Computational Methods in Multiphase Flow VIII

ContentsSection 1: Computational modellingComputational multi-component modelling of electron transport and ohmic heating inside a micro arc-jet thrusters; Space and temporal evolution of density wave oscillations in multi-phase flow channels of boiling water reactors; Solutions of scalar mean profiles close to gas-liquid interfaces under turbulent free slip motion; Modelling heat transfer in flashing CO2 fluid upon rapid decompression in pipelines; Numerical simulation and pressure drop prediction of slug flow in oil/gas pipelines; Characterization of the fluidization of medium consistency pulp suspensions in a centrifugal pump; Numerical study of surface tension effects on bubble detachment in a submerged needleSection 2: Experimental measurementsChemical determination of oxygen transfer rates, transfer efficiencies and interphases evoked by aeration elements for liquid flows; Pressure drop, flow pattern and hold-up measurements of gas-liquid flow in pipes; Experiments on water droplet separation in a Ranque-Hilsch vortex tube (RHVT); Experimental study on the radial distribution of the main transition velocities in bubble columns; Influence of temperature and electrolyte concentration on regime maps in vertical-adiabatic two-phase pipe flow; Behaviour of biomass particles in a large scale (2-4MWth) bubbling bed reactor; Oblique shock interaction with a cylindrical density interface; Effects of inclination angle on a shock-accelerated heavy gas columnSection 3: Multiphase flow simulationExperimental and numerical investigation of liquid jets evaporating in a dilute gas-liquid-solid pipe flow; Scaling in multiphase systems application to accidental scenarios in PWR; Stochastic interactions of rough particles in viscous shear flow; Prediction of the fraction of water bypassed to ECBD due to interaction of air crossflow; Internal and external characteristics of a superheated jet; A high-order approach to solving nonlinear differential equations applied to direct numerical simulation of two-phase unsteady flow; Development of a multiscale solver with sphere partitioning tracking; Numerical simulation of laminar core-annular flow in a 90 bend; Enhancement of the SPARC90 code capabilities for pool scrubbing under jet injection regimes; Studies of grain segregation patterns on a destoner using a CFD-DEM approach; Computational modelling of gas-liquid multiphase flows with DQMOM and the N-phase Algebraic Slip Model; Numerical modelling of the slurry flow in pipelines and prediction of flow regimes; Modelling effects of particle size and pipe gradient on sand transport in multiphase pipes; Mechanistic model for four-phase sand/water/oil/gas stratified flow in horizontal pipes; Sensitivity of dispersed-bubble flow regime identification over a broad parameter space and to various closure relations for mechanistic models of gas-liquid pipe flow; Validation analyses of advanced turbulence model approaches for stratified two-phase flowsSection 4: Bubble and drop dynamicsModeling of micrometre-sized molten metallic droplet impact on a solid wall; A study on thermally controlled bubble growth in a superheated liquid with a thermal non-equilibrium cavitation model based on energy balances on a fixed fluid mass; Experimental study of water drop motions induced by superposition of vibrations and shear flowsSection 5: CavitationCFD modeling of cavitation in solenoid valves for diesel fuel injection; avitation modeling using compressible Navier-Stokes and Korteweg equationsSection 6: Interface behaviourPhysical modeling of turbulent multiphase flow in a continuous casting steel mold; Development of new correlations for annular flow; Surfactant concentration and its effect on the flow field inside an oil droplet rising in an aqueous medium: LIF and PIV measurementsSection 7: Flow in porous mediaThree-dimensional visualization of natural convection of miscible fluids due to the density difference in a packed bed; Three-dimensional simulation of the impregnation stage of the RTM process considering the local structure of the fiber layup; Particle Image Velocimetry with high power Light Emitting Diodes for flow through porous medium; Transport of water-glycerol mixtures in porous materials studied with NMR imaging