Study on the Vibration of Discharging Electrode for the Electrostatic Precipitator (1st Report)

The discharging electrode for an electrostatic precipitator is vibrated by various forces. They are the external force and the internal forces. The former is due to the shock with hammer-blowing to remove the adhering dust on the discharging electrode, and the latter the action of gas flow or the electrical forces. The spark over which causes by the large vibration of the discharging electrode decreases the collection efficiency of the electrical precipitator, and so it is desirable to prevent the vibratian of the discharging electrode. The vibration of the discharging electrode for the cylindertype electrostatic precipitator (dia. 10.5cm, length 200cm) was tested in atmospheric air. The vibrational characteristics and the brief analysis of the electrical forces which act on the discharging electrode were considered. The experimental results are summarized as follows. 1) The vibrational amplitude increases with rising applied voltage and diminishing tention of the discharging electrode. 2) The vibrational frequency of the discharging electrode corresponds to the calculated natural frequency of it. 3) The vibrational mode varies according to change of the discharging condition. 4) In the analysis of the electrical forces, six kinds of them are considered, but each force is not treated of its quantity.

CdS-Zn_xCd_<1-x>S MQW

band lineup

room-temperature excitonic luminescence

low-pressure MOCVD