[1]王 怡,刘 波,曹莹雪,等.双污染源对室内浓度场分布影响的数值模拟研究[J].西安建筑科技大学学报:自然科学版,2015,47(04):592-597.[doi:10.15986/j.1006-7930.2015.04.023]
 WANG Yi,LIU Bo,CAO Yingxue,et al.Numerical simulation on concentration distribution of indoor room with two pollution source[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(04):592-597.[doi:10.15986/j.1006-7930.2015.04.023]
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双污染源对室内浓度场分布影响的数值模拟研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年04期
页码:
592-597
栏目:
出版日期:
2015-08-31

文章信息/Info

Title:
Numerical simulation on concentration distribution of indoor room with two pollution source
文章编号:
1006-7930(2015)04-0592-6
作者:
王 怡刘 波曹莹雪杨 洋
西安建筑科技大学环境与市政工程学院,陕西 西安 710055
Author(s):
 WANG Yi LIU Bo CAO Yingxue YANG Yang
 School of Environment and Municipal Engineering, Xi’an Univ. of Arch. & Tech., Xi’an 710055, China
关键词:
双污染源浓度分布叠加差数值模拟源项浓度
Keywords:
 Double pollution source Concentration distribution Superposition difference Numerical Simulation Source phase concentration
分类号:
TU834
DOI:
10.15986/j.1006-7930.2015.04.023
文献标志码:
A
摘要:
在工业生产过程中会产生大量污染气体,研究污染气体的分布规律将为改善工业室内空气品质奠定一定的基础.通过运用计算流体力学(CFD)方法,对单污染源单独散发和双污染源共同作用的情况进行了数值模拟,分析和比较了单污染源单独散发时污染物浓度场的数值叠加值和双污染源共同作用下的污染物浓度场间的差异,定义并运用了叠加差的概念,分析
和比较了室内污染气体的浓度分布,得出单污染源单独散发浓度场的数值叠加值整体要高于双污染源共同作用值,但是在源项上方时双污染源共同作用值要高于单污染源的数值叠加值,所以研究多污染源散发时不能将单污染源进行简单的叠加;并通过改变源项污染物浓度,总结源项浓度对叠加差值的影响.
Abstract:
The industrial production process a large number of polluting gases are be generated. The studying the distribution of pollutants will lay a solid foundation for improving indoor air quality. In this paper, the method of Computational Fluid Dynamics (CFD) is employed to simulate the two pollution sources emission respectively and simultaneously. By defining the concept of superposition difference, the difference between the numerical superimposed concentration field of the single pollution source and the concentration field of the double pollution source that emit simultaneously are analyzed. The numerical results show that the superimposed concentration of the single pollution source is larger than the concentration of the double pollution source as a whole, while above the source, the value of the later is greater than that of the former. Thus the multi sources cannot be treated simply as a superposition of several single sources. Furthermore, by increasing the emitting concentration of the source, the effect of concentration of the source on the superposition difference is summarized.

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备注/Memo

备注/Memo:
收稿日期:2015-04-15 修改稿日期:2015-08-10
基金项目:国家自然科学基金重点项目(51238010);国家杰出青年基金项目(51425803)
作者简介:王怡(1970-),女,教授,博士生导师,主要从事建筑通风理论及其在实际中应用研究.E-mail:wangyi6920@126.com
更新日期/Last Update: 2015-10-31