http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
직교류형 열교환기에 대한 엘리멘트를 이용한 열정산 방법에 관한 연구
정형호,신흥태,김광호,이춘식,Jung, H.H.,Shin, H.T.,Kim, K.H.,Lee, C.S. 대한설비공학회 1991 설비공학 논문집 Vol.3 No.2
A thermal analysis method taking into account energy balance in each elements of heat exchanger was introduced. This method has a merit in predicting the temperature field over the heat exchanger in detail. To verify this method, the results were compared with the published ones. The thermal analysis of the radiator in vehicles was also conducted and the results were compared with experimental ones. It is concluded that this method can be used in thermal analysis with relatively small error. When the velocity profile of inlet air is not uniform, the outlet temperature of cooling water is higher than that of uniform velocity profile.
옵셋 스트립을 가로질러 흐르는 오일의 열전달 특성에 관한 연구
강덕종(Kang D. J),정형호(Jung H. H) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.9
In the present study, heat transfer characteristics of oil flow over offset strip fins were predicted by the numerical methods. Oil flow in the plate-fin passage was idealized by 2 dimensions. The flow patterns and heat transfer characteristics were predicted in details. Numerical results shows that the average convective heat transfer coefficients are almost independent on the raws of fins and affected by fin pitches. At the rear face of fin, there exists minimum point of heat transfer coefficients where stream are separated from the if surfaces. The convective heat transfer coefficients were effected by separation bubbles which appeared at the wake region of offset strip fins.