High Resolution Algorithms for Multidimensional Population Balance Equations Rudiyanto Gunawan, Irene Fusman, and Richard D. Braatz Dept. of Chemical and Biomolecular Engineering, University of Illinois, Urbana, IL 61801 DOI 10.1002/aic.10228 Published online in Wiley InterScience (www.interscience.wiley.com). Population balance equations have been used to model a wide range of processes including polymerization, crystallization, cloud formation, and cell dynamics. Rather than developing new algorithms speci?c to population balance equations, it is proposed to adapt the high-resolution ?nite volume methods developed for compressible gas dynamics, which have been applied to aerodynamics, astrophysics, detonation waves, and related