轻量级有毒气体扩散在线可视化仿真平台
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摘要
突发性事故会在短时间内排放大量有毒有害污染物,危害性极大,极其需要对其扩散做出快捷、准确、普适性应对。采用高斯烟团模型来对气体污染扩散进行模拟仿真,并对其进行了轻量化处理,使得其在Web3D的Three.JS框架得以实现,用户们通过访问网页即可实时访问有毒气体扩散全部可视化过程,可以便捷地估计出有毒气体的污染扩散趋势,还可以进一步分析在不同影响条件下的气体污染扩散对周围环境的影响。借助于本平台,用户还可以对各种有毒气体扩散模型数据进行管理,并自主设置各种有毒气体扩散参数,极大地方便了用户对气体污染扩散平台的操控。
The sudden accidents usually emit large quantities of toxic gases and harmful pollutants in a short time. It is very necessary and meaningful to predict and visualize the dispersing trend of those toxic gases over Internet as accurate and fast as possible for people to evacuate safely and immediately. We propose a lightweight simulation for air pollution dispersion based on the Gaussian puff model. With this method, we can visualize the procedure of toxic gas dispersing on a webpage in real-time. we can also estimate the pollution of toxic gas dispersion trend and analyze their further pollution effects on the surrounding environment under different air conditions. We implement our ideas with Three.JS framework in a Web3 D manner. With the help of this platform, users can not only manage all kinds of toxic gas dispersion model data, but also set up the data of toxic gas dispersion, which is convenient for pubic to use.
The sudden accidents usually emit large quantities of toxic gases and harmful pollutants in a short time. It is very necessary and meaningful to predict and visualize the dispersing trend of those toxic gases over Internet as accurate and fast as possible for people to evacuate safely and immediately. We propose a lightweight simulation for air pollution dispersion based on the Gaussian puff model. With this method, we can visualize the procedure of toxic gas dispersing on a webpage in real-time. we can also estimate the pollution of toxic gas dispersion trend and analyze their further pollution effects on the surrounding environment under different air conditions. We implement our ideas with Three.JS framework in a Web3 D manner. With the help of this platform, users can not only manage all kinds of toxic gas dispersion model data, but also set up the data of toxic gas dispersion, which is convenient for pubic to use.
引文
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[2]Marrin C.Webgl specification[Z].Khronos WebGLWorking Group,2011.
[3]Ning Ying-Zhi,Wang Hong-Jun,Yu Juan-Hong,et al.Response of the soil ciliate community to ecological restoration in Huajialing,Dingxi,Gansu[J].DongwuxueYanjiu(S0254-5853),2011,32(2):223-231.
[4]WebGL-OpenGL E S.2.0 for the Web[Z].Khronos Group,2014.
[5]Wu Q Z,Xu W S,Zhao X J,et al.The spatial optimization of the PM10emition in Beijing and its verification by the numeric model[J].Acta Scientiae Circumstantiae(S0253-2468),2012,32(10):2458-2558.
[6]Congote J,Segura A,Kabongo L,et al.Interactive visualization of volumetric data with webgl in real-time[C]//Proceedings of the 16th International Conference on3D Web Technology.ACM,2011:137-146.
[7]艾唐伟.Matlab在危险气体扩散模拟分析中的应用[J].工业安全与环保,2009,35(3):24-26.AiTangwei.Application of Matlab in simulation analysis of dangerous gas diffusion[J].Industrial safety and environmental protection,2009,35(3):24-26.
[8]黄猛,高萍.基于GIS的震后有毒气体扩散模型算法[J].科技通报,2013,29(10):48-50.Huang Meng,Gao Ping.Model of toxic gas diffusion based of GIS after earthquake[J].bulletin of science and technology,2013,29(10):48-50.
[9]高丽娜.2011年冬季长江三角洲气态污染物的模拟分析[J].中国科学院大学学报,2014,31(3):380-388.Gao Lina.Simulation analysis of gaseous pollutants in Yangtze River Delta in winter of 2011[J].Journal of Chinese Academy of Sciences,2014,31(3):380-388.
[10]Feng L,Wang C,Li C,et al.A research for 3D WebGISbased on WebGL[C]//Computer Science and Network Technology(ICCSNT),2011 International Conference on.IEEE,2011,1:348-351.
[11]苗欣.FLUENT在丙烷泄漏扩散研究中的应用[J].南开大学学报,2014(4):26-33.Miao Xin.Application of FLUENT in the study of propane leakage and diffusion[J].Journal of Nankai University,2014(4):26-33.
[12]Fisher M,Ritchie D,Savva M,et al.Example based synthesis of 3D object arrangements[J].ACMTransactions on Graphics(S0730-0301),2012,31(6):135.
[13]制定地方大气污染物排放标准的技术方法[S].GB/T3540-1991.Technical methods for making local emission standards of airpollutants[S].GB/T3540-1991.
[14]Byun D,Schere K L.Review of the Governing Equations,Computational Algorithms,and Other Components of the Models-3 Community Multiscale Air Quality(CMAQ)Modeling System[J].Applied Mechanics Reviews(S0003-6900),2006,59(2):51.
[15]Giglio L,Randerson J T,Werf G R vander,et al.Assessing variability and long-term trends in burned area by merging multiple satellite fire products[J].Biogeosciences(S1726-4170),2010,7:1171-1186.
[16]Hong S M,Jiao L,He X,et al.Variation of visibility in Hangzhou urban and their relation with major factors[J].China Power Science and Technology(S1008-5548),2009,15(2):56-61.
[17]Li L,Chen C H,Huang C,et al.Regional air pollution characteristics simulation of O3 and PM10 over Yangtze River Delta region[J].Environmental Science(S0250-3301),2008,29(1):237-245.
[18]Parisi T.Programming 3D Applications with HTML5and WebGL:3D Animation and Visualization for Web Pages[M].“O'Reilly Media,Inc.”,2014.