Collector Current Density and Dust Collection in Electrostatic Precipitators
Basics, Concepts, Methods
(Sprache: Englisch)
Deutsch collection theory was developed for tubular geometry and applied to wire-plate ESP without taking into account the differences in geometry and current density distribution. Investigations revealed a square law relationship between the collector...
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Deutsch collection theory was developed for tubular geometry and applied to wire-plate ESP without taking into account the differences in geometry and current density distribution. Investigations revealed a square law relationship between the collector electric field and collector current density in space charge dominated coronas. Applying this relationship to Deutsch collection theory led to a new collection formula which is used to assess the impact on ESP performance due to the uneven current density distribution. A new concept of distributed corona impedance is developed to assess the effect of the dust layer on collection performance. It shows that optimal wire-plate ESP collection is obtained with the wire-wire spacing less than the wire-plate distance, confirming published experimental results. This is the first analytical approach to show better ESP collection performance can be achieved at the ratio of wire-wire spacing/wire-plate distance not equal to unity, which has been the industry practice since 1960. The analysis should shed some light on how ESP basic design could be changed and should be especially useful to ESP design professionals and researchers.
Autoren-Porträt von Albert W. Yuen
Yuen, Albert W .Albert W. Yuen, Ph.D.: Engineering studies and graduate research at University of Western Australia. 40 years of experience in utility construction and operations in Australia and in China. From 2003 to 2006 conducted research on electrostatic precipitators at University of New South Wales. Senior Consultant at Fujian Longking Company Ltd, China.
Bibliographische Angaben
- Autor: Albert W. Yuen
- 2008, 236 Seiten, Maße: 15,1 x 22,1 cm, Kartoniert (TB), Englisch
- Verlag: VDM Verlag Dr. Müller e.K.
- ISBN-10: 3639007905
- ISBN-13: 9783639007909
Sprache:
Englisch
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