Computational Methods in Multiphase Flow

Contents Section 1: Multiphase flow simulation Assessment of static bed height and particle diameter on the hydrodynamic behavior of a spouted bed; Morphology of shock-accelerated multiphase flow: experiment and modelling; Modelling plasma flow with particle classes for different charge carriers and neutral particles; Use of Euler free surface flow analysis to provide appropriate injection conditions in Euler-Lagrange numerical models; Development, verification and application of numerical model for coupled free surface and liquid metal flow calculation in EM field; Air-water two-phase flow through U-bend, sudden expansion and sudden contraction in rectangular mini-channels; Large scale simulation of high pressure water mist systems; Comparison of drift-flux and multi-fluid approaches to modeling of multiphase flow in oil and gas wells; Numerical study of the churn-slug transition dynamics in vertical upward air-water flows; Extension of the 1-D characteristic open boundary conditions to the diffuse interface model; Morphology of shock-accelerated multiphase flow: experiment and modelling; Flows of particle-laden Bingham fluids in a Hele-Shaw cell; Particle interactions in oscillatory Stokes flow; Parametric study of multiphase flow in potential Barents Sea pipelines from Fedyn Arch to shore; Flux corrected transport solver for solving 1D multiphase equations for drilling applications Section 2: Multiphase flow phenomena in fire suppression (Special session organised by K. V. Meredith) Rupture of thin liquid films under the influence of external heat flux; Evaporation and heat transfer from thin water films on vertical panels in simulated fire conditions; Impact of non-uniform surface flows on fire suppression of an idealized commodity; Effect of water mist on temperature and burning velocity of stretched propane-air premixed flames; Experimental study of the impingement process of a liquid droplet upon a corrugated cardboard surface; Simplified modeling of sprinkler head fluid mechanics Section 3: Interface behaviour Flow and motion behavior of particle suspensions in shear flow over a rough surface; Modelling of microbubble coalescence; Global eigenmodes of free-interface vertical liquid sheet flows Section 4: Bubble and drop dynamics Generating work from macro cavities in superheated liquids; Design and testing of instrumentation for multi-phase flow sampling and local void fraction measurement; Study on water flow field around a stationary air bubble attached at the top wall of a circular pipe Section 5: Flow in porous media Relating solute and gas dispersion in gravel at different transport velocities; Investigation of the effect of compression on a soft fibrous porous medium Section 6: Computational methods One-dimensional turbulent mass transfer at air-water interfaces: details of discontinuities of derivatives using the RSW method; CFD implementation and experimental validation of the Chen model for heat transfer in nucleate boiling; CFD simulation of a CT scan oral-nasal extrathoracic model; SPH modelling of the interaction between free-surface flows of a viscoplastic fluid and a structure Section 7: Experimental measurements Unexpected behaviour of microbubbles immediately at the aerator exit; Experimental investigation of slug pattern in a horizontal two-phase flow; Effect of 180 bends on gas/liquid flows in vertical upward and downward pipes; Application of the gamma radiation method in analysing the effect of liquid viscosity and flow variables on slug frequency in high viscosity oil-gas horizontal flow; Horizontal air-water flow pattern recognition; Experimental observations of cohesive sediment dynamics in aquaculture recirculation tanks Section 8: Oil and gas applications Pore-scale observation of surfactant flooding for weekly water-wet porous media: the effect of gas injection to improve oil recovery; Near well simulations of heavy oil production with ICD completion; Technical challenges and solutions in a closed loop MEG regeneration system for gas field offshore, UK;On the development of integrated sensor for multiphase measurements