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Title: A study of the effect of a line of sprinklers on the fire induced air flow using the two-dimensional field modelling technique
Authors: Chow, WK 
Fong, NK 
Issue Date: 1991
Publisher: Pergamon Press
Source: Mathematical and computer modelling, 1991, v. 15, no. 7, p. 63-81 How to cite?
Journal: Mathematical and computer modelling 
Abstract: The air drag and cooling effect of a line of sprinkler water spray on fire-induced hot air is studied using a two-dimensional field modelling technique. The sprinkler water spray is described by an imposed envelope with the shape obtained from the water droplet trajectories. The interaction between the fire-induced hot air and the sprinkler water droplet is described in the source terms of the enthalpy and momentum conservation equations, i.e., the Particle-Source-in-Cell method. The PISO scheme is used to solve the set of equations. In this way, a 'microscopic' description on the interaction between the sprinkler water sprays with the fire-induced hot air as well as the macroscopic parameters such as drag to buoyancy ratio, air entrainment rate and convective cooling amount is achieved.
ISSN: 0895-7177
DOI: 10.1016/0895-7177(91)90034-5
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