Instabilities of Flows with and without Heat Transfer and Chemical Reactions
Invited Lecturers
- Jonathan Healey (Keele University, Keele, Staffordshire, Great Britain)
- 5 lectures on: Parallel shear flow; inviscid stability theorems; triple deck structure; method of matched asymptotic expansion; Viscous layers and Reynolds number scaling; Nonparallel and weakly nonlinear theories; Spatial and temporal problems; initial value problems and saddle-point methods for large time evolution of wave packets; case study of a rotating disk boundary layer.
- Ivan Marusic (University of Melbourne, Melbourne, Victoria, Australia)
- 4 lectures on: Experimental techniques for studies in wall turbulence and transition processes; Instabilities and self-sustaining mechanisms in wall bounded turbulent flows; Theoretical bounds on drag reduction in turbulent pipes and channel flows; Late stages of transition (nonlinear 3D transitional flows) and flows with turbulent spots; Morphology of fully developed turbulent flow.
- Thierry Poinsot (CERFACS , Toulouse Cedex, France)
- 8 lectures on: Combustion and CFD for reacting flows; combustion instabilities, flame stabilization, RANS/DNS and LES of reacting flows; absolute and convective instabilities in combustion; self-excited combustion instabilities vs forced combustion modes; network and Helmholtz methods to study acoustic modes; application of LES to real combustors and comparison with experimental results; control of stability by acoustics; simulation of two-phase reacting flows; DNS of droplet clouds; closure model and LES of evaporating droplets; combustor exhibiting instabilities: example of aircraft and helicopter engines.
- Tapan K. Sengupta (Indian Institute of Technology, Kanpur, India)
- 8 lectures on: Wave mechanics and space-time scales in fluid dynamical system; stability and receptivity; Compound matrix method for Orr-Sommerfeld equation; Bromwich contour integral method for receptivity; transient growth mechanism for spatially stable systems; verification by DNS; stability of mixed convection flow past vertical plate; DNS of vortex-induced instability and bypass transition; bluff body flow instability for isothermal and mixed convection, assisting and opposing flows; free stream turbulence modeling and its effect on bluff body flow instability.
- Paul J. Strykowski (University of Minnesota, Minneapolis, Minnesota, USA)
- 5 lectures on: Experimental aspects: Instabilities, role of initial conditions, background excitation and receptivity; verifying the foundation of linear stability theory; experimental demonstration of absolute and convective instabilities on free shear layer; dependence on flow parameters and geometry; lab examples showing connection between linear theory and global flow dynamics; flow control exploiting insight from stability theory.