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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.4
- 발행연도
- 2005.4
- 수록면
- 1,036 - 1,043 (8page)
이용수
초록· 키워드
오류제보하기
Concentric annular heat pipes (CAHP) were fabricated and tested to investigate their thermal characteristics. The CAHPs were 25.4㎜ in outer diameter and 200㎜ in length. The inner surface of the heat pipes was covered with screen mesh wicks and they were connected by four bridge wicks to provide liquid return path. Three different heat pipes were fabricated to observe the effect of change in diameter ratios between 2.31 and 4.23 while using the same outer tube dimensions. The major concern of this study was the transient response as well as isothermal characteristics of the heat pipe outer surface, considering the application as uniform heating device. A better performance was achieved as the diameter ratio increased. For the thermal load of 180 W, the maximum temperature difference on the outer surface in the axial direction of CAHP was 2.3℃ while that of the copper block of the same outer dimension was 5.9℃. The minimum thermal resistance of the CAHP was measured to be 0.04℃/W. In regard to the transient response during start-up, the heat pipe showed almost no time lag to the heat source, while the copper block of the same outer dimensions exhibited about 25 min time lag.
목차
Abstract
Nomenclature
1. Introduction
2. Experimental Setup and Procedures
3. Results and Discussion
4. Conclusions
References
참고문헌 (5)
참고문헌 신청
Faghri. A. and Thomas, S., 1989, "Performance Characteristics of a Concentric Annular Heat Pipe: Part I-Experimental Prediction and Analysis of the Capillary Limit," Journal of Heat Transfer, Vol. 111, No.4, pp.844~850.
Kim, K. S., Kim H. B. and Lee, K. W., 2003, "Development of Heat Pipe Heating Roller in Laser Printer," Proceedings of The 7th International Heat Pipe Symposium, Jeju. Korea, pp.65~69.
Kim, D. H., Park, S. Y. and Boo, J. H., 2004, "A Study on the Thermal Performance of Concentric Annular Heat Pipes," Proceedings of the KSME Spring Annual Meeting in Korea, pp.1412~1417.
Peterson, G. P., 1994, An Introduction to Heat Pipes: Modeling, Testing, and Applications, John Wiley & Sons, Inc., pp.1~7.
Vasiliev, L. L., 1973, "Heat and Mass Transfer in Low Temperature Heat Pipes," Proceedings of The 1st International Heat Pipe Conference, Stuttgart, Germany, 3-1.
Kim, K. S., Kim H. B. and Lee, K. W., 2003, "Development of Heat Pipe Heating Roller in Laser Printer," Proceedings of The 7th International Heat Pipe Symposium, Jeju. Korea, pp.65~69.
Kim, D. H., Park, S. Y. and Boo, J. H., 2004, "A Study on the Thermal Performance of Concentric Annular Heat Pipes," Proceedings of the KSME Spring Annual Meeting in Korea, pp.1412~1417.
Peterson, G. P., 1994, An Introduction to Heat Pipes: Modeling, Testing, and Applications, John Wiley & Sons, Inc., pp.1~7.
Vasiliev, L. L., 1973, "Heat and Mass Transfer in Low Temperature Heat Pipes," Proceedings of The 1st International Heat Pipe Conference, Stuttgart, Germany, 3-1.
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