Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Numerical Analysis on the Tow Point of Gaori Kite

가오리연의 매듭에 대한 수치해석 연구

  • Received : 2015.11.24
  • Accepted : 2016.02.03
  • Published : 2016.03.01
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Abstract

There is two popular kites, Bangpae and Gaori. While the Bangpae kite is being widely loved by experts, the Gaori kite is popular for kids and beginners. Three types of Gaori kite product have been survayed on the tow point. The aerodynamic force on Gaori kite is numerically calculated by using Fluent. Through flight simulations at the tow point of each kite type, the new tow point, at which the required minimum velocity is lower than those of existing tow points, has been proposed as a standard. The required minimum velocity is the threshold wind velocity at which the kite begins to fly.

대중적인 연에는 방패연과 가오리연 두 종류가 있다. 방패연은 전문가들에게 널리 사랑 받고 있는 반면, 초보자들에게는 가오리연이 더 익숙하다. 가오리연의 세 종류의 제품들에 대하여 목줄의 매듭을 조사하였다. 가오리 연에 작용하는 공기역학적 힘들을 Fluent를 사용하여 수치적으로 계산하였다. 각 종류의 매듭에 대한 비행 시뮬레이션을 수행함으로써, 기존보다 최소요구풍속이 더 낮은 새로운 매듭을 제안하였다. 최소요구풍속은 연이 날기 시작하는 한계 풍속이다.

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References

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