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Method to Locate Contaminant Source and Estimate Emission Strength

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Listed:
  • Qu Hongquan
  • Wang Yongjiao
  • Pang Liping
  • Chang Haijuan
  • Zhang Changnian

Abstract

People greatly concern the issue of air quality in some confined spaces, such as spacecraft, aircraft, and submarine. With the increase of residence time in such confined space, contaminant pollution has become a main factor which endangers life. It is urgent to identify a contaminant source rapidly so that a prompt remedial action can be taken. A procedure of source identification should be able to locate the position and to estimate the emission strength of the contaminant source. In this paper, an identification method was developed to realize these two aims. This method was developed based on a discrete concentration stochastic model. With this model, a sensitivity analysis algorithm was induced to locate the source position, and a Kalman filter was used to further estimate the contaminant emission strength. This method could track and predict the source strength dynamically. Meanwhile, it can predict the distribution of contaminant concentration. Simulation results have shown the virtues of the method.

Suggested Citation

  • Qu Hongquan & Wang Yongjiao & Pang Liping & Chang Haijuan & Zhang Changnian, 2013. "Method to Locate Contaminant Source and Estimate Emission Strength," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-7, December.
    • Handle: RePEc:hin:jnlmpe:163612
    DOI: 10.1155/2013/163612
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