Assessment of spectral narrow band and weighted-sum-of-gray-gases models for computational fluid dynamics simulations of pool fires

Dembele S; Zhang J; Wen JX

首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >Assessment of spectral narrow band and weighted-sum-of-gray-gases models for computational fluid dynamics simulations of pool fires

【24h】

Assessment of spectral narrow band and weighted-sum-of-gray-gases models for computational fluid dynamics simulations of pool fires

机译：光谱窄带和灰色气体加权和模型的评估，用于水池火灾的计算流体动力学模拟

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

The statistical narrow band (SNB), correlated-k (CK), and weighted-sum-of-gray-gases (WSGG) models have been incorporated into a computational fluid dynamics (CFD) code. Their accuracy and computing times are evaluated for three pool fires scenarios. CFD-CK and CFD_SNB yield similar predictions, and the former is three times more CPU demanding than the latter. CFD-CK is unrealistic for practical fire applications. Temperature and velocity predictions with CFD-WSGG and CFD-SNB agree better in the persistent and plume regions, but significant discrepancies are found in the intermittent region. The overall predictions of the two approaches show reasonable agreement. The WSGG model should not be discarded for CFD fire simulations.

机译：统计窄带（SNB），相关k（CK）和加权灰色气体总和（WSGG）模型已合并到计算流体动力学（CFD）代码中。针对三种池火灾情况评估了它们的准确性和计算时间。 CFD-CK和CFD_SNB得出相似的预测，并且前者的CPU需求是后者的三倍。 CFD-CK对于实际消防应用是不现实的。使用CFD-WSGG和CFD-SNB进行的温度和速度预测在持久性和羽状区域中的一致性更好，但是在间歇性区域中发现了显着差异。两种方法的总体预测显示出合理的一致性。 WSGG模型不应用于CFD火灾模拟。

著录项

来源
《Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology》 |2005年第3期|共20页
作者
Dembele S; Zhang J; Wen JX;
展开▼
作者单位

展开▼
收录信息
原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
RADIATIVE HEAT-TRANSFER; HIGH-TEMPERATURE; ENCLOSURES; FLAMES; BUOYANCY; H2O; CO2;

机译：辐射传热;高温;外壳;火焰;浮力;H2O;CO2;

相似文献

外文文献
中文文献
专利

1. Assessment of spectral narrow band and weighted-sum-of-gray-gases models for computational fluid dynamics simulations of pool fires [J] . Dembele S, Zhang J, Wen JX Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology . 2005,第3期

机译：光谱窄带和灰色气体加权和模型的评估，用于水池火灾的计算流体动力学模拟
2. Investigation of Submodels in Computational Fluid Dynamics Simulations of a Large-Scale Pulverized-Coal-Fired Furnace: Significant Role of H-2 [J] . Zhang Juwei, Ito Takamasa, Watanabe Kazuhiro, Energy & fuels . 2016,第JULaSPECa期

机译：大型煤粉炉计算流体动力学模拟中的子模型研究：H-2的重要作用
3. Computational fluid dynamics simulation of LNG pool fire radiation for hazard analysis [J] . Biao Sun, Kaihua Guo, Vishnu K. Pareek Journal of loss prevention in the process industries . 2014,第Null期

机译：用于危害分析的LNG池火辐射的计算流体动力学模拟
4. Simulation of Ash Particle Behaviour on Surfaces of Biomass Fired Fluidized Bed Boilers - Combination of Computational Fluid Dynamics and Advanced Ash Analysis [C] . Christian Mueller, Bengt-Johan Skrifvars, Rainer Backman, International Conference on Fluidized Bed Combustion . 2001

机译：生物质烧制流化床锅炉表面灰粒子行为的仿真 - 计算流体动力学和高级灰分分析的组合
5. Computational Fluid Dynamics Modeling and Simulations of Fluidized Bed Reactors for Chemical Looping Combustion. [D] . Banerjee, Subhodeep. 2016

机译：化学回路燃烧流化床反应器的计算流体动力学建模和仿真。
6. Clinical validation and assessment of aortic hemodynamics using computational fluid dynamics simulations from computed tomography angiography [O] . Yulei Zhu, Rui Chen, Yu-Hsiang Juan, 2018

机译：使用计算机断层造影血管造影的计算流体动力学模拟对主动脉血流动力学进行临床验证和评估
7. Modeling of Liquefied Natural Gas Release and Dispersion: Incorporating a Direct Computational Fluid Dynamics Simulation Method for LNG Spill and Pool Formation [O] . Walter Chukwunonso Ikealumba, Hongwei Wu 2016

机译：液化天然气释放和色散建模：液化天然气泄漏和池地层的直接计算流体动力学模拟方法
8. Modeling fires in adjacent ship compartments with computational fluid dynamics [R] . Wix, S. D., Cole, J. K., Koski, J. A. 1998

机译：利用计算流体动力学模拟相邻船舱中的火灾

Assessment of spectral narrow band and weighted-sum-of-gray-gases models for computational fluid dynamics simulations of pool fires

摘要

著录项

相似文献

相关主题

期刊订阅