간극이 있는 복합 덕트에서 국부 누셀트수와 온도분포 측정
(주)코리아스칼라
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- 2016.04.01
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- 2013.02
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서지정보
ㆍ발행기관 : 한국기계기술학회
ㆍ수록지정보 : 한국기계기술학회지 / 15권 / 1호
ㆍ저자명 : 변재기, 최영돈, 곽동걸, 신종근
목차
Abstract
1. 서론
2. 실험장치 및 방법
2.1 복합덕트 형상 및 실험장치
2.2 실험방법
3. 실험결과 및 고찰
4. 결론
참고문헌
영어 초록
Local Nusselt number and temperature field distribution within the compound duct with gap have been measured. Measurement of air and wall temperature span a range of gap width from 2mm to 6mm. Also, the Reynolds number is variated from 20,000 to 40,0000. In order to observe the correlations between gap width and turbulent heat transfer, the present measurement has tried to verify the enhancement effect of heat transfer when a gap exists within the compound channel. From this measurement, we could see that the pulsating flow has generated a strong turbulent flow mixing within the compound channel. And the turbulent flow mixing in the pulsating flow plays an effective role of enhancing the Nusselt number by making the fluid temperature uniformly within the compound channel.
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