건축도시공간연구소

Architecture & Urban Research Institute

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대한설비공학회|설비공학논문집 2014년 9월

논문명 마이크로 표면주름 형상에 따른 열전달 촉진효과 기초연구 / Fundamental Study on Heat Transfer Enhancement Effect of Microscale Surface Wrinkles
저자명 박희진 ; 박상후식별저자
발행사 대한설비공학회
수록사항 설비공학논문집, Vol.26 No.09 (2014-09)
페이지 시작페이지(447) 총페이지(6)
ISSN 1229-6422
주제분류 환경및설비
주제어 표면주름 ; 열전달 촉진기술 ; 전산유체역학이중구조 ; Surface wrinkles ; Heat transfer enhancement ; CFD ; Hierarchical structure
요약2 We evaluated heat transfer characteristics of microscale wrinkles using a CFD (computational fluid dynamics) analysis. In order to verify the heat transfer effect of wrinkles having various shapes, we introduce wrinkling processes to generate few different shapes of wrinkles such as macroscale (200∼400 μm width), microscale (10∼30 μm width), and hierarchical (microscale on macroscale wrinkle) wrinkles, using repetitive-dividing-volume (RDV) method for single-shape of wrinkles and connected method of UV-weakly polymerization with thermal curing for hierarchical structure of winkles. The analysis results of simplified CFD model showed that heat flux on heated plate was changed by the shape of wrinkles on the plate. The increase in heat flux of about 2.6 times was achieved in the case where hierarchical wrinkle structure was used.
소장처 대한설비공학회
언어 한국어
DOI http://dx.doi.org/10.6110/KJACR.2014.26.9.447