부속구를 부착한 슬롯 만곡형전개판의 성능에 관한 모형실험
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 1994.05
- 7페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국수산해양기술학회(구 한국어업기술학회)
ㆍ수록지정보 : 수산해양기술연구 / 30권 / 2호
ㆍ저자명 : 권병국, 고관서
영어 초록
A serious of study is carried out to practical use of the three-slot cambered otter board improved by the authors. As the first step, we designed main plates, slots and accessories, such as holding plate, fan-shaped towing plate, normans, center ring, etc. Standing on this design, we made the simple cambered and three-slot cambered model otter board with accessories in a linear scale 6:1. and carried out model test to examine the efficiency of these boards. The obtained results can be summarized as follows: 1. On the simple cambered board with accessories, the values of the maximum shear coefficient(C LX ). drag coefficient((C D) and hydrodynamic efficiency(C L/C D ) are 1.39, 0.56, 2.48 at 22˚ of the angle of stall respectively. 2. On the three-slot cambered board with accessories, C LX/C D and C I/C D are 1.67, 0.92, 1.82 at 32˚ of the angle of stall respectively. 3.C LX of board with accessories is smaller 10~12% than that of only the main plate, and the angle of stall is almost same. 4. C LX and the angle of stall of the three-slot cambered board with accessories are greater 20% and 〈TEX〉10˚〈TEX〉 than that of the simple cambered board respectively.
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