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이중구조팬의 Conic Winglet 최적설계Optimal Design for a Conic Winglet of a Dual Type Combined Fan

Other Titles
Optimal Design for a Conic Winglet of a Dual Type Combined Fan
Authors
Kim, Jin-WookKim, Woo-TeakRyu, Min-HyoungCho, Lee-SangCho, Jin-Soo
Issue Date
Jun-2016
Publisher
한국항공우주학회
Keywords
Conic Winglet; Kriging; Optimal Latin-Hypercube Design(OLHD); Evolution Algorithm; Tip Leakage Flow; Total Pressure Loss Coefficient; Computational Fluid Dynamics; 진화 알고리즘; 날개 끝 누설 와류; 전압력손실계수; 전산유체역학
Citation
한국항공우주학회지, v.44, no.6, pp 468 - 476
Pages
9
Indexed
KCI
Journal Title
한국항공우주학회지
Volume
44
Number
6
Start Page
468
End Page
476
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/22998
DOI
10.5139/JKSAS.2016.44.6.468
ISSN
1225-1348
2287-6871
Abstract
본 연구에서는 이중구조를 갖는 팬의 날개 끝에서 발생하는 손실을 저감시키기 위하여 바깥 날개 끝 익형단면을 세 축으로 회전시키는 Conic winglet을 적용하였다. 손실을 계산하기 위하여 CFD 전산해석을 수행하였으며, 최소의 손실을 얻기 위하여 최적화를 수행하였다. 최적화 결과 Conic winglet은 바깥 날개 끝의 후단 부근에서 압력면 쪽으로 휘어진 형상을 보였으며 이 형상은 날개 끝에서 발생하는 전압력 손실을 3.24% 저감시켰다.
In this study, the conic winglet which is made by rotating wing tip airfoil by each 3 axis is applied to the dual type combined fan to reduce the wing tip leakage loss. Computational Fluid Dynamics is used to calculate the loss and optimum technique is used to get minimum loss. Optimization results shows that total pressure loss coefficient was reduced by 3.4 %, and optimization model was a bended shape at the end of wing forward to pressure side.
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서울 공과대학 > 서울 기계공학부 > 1. Journal Articles

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