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자료유형
학술저널
저자정보
저널정보
대한기계학회 대한기계학회 논문집 B권 대한기계학회논문집 B권 제26권 제9호
발행연도
2002.9
수록면
1,260 - 1,266 (7page)

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In this study. to make an exccllent heat pipe. the manufacturing technology of a sintered wick was investigated. Making a sintered wick is known to be very diflicult but it has many advantages. For cxample. the porosity and pore size can be controlled and the capillary force is great. The mixture of copper and pore
former powder was used as a wick material and ceramic -coated stainless steel was used as a mandrel which is
necessary for vapor flow. To analyze the feature of the manufactured wick. not only porosity and pore size were measured but also the sintered structure was observed. A heat pipe with sintercd wick was manufactured and the performance test of the heat pipe was performed in order to review cooling performance. The performance test results for the 4mm diameter heat pipe with the sintered wick shows the stability since the
temperature difTerence between a evaporator and a condenser of the heat pipe is less than 4.4 "C. and thermal resistance is less than 0.7캜/W. In the meantime. the composite wick that is composed with sintered and woven wire was also examined. The heat transfer limit of the heat pipe with composite wick was enhanced about 51 % - 60% compare to the one with sintered wick.

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Abstract

1.서론

2.윅의 제작

3.윅의 특징

4.히트파이프 성능시험

5.결론

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