Single droplet impacts onto deposited drops. Numerical analysis and comparison (original) (raw)

2010, Atomization and Sprays

Some references to relevant papers reported in the Publication section are quoted in parenthesis) Experimental analysis of turbulent flows. Turbulent flows in complex geometries (port and in-cylinder flows (B1)) by Laser Doppler Anemometry and visualisation techniques. Development of a procedure to account for step noise amplitude in LDV-measured turbulent spectra (J6). Transport phenomena in spray and jets Extensive LDV-PDA study of air entrainment characteristics in jets and sprays under different temperature and pressure conditions (J2, J9, B3-B5, P9). Development of a theoretical model for predicting air entrainment in steady sprays (J8). Modelling of transport phenomena in Diesel sprays (J26,P28,P34) Optical techniques in jet and sprays analysis Development of a technique based on an unconventional use of conventional PDA to reconstruct coherent structures in spray flows (B2). Development of a laser based technique to measure the instability growing rate in liquid laminar jets (J4). Spray/wall and jet/wall interaction Experimental (LDV-PDA-Visualisation) analysis of the impact of gaseous jets and sprays (Diesel) (P4,P6,P7)onto solid walls. Interface dynamics: drop impact on walls and films Experimental analysis (PDA, High speed visualisation) of single and multiple drop impact onto solid dry (hot and cold) walls and liquid film (J5,J12,J13,J23,J28,J29),. Evidence of the wall effusivity effect on the secondary atomisation (J22). Cratering after drop impact on liquid surfaces (P31,J27,J30,P33,P35) Periodic heat transfer Theoretical analysis of periodic heat transfer problems (periodic heat conduction under Fourier and non-Fourier hypothesis (J11,J20,J24), periodic Graetz problem (J25), dynamic heat storage (J18.J19), inverse problem (J10)). Boundary layer flows Theoretical studies of boundary layer flows under unconventional boundary conditions (J14,J16,J17). Droplet evaporation in high temperature environment. Development of theoretical models to predict drop evaporation in high temperature environment (P29, J32). Atomisation models in sprays Development of atomisation models for fire-supression sprays (P30,P32). Consultancy activities Consultancy and applied research for industry in the following fields: Multimode heat and mass transfer in complex geometries. Development of ink-jet heads for industrial printing. Heat pumps for residential and industrial heating and cooling. Energy assessment of thermo-hydraulic systems. Modelling of heat and mass transfer in dryers for asphalt production Most relevant publications International Journals J1) "Measurements of Tip Penetration of Confined High Density Gaseous Jets by Laser Beam Deflection "