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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 534 - 545 (12page)
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초록· 키워드
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In the very high temperature reactor (VHTR), which is a next generation nuclear reactorsystem, ceramics are used as a fuel coating material and graphite is used as a core structuralmaterial. Even if a depressurization accident occurs and the reactor power goes up instantly,the temperature of the core will change only slowly. This is because the thermal capacity ofthe core is so high. Therefore, the VHTR system can passively remove the decay heat of thecore by natural convection and radiation from the surface of the reactor pressure vessel. Theobjectives of this study are to investigate the heat transfer characteristics of natural convectionof a one-side heated vertical channel with inserted porous materials of high porosityand also to develop the passive cooling system for the VHTR. An experiment was carried outusing a one-side heated vertical rectangular channel. To obtain the heat transfer and fluidflow characteristics of the vertical channel with inserted porous material, we have alsocarried out a numerical analysis using a commercial Computational Fluid Dynamics (CFD)code. This paper describes the thermal performances of the one-side heated vertical rectangularchannel with an inserted copper wire of high porosity.
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참고문헌 (9)
참고문헌 신청
A. Honma / 2009 / / Proc. of the 17th International Conference on Nuclear Engineering
A.R. Martin / 1998 / Heat transfer enhancement with porous inserts in recirculating flows / ASME J. Heat Transfer 120 : 458 ~ 467
J. Yamada / 1997 / / Trans. JSME 63 : 4036 ~ 4042
K. Kamiuto / 1978 / Simultaneous convective and radiative heat transfer in a packed bed with high porosity: 2nd report, analysis taking account of two-dimensional propagation
R. Echigo / 1974 / Simultaneous radiative and convective heat transfer in a packed bed with highporosity / Trans. JSME 40 (330) : 479 ~ 487
A.R. Martin / 1998 / Heat transfer enhancement with porous inserts in recirculating flows / ASME J. Heat Transfer 120 : 458 ~ 467
J. Yamada / 1997 / / Trans. JSME 63 : 4036 ~ 4042
K. Kamiuto / 1978 / Simultaneous convective and radiative heat transfer in a packed bed with high porosity: 2nd report, analysis taking account of two-dimensional propagation
R. Echigo / 1974 / Simultaneous radiative and convective heat transfer in a packed bed with highporosity / Trans. JSME 40 (330) : 479 ~ 487
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