Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13176
Title: A pure Eulerian model for simulating dilute spray combustion
Authors: Guo, YC
Chan, CK 
Lau, KS
Keywords: Modeling of two-phase flow
Spray combustion
Issue Date: 2002
Publisher: Elsevier
Source: Fuel, 2002, v. 81, no. 16, p. 2131-2144 How to cite?
Journal: Fuel 
Abstract: A pure Eulerian model is developed to simulate steady-state dilute spray combustion. This model is based on a fundamental description of various interacting processes which occur during spray combustion including gas-phase and spray droplet-phase turbulent flow, gas-phase turbulent combustion, radiation heat transfer and spray droplet evaporation. Both gas-phase and spray droplet-phase conservation equations are described using Eulerian coordinates. A comprehensive mathematical model is used to simulate isothermal flow, combusting flow and kerosene spray combusting flow in an axisymmetric sudden-expansion combustor. Validity of the model and the simulation scheme are established from the good agreement of the prediction with experimental data in gas-phase isothermal flow and propane combusting flow. Simulation of kerosene spray combustion shows that small droplets evaporate rapidly and do not enter the recirculation zone. For larger droplets, the length of recirculation zone is almost the same as that of the gas-phase. Simulated velocity, temperature and oxygen concentration for kerosene combustion also agrees well with experimental results.
URI: http://hdl.handle.net/10397/13176
ISSN: 0016-2361
EISSN: 1873-7153
DOI: 10.1016/S0016-2361(02)00140-0
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