in turbulent flows over superhydrophobic surfaces.
  R. Garcia-Mayoral, J. Seo and A. Mani
• Compressible turbulent channel flow with impedance boundary conditions.
  C. Scalo, J. Bodart, S. K. Lele and L. Joly
• Parallel Optimization for LES.
  C. Talnikar, P. Blonigan, J. Bodart and Q. Wang
• Reduced-order model for near-wall dynamics with implications for wall models.
  T. Sayadi and P. J. Schmid
• Parallel QR algorithm for data-driven decompositions.
  T. Sayadi, C. W. Hamman and P. J. Schmid
• Completion of partially known turbulent flow statistics via convex optimization.
  A. Zare, M. R. Jovanovic and T. T. Georgiou
• Nonlinear model reduction using multiple expansion bases. 
  M. Fosas de Pando, P. J. Schmid and S. K. Lele
• Parametric sensitivity for large-scale aeroacoustic flows. 
  M. Fosas de Pando, P. J. Schmid and S. K. Lele

VI. LARGE-EDDY SIMULATION

• Overview
• A low-cost time-advancing strategy for energy-preserving turbulent simulations.
  F. Capuano, G. Coppola, G. Balarac, H. J. Bae and L. de Luca
• A comparison between low-order and higher-order low-Mach discretization approaches.
  S. P. Domino
• Development of dynamic sub-grid models for variational multiscale methods.
  S. M. Murman L. T. Diosady and A. Garai
• DNS, LES, and wall-modeled LES of separating flow over periodic hills.
  P. Balakumar, G. I. Park and B. Pierce
• Numerical scale separation in large-eddy simulation.
  R. W. C. P. Verstappen, W. Rozema and H. J. Bae
• Transition modeling using data driven approaches.
  K. Duraisamy and P. A. Durbin
• Optimal estimator and artificial neural network as efficient tools for the subgrid-scale scalar flux modeling.
  A. Vollant, G. Balarac, G. Geraci and C. Corre
• A comprehensive DNS database to investigate measures of roughness and LES wall models.
  M. MacDonald, D. Chung, N. Hutchins, L. Chan, A. Ooi, G. I. Park and B. Pierce
• Wall-resolved large eddy simulation in refinery ribbed pipes.
  M. Zhu, E. Riber, B. Cuenot, J. Bodart and T. Poinsot
• Large-eddy simulation of a compressor rotor. 
  J. Joo, G. Medic, D. A. Philips and S. T. Bose
• Prediction of unsteady loading on a steam turbine blade. 
  H. Kim, H. Lee, D. Kim, S. T. Bose and D. A. Philips
• Numerical simulations of oblique shock/boundary-layer interaction at a high Reynolds number.
  D. Szubert, I. Jang, G. I. Park and M. Braza

Participants' countries/institutions