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CHOI Kwang-Seok,MOGAMI Tomofumi,SUZUKI Teruo The Korean Institute of Electrical Engineers 2005 KIEE International Transactions on Electrophysics Vol.5C No.6
The effects of the pressure and temperature of airflow were experimentally investigated to improve the performance of a nozzle-type electrostatic eliminator. The pressure ($A_P$) and the temperature ($A_T$) of the airflow toward the needle electrode were controlled in the ranges of 0 Mpa to 0.3 Mpa and of $25^{\circ}C$ to $125^{\circ}C$, respectively. It was confirmed that the ion-generation ability was increased depending on the magnitude of the $A_P$ and the $A_T$ of the airflow provided to the surrounding region of the needle electrode in the nozzle-type electrostatic eliminator. In addition, it was clear that the mixed effect of the $A_P$ and the $A_T$ of the airflow was large. These results were attributed mainly to (1) the activation of the corona discharge by the $A_T$, (2) the change of the decomposition and production of a suppression gas by the $A_T$, (3) the blow-off of the suppression gas near the needle electrode by the $A_P$, and (4) the change of the distribution of the current densities on the needle electrode by the $A_P$.