LES for Energy Conversion in electric and combustion Engines [LES4ECE]
Thursday 4 December
8.30 Registration
9.15 Welcome Address
E. Heintzé, Scientific Director (IFPEN, France)
9.30 Keynote address by H. Pitsch (RWTH Aachen Univ., Germany)
LES of diesel sprays using advanced computational methods and models for mixture and
emission formation
Session 1: LES modeling and numerics
10.05 Numerical and experimental analysis of intake-port boundary-layer modeling and its
influence on fluctuations of the large-scale charge motion
F. Hartmann1, S. Buhl1, P. Kranz2, M. Schild2, S. Kaiser2, C. Hasse1
(1 TU Bergakademie Freiberg, 2 Univ. of Duisburg-Essen, Germany)
10.30 Effect of valve and piston motion on the discharge coefficient in an exhaust port
B. Semlitsch1, Y. Wang2, M. Mihaescu1 (1 Royal Institute of Technology, Sweden;
2 Northwestern Polytechnical Univ., China)
10.55 Break
11.25 Adaptive LES of dynamically changing geometries in OpenFOAM®:
an application to the TCC test case
F. Piscaglia, A. Montorfano, A. Onorati (Politecnico di Milano, Italy)
11.50 The influence of LES filter width on the turbulent in-cylinder flow
T. Nguyen, A. Kempf (Univ. of Duisburg-Essen, Germany)
12.15 Lunch
13.45 Comparison of LES SGS models in pipe flow
D. H. Lee, B. Kucinschi, S. Nomura, O. Nitulescu, T. Shieh (Toyota Motor Engineering & Manufacturing
North America, USA)
14.10 LES for IC engine flows – effect of machine hardware, adaptive mesh refinement and sub-grid
scale models
X. Yang1, S. Gupta1,3, Q. Xue2, S. Som2, T-W. Kuo1 (1 GM Global R&D, 2 Argonne National Lab.,
3 Univ. of Michigan, USA)
14.35 Prediction of cyclic combustion variability in internal combustion engines via coupled
1D-3D LES method
B. Roux1, J. Bohbot1, Q. H. Tran1, P. Sagaut2 (1 IFPEN, 2 UPMC, France)
Session 2: Flow variability
15.00 Comprehensive engine combustion characterization for LES validation
B. Böhm, B. Peterson, E. Baum, C-P. Ding, A. Dreizler (TU Darmstadt, Germany)
15.25 Cluster-based reduced-order modeling of a gasoline IC engine
Y. Cao1,2, E. Kaiser1, J. Borée1, B. R. Noack1, L. Thomas1, S. Guilain2, A. Spohn1
(1 CNRS – Univ. of Poitiers, 2 Renault, France)
15.50 LES of the cold flow of a DISI-Engine and validation with high-speed PIV measurements
M. Theile1,2, E. Hassel1, D. Thévenin2, B. Buchholz3 (1 Univ. of Rostock, 2 Univ. of Magdeburg “Otto von Guericke”, 3 FVTR, Germany)
16.15 Break
16.45 Investigation of unsteady wall heat flux under engine relevant conditions using Direct
Numerical Simulation
M. Schmitt1, C. E. Frouzakis1, Y. M. Wright1, A. Tomboulides2, K. Boulouchos1 (1 ETH Zürich,
Switzerland; 2 Univ. of Western Macedonia, Greece)
17.10 Separation of large-scale structures and turbulent fluctuations in IC Engines using
POD-Based conditional averaging
S. Buhl, F. Hartmann, C. Hasse (TU Bergakademie Freiberg, Germany)
17.35LES of IC engine flows for different engine speeds and intake manifold pressures
P. Schiffmann1, S. Gupta1,2, D. Reuss1, V. Sick1, X. Yang2, T-W. Kuo2 (1 Univ. of Michigan, 2 GM
Global R&D, USA)
18.00 An experimental and simulation study of turbulent flow in a homogeneous-charge spark-
ignition engine
Y Shekhawat1, S. Paltrinieri2, P. Schiffmann3, D.C. Haworth1, S. Fontanesi2, V. Sick3, D.L. Reuss3
(1 Pennsylvania State Univ., USA; 2 UNIMORE, Italy; 3 Univ. of Michigan, USA)
18.25 LES for the exploration of fast transients in downsized GDI SI engines – motored conditions
C. Pera, G. Pilla, L-M. Malbec, S. Jay, C. Angelberger(IFPEN, France)
18.50 End of the presentations
Bus transfer to the Brasserie Le Boeuf sur le toit
20.00 Dinner
22.00 Bus departure to Place Charles de Gaulle Etoile in Paris then to Rueil-Malmaison near the hotels
Français