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The Numerical Computation Method of Physical Quantity of Dust Concentration Based on Matlab
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
2015 (English)Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
Abstract [en]

With the rapid development of the industry all over the world, the consumption of fossil fuel of human activities has reached an extremely high level which result in an incredible dust emission level nowadays. As one of the major environment challenges today, dust pollution has become a vital issue that the human beings have to face and resolve. 

 

To tackle the dust pollution problem, a reliable measurement of the dust concentration level is essential. In recent years, methods with different principles are used to detect the dust concentration have been developed. The methods developed based on the scattering principle and the extinction principle for dust concentration measurement have a series of virtues such as high measurement speed, excellent precision and can be useful for real time monitoring. 

 

This thesis reviewed the popular theories that are applied in the field which are light scattering (Mie theory) and light extinction (Lambert-beer theory). Matlab simulation is used to verify the possibility of the determined physical quantities related to the concentration measurement in the theory analysis. A new method using the ratio of scattering intensity and extinction intensity is discussed in this thesis providing a more accurate result eliminating the drawbacks of the scattering method and the extinction method.

Place, publisher, year, edition, pages
2015. , 34 p.
Keyword [en]
Light scattering, light extinction, Lambert-beer theory, Mie theory, Matlab simulation
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-19149DOI: 34OAI: oai:DiVA.org:hig-19149DiVA: diva2:798484
Subject / course
Electronics
Educational program
Electronics – bachelor’s programme (in eng)
Presentation
2015-01-29, 11321, Gävle, 14:15 (English)
Supervisors
Examiners
Available from: 2015-03-27 Created: 2015-03-26 Last updated: 2015-03-27Bibliographically approved

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