Influence of electrode geometric arrangement on the operation of narrow circular electrostatic precipitator - Publikacja - MOST Wiedzy

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Influence of electrode geometric arrangement on the operation of narrow circular electrostatic precipitator

Abstrakt

In this work the influence of electrode geometric arrangement on the operation of a circular electrostatic precipitator (ESP) was investigated using Particle Image Velocimetry (PIV) method. The ESP was a glass circular cylinder (29 mm in diameter, 300 mm long) equipped with a wire discharge electrode and circular-cylinder collecting electrode. The stainless-steel discharge wire electrode (0.23 mm in diameter, 100 mm long) was mounted either in the centre (concentric case) or off centre of the cylinder (eccentric case), parallel to the cylinder axis. The circular-cylinder electrode was grounded. Positive voltage up to 10 kV was supplied to the wire-electrode through a 10 MΩ resistor. Air flow seeded with a cigarette smoke was blown axially along the ESP duct with an average velocity of 0.9 m/s. Also the case without forced axial flow was studied. The results showed that the eccentricity of the wire electrode with regard to the ESP axis is an important parameter influencing the operation of the circular ESP. Regardless of the discharge current intensity, a small shift of the wire electrode from the ESP axis (the eccentricity smaller than 8%) did not change the discharge current intensity at constant operating voltage. However, when the eccentricity of the wire electrode exceeded 8%, the discharge current intensity increased with increasing shift of the wire electrode from the ESP axis at constant operating voltage.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
International Journal of Plasma Environmental Science & Technology nr 8, strony 60 - 71,
ISSN: 1881-8692
Język:
angielski
Rok wydania:
2014
Opis bibliograficzny:
Niewulis A., Podliński J., Berendt A., Mizeraczyk J.: Influence of electrode geometric arrangement on the operation of narrow circular electrostatic precipitator// International Journal of Plasma Environmental Science & Technology. -Vol. 8., nr. 1 (2014), s.60-71
Weryfikacja:
Politechnika Gdańska

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