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

  • 제47권11호
  • /
  • Pages.803-811
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  • 2019
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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발사체 공학교육을 위한 물로켓, Part II: 발달사, 제작사례 및 경연대회

Water Rockets for Rocket Engineering Education, Part II: Development History, Creation Examples and Competitions

  • Kim, Jae-Yeul (Department of Aerospace Engineering, Pusan National University) ;
  • Hwang, Won-Sub (Department of Aerospace Engineering, Pusan National University) ;
  • Jung, Seung-Min (Department of Aerospace Engineering, Pusan National University) ;
  • Choi, Jeong-Yeol (Department of Aerospace Engineering, Pusan National University)
  • 투고 : 2019.06.17
  • 심사 : 2019.10.16
  • 발행 : 2019.11.01
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초록

물로켓은 가압된 기체와 액체(물)를 추진제로 이용하는 비화학식 로켓이다. 물로켓은 우주발사체로 사용되는 액체 추진제 로켓과 많은 공학적 공통점을 가지므로 로켓 공학 모델로써의 교구로 활용할 가치가 충분하다. 이를 위하여 본 논문에서는 물로켓의 발달사를 간략히 살펴보고 청소년용 물로켓, 상용 물로켓, 동호인들의 물로켓을 살펴봄으로써, 공학 교구로써 물로켓의 활용 가능성을 살펴보았다. 마지막으로 현행 물로켓 경연대회들의 한계를 살펴봄으로써, 물로켓에 대한 인식의 변화를 유도할 경연 방식의 개선방향을 제시한다.

Water rocket is a non-chemical rocket mechanically powered by pressurized gas and liquid (water) propellants. Since water rockets share many engineering commonalities with liquid propellant rockets for space launch vehicles, it is as a education tool for rocket engineering. Present paper investigated the availability of water rocket as an engineering education model by surveying the history of water rocket and making examples from K-12 education, commercial products and club activities. Finally, a way of improvement is suggested for water rocket competitions make changes in the perception on water rockets by examining the limitations of present competitions.

키워드

참고문헌

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