NUMERICAL SIMULATION OF DROP FORMATION FROM A NOZZLE IN LIQUID-LIQUID SYSTEMS

摘要

Numerical simulation code is developed to study the formation of liquid drops from a nozzle into another quiescent liquid. The Navier-Stokes equations for two immiscible, incompressible. Newtonian fluids are solved on a fixed, staggered grid of cylindrical axisymmetric coordinates. Interfacial motion is cap-tured using a Front-Tracking Method. The time variation of in-terfacial shape simulated by the code is in excellent agreement with evperiments. Simulation results show that the viscosity ratio alleets the size of the satellite drops.