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TECHNICAL PAPERS

Fluid Dynamic Aspects of Electrostatic Precipatators: Turbulence Characteristics in Scale Models

[+] Author and Article Information
Aldo Coghe, Michele Mantegna, Giorgio Sotgia

Dipartimento di Energetica, Politecnico di Milano, P. le Leonardo da Vinci, 32, 20131 Milano, Italy

J. Fluids Eng 125(4), 694-700 (Aug 27, 2003) (7 pages) doi:10.1115/1.1593704 History: Received April 21, 2000; Revised January 12, 2003; Online August 27, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic of the test section used to measure turbulence decay past a perforated screen
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Measured turbulence decay for test cases 2 and 4 of Table 2: experimental data points and their linear best fit according to Eq. (8)
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Measured turbulence decay for test cases 5 and 8 of Table 2: experimental data points and their linear best fit according to Eq. (8)
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Measured turbulence decay for test cases 10 and 11 of Table 2: experimental data points and their linear best fit according to Eq. (8)
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The complete set of data in dimensionless form. The solid line is the parabola w=u2, while the dashed line represents the best fit of the data.
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Schematic of the collecting electrodes used in the present investigation
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Axial distribution of the relative turbulence intensity as measured at two different depths from the upper wall of the model
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Mean velocity (a) and turbulence intensity (b) isolines measured in a section 280 mm from the top wall, in a 1:3 scale model of two collecting electrodes. Experimental case A.
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Mean velocity (a) and turbulence intensity (b) isolines measured in a section 280 mm from the top wall, in a 1:3 scale model of two collecting electrodes. Experimental case D.

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