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

  • 제59권3호
  • /
  • Pages.604-608
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  • 2010
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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방전 침전극의 곡률반경이 이온풍 발생에 미치는 영향

Effect of Radius of Curvature of a Corona Needle on Ionic Wind Generation

  • 황덕현 (경북대 대학원 전자전기컴퓨터학부) ;
  • 문재덕 (경북대 전자전기컴퓨터학부)
  • 발행 : 2010.03.01
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초록

An electric fan for cooling high density electronic devices is limited and operated in very low efficiency. The corona discharge is utilized as the driving mechanism for an ionic gas pump, which allows for air flow control and generation with low noise and no moving parts. These ideal characteristics of ionic pump give rise to variety applications. However, all of these applications would benefit from maximizing the flow velocities and yields of the ionic pump. In this study, a needle-mesh type ionic pump has been investigated by focusing on the radius of curvature of corona needle points elevating the ionic wind velocity and efficiency. It is found that the radius of curvature of the corona discharge needle point influences significantly to produce the ionic wind and efficiency. As a result, an elevated ionic wind velocity and increased ionic wind generation yield can be obtained by optimized the radius of curvature of the corona needle electrode.

키워드

참고문헌

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