کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
579551 | 1453145 | 2010 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Back-calculation of the strength and location of hazardous materials releases using the pattern search method
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Predicting quickly and accurately the strength and location of hazardous materials releases becomes a critical problem in emergency rescue. A technique that coupled the concentrations observed in the downwind direction of the source with a dispersion model was presented to back-calculate the strength and location of the release source by using the pattern search method. The technique was described as an optimization problem with an objective function constructed from a sum of squared errors between the observed concentrations and the calculated concentrations. The utility of the pattern search method was illustrated by testing the simulation data with practical data. The advantages of the method were demonstrated by a comparison with a gradient-based algorithm and an intelligent optimization algorithm. The computations indicate that this method can achieve optimal solutions in a relatively shorter time, hence more efficiently meeting the needs of emergency rescue.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 183, Issues 1â3, 15 November 2010, Pages 474-481
Journal: Journal of Hazardous Materials - Volume 183, Issues 1â3, 15 November 2010, Pages 474-481
نویسندگان
Xiaoping Zheng, Zengqiang Chen,