ABSTRACT
This chapter provides a brief overview of numerical solution tools with an emphasis on an off-line particle tracking code. The numerical/computational tools can readily handle quasihomogeneous mixture flows and most single-phase flow problems. The chapter also provides brief overview of two-phase flow applications ranging from computer simulations of the homogeneous equilibrium model for simple mixture flows, the separated flow model for particle trajectory analyses, to the two-fluid model for tubular particle suspension flows. It focuses on MATrix LABoratory, Version 6 (MATLAB 6) and FEMLAB 2.3 for MS Windows. While MathCad, MATLAB, and FEMLAB stress numerical problem solving, the others feature symbolic math programs. The chapter analyzes mixture flow with drift flux, revisiting the work by R. J. Phillips et al. It deals with bubbly flow, neglecting mass transfer between phases, i.e., no changes in bubble characteristics. The chapter presents an analytic solution of the transformed particle trajectory equation.
