Modification and validation of a method for estimating the location of a point stationary source of passive non-reactive pollutant in an urban environment

George C. Efthimiou, Spyros Andronopoulos, Alexandros Venetsanos, Ivan V. Kovalets, Konstantinos Kakosimos, Christos D. Argyropoulos

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

In Kovalets et al. (2011), a method was developed to estimate the location and rate of an unknown point stationary source of passive atmospheric pollutant in a complex urban geometry. The algorithm was implemented in the ADREA-HF Computational Fluid Dynamics code and was applied in a complex urban geometry (the MUST wind tunnel experiment). This approach has also been evaluated for the Michelstadt experiment (Tsiouri et al., 2014). In the present paper, a major change in the data assimilation code includes the implementation of a two-step approach: At first only the source coordinates are analysed using a correlation function of measured and calculated concentrations. In the second step the source rate is identified by minimizing a quadratic cost function. The validation of the new algorithm is performed for the source location by simulating a wind tunnel experiment on atmospheric dispersion among buildings of a real urban environment. Good results of source location estimation are obtained. Special attention is given on the grid influence regarding the obtained results.

Original languageEnglish
Title of host publicationHARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings
PublisherHungarian Meteorological Service
Pages504-508
Number of pages5
Volume2016-May
ISBN (Electronic)9789639931107
Publication statusPublished - 1 Jan 2016
Event17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2016 - Budapest, Hungary
Duration: 9 May 201612 May 2016

Other

Other17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2016
CountryHungary
CityBudapest
Period9/5/1612/5/16

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Keywords

  • Atmospheric dispersion
  • CFD
  • Data assimilation
  • Inverse problem
  • Source identification

ASJC Scopus subject areas

  • Atmospheric Science
  • Pollution
  • Modelling and Simulation

Cite this

Efthimiou, G. C., Andronopoulos, S., Venetsanos, A., Kovalets, I. V., Kakosimos, K., & Argyropoulos, C. D. (2016). Modification and validation of a method for estimating the location of a point stationary source of passive non-reactive pollutant in an urban environment. In HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings (Vol. 2016-May, pp. 504-508). Hungarian Meteorological Service.