http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
강신형,박태춘,조남효,Kang, Shin-Hyoung,Park, Tae-Choon,Cho, Nam-Hyo 한국유체기계학회 1998 한국유체기계학회 논문집 Vol.1 No.1
Aerodynamic performance of a cooling fan of driving motor was enhanced modifying the vane-shroud configuration. Performance of a target model was evaluated to obtain baseline data. The aerodynamic performance and sound pressure level were tested and measured with different numbers of vane of increased length. The tested models show high and stable performance and low values of specific noise level. The long vane-shroud structure induces more stable through flow and decreases the tip leakage flow, which contributes to the increases of performance and efficiency. The sound pressure level increases for the modified model, however, specific noise level decreases.
임펠러 흡입구 간극이 원심형 에어포일 송풍기의 성능에 미치는 영향
강신형,김영재,Kang, Shin-Hyoung,Kim, Young-Jae 대한기계학회 1999 大韓機械學會論文集B Vol.23 No.8
Performance tests of an airfoil fan and measurement of flow fields at the impeller exit are carried out to investigate the effects of the tip clearance between the rotor and inlet casing on the impeller performance. The impeller is twelve bladed of NACA 65-810 airfoils and tested with 3 different size of gap; 1, 2, 4mm. The relative decrease of pressure rising performance of the fan is 15 percent for the design flow rate when the gap size is 1 percent of the impeller diameter. The reduction of performance becomes large as the flow rate increases. The leakage flow through the clearance affects the through flow of the impeller, which results in decrease of the slip factor as well as the impeller efficiency. The data base obtained in the present study can be used for the design and flow analysis of the airfoil fans.
강신형,김진권,홍순삼,Kang, Shin-Hyoung,Kim, Jin-Kwon,Hong, Soon-Sam,Yates, Alex 한국유체기계학회 2000 한국유체기계학회 논문집 Vol.3 No.3
Thermodynamic method of pump performance measurement calculates pump efficiency and flowrate by measuring fluid temperature increase and pressure rise through the pump. The theory of this method is investigated and precise comparison experiment with classical hydraulic method was conducted to verify the accuracy. Classical hydraulic pump performance measurement results and Yatesmeter results based on the thermodynamic method showed good agreement in measured performance.
초소형 원심압축기의 날개 두께 변화에 따른 성능에 관한 실험적 연구
강신형,조운제,윤하용,이승갑,Kang, Shin-Hyoung,Cho, Woon-Je,Yun, Ha-Yong,Lee, Seung-Kap 한국유체기계학회 1999 한국유체기계학회 논문집 Vol.2 No.1
Some sized centrifugal compressors were designed and their performance measured to investigate the effects of exit blade thickness, width and back swept angle. The impeller of larger blade thickness shows low pressure ratio compared with that of smaller ones. Backswept angle also have a large effect on the efficiency. Measured values of slip factor are quite different from the estimated values of the Wiesner-Busemann model and an increase in the flow late.
NACA 65-810 반경류 에어포일 임펠러의 성능특성
강신형,호생리,Kang, Shin-Hyoung,Hu, Shengli 한국유체기계학회 1998 한국유체기계학회 논문집 Vol.1 No.1
Aerodynamic performance tests and flow measurement were carried out for several radial impellers of NACA 65-810 airfoil. The data base obtained are to be used for verifying the methods of flow analysis and CFD codes. The effects of numbers and span of blades on the performances, efficiency and impeller exit flow are investigated in the present study. The flow rate on the performance curve is proportional to the span of the blade for the same value of fan pressure rise. The magnitude of radial velocity component at the impeller exit gradually decreases from the hub to shroud side. The magnitude of tangential velocity component gradually increases from the hub to shroud side. The way of variations of velocity is the same at the diffuser exit, however, becomes more uniform. The pressure rise performance increases with blade number at the small flow coefficients, however, decreases with the number of blade at the large flow coefficients. This shows that flow guidance in important at the low flow rate and the friction becomes significant at the high flow rate.
강신형,배순훈,Kang Shin-Hyoung,Bae Soonhoon 대한설비공학회 1975 설비저널 Vol.4 No.2
The constriction thermal resistance due to the floor supports in the Ondol floor heating system was investigated. The resistance has significant influence on the uniformity of floor surface temperature and heat flux through the floor. The heat flux decreased as much as $30\%$ for the geometry of the same channel and support areas.
초소형 원심압축기의 날개 두께 변화에 따른 성능에 관한 실험적 연구
강신형(Shin-Hyoung Kang),조운제(Woon-Je Cho),윤하용(Hayong Yun),이승갑(SeungKap Lee) 한국유체기계학회 1998 유체기계 연구개발 발표회 논문집 Vol.- No.-
Some sized centrifugal compressor were designed and their performance measured to investigate the effects of exit blade thickness, width and back swept angle. The impeller of larger blade thickness shows low pressure ratio compared with that of smaller one. Backswept angle have also large effect on the efficiency. Measured values of slip factor are quite different from the estimated values of Wiesner-Busemann model and increase with the flow rate.