Large eddy simulation of microburst winds flowing around a building

Abstract

A large eddy simulation of a microburst producing thunderstorm is carried out. The thunderstorm is initiated when a thermal within a developing mixed layer reaches the lifting condensation level and strong latent heating occurs. A microburst is subsequently produced as condensate from the thunderstorm falls beneath the melting level. In this study, the viability of using two-way interactive multiple nested grids to investigate the interaction of the outflow from the microburst with a much smaller scale architectural structure is investigated. The relationship of the fluctuating winds around the building to the microburst structure is described. © 1993.