LARGE EDDY SIMULATION OF FIRE IN A LARGE TEST HALL

被引：0
|
作者：
Yuen, A. C. Y. [1 ]
Yeoh, G. H. [1 ,2 ]
Yuen, R. K. K. [3 ]
Tang, J. [1 ]
机构：
[1] Univ New South Wales, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia
[2] ANSTO, Menai, NSW 2234, Australia
[3] City Univ Hong Kong, Dept Civil & Architectural Engn, Kowloon Tong, Hong Kong, Peoples R China
来源：
PROCEEDINGS OF CHT-12 - ICHMT INTERNATIONAL SYMPOSIUM ON ADVANCES IN COMPUTATIONAL HEAT TRANSFER | 2012年
关键词：
FIELD;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A fully-coupled Large Eddy Simulation (LES) model which incorporates all essential subgrid-scale (SGS) turbulence, combustion and radiation has been developed to simulate the temporal and fluid dynamical effects of the burning of methanol in a square pan with a heat release rate of 0.9 MW in a large test hall. A scalar dissipation conditioned SGS combustion model is introduced to account for the non-equilibrium combustion caused by microscopic mixing processes. Numerical results are obtained through the two-step predictor and corrector explicit marching scheme. Predicted transient temperatures are compared against experimental measured data at different spatial locations. Reasonable agreement has been achieved. Effects of different turbulent Prandtl numbers (and Schmidt numbers which they are interrelated) on the transient temperature development are assessed.
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页码：279 / 297
页数：19
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