전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제59권12호
  • /
  • Pages.2256-2261
  • /
  • 2010
  • /
  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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관형 코로나 방전전극을 이용한 이온풍속의 최대화

An Maximization of Ionic Wind Utilizing a Cylindrical Corona Electrode

  • 정재승 (경북대 대학원 전자전기컴퓨터학부) ;
  • 문재덕 (경북대 전자전기컴퓨터학부)
  • 투고 : 2010.09.07
  • 심사 : 2010.11.29
  • 발행 : 2010.12.01
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초록

A corona discharge system with needle point or wire type corona electrode has been well used as an ionic wind blower. The corona discharge system with a needle point electrode produces ions at lower applied voltage effectively. However, the corona discharge on the needle point electrode transits to the arc discharge at lower voltage, and it is hard to obtain the elevated electric field in the discharge airgap for enhancing the ion migration velocity due to the weak Coulomb force. A cylindrical corona electrode with sharp round tip is reported as one of effective corona electrode, because of its higher breakdown voltage than that of the needle electrode. A basic study, for the effectiveness of cylindrical electrode shape on the ionic wind generation, has been investigated to obtain an maximum wind velocity, which however is the final goal for the real field application of this kind ionic wind blower. In this paper, a parametric study for maximizing the ionic wind velocity utilizing the cylindrical corona electrode and a maximum ion wind velocity of 4.1 m/s were obtained, which is about 1.8 times higher than that of 2.3m/s obtained with the needle corona electrode from the velocity profile.

키워드

참고문헌

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