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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 814 - 826 (13page)
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The most important advantage of nanoparticles is the increased thermal conductivitycoefficient and convection heat transfer coefficient so that, as a result of using a 1.5%volume concentration of nanoparticles, the thermal conductivity coefficient would increaseby about twice. In this paper, the effects of a nanofluid (TiO2/water) on heat transfercharacteristics such as the thermal conductivity coefficient, heat transfer coefficient, fuelclad, and fuel center temperatures in a VVER-1000 nuclear reactor are investigated. To thisend, the cell equivalent of a fuel rod and its surrounding coolant fluid were obtained in thehexagonal fuel assembly of a VVER-1000 reactor. Then, a fuel rod was simulated in the hotchannel using Computational Fluid Dynamics (CFD) simulation codes and thermohydrauliccalculations (maximum fuel temperature, fluid outlet, Minimum Departure from NucleateBoiling Ratio (MDNBR), etc.) were performed and compared with a VVER-1000 reactorwithout nanoparticles. One of the most important results of the analysis was that heattransfer and the thermal conductivity coefficient increased, and usage of the nanofluidreduced MDNBR.
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참고문헌 (17)
참고문헌 신청
A.A. Abbasian Arani / 2012 / Experimental study on the effect of TiO2ewater nanofluid on heat transfer and pressure drop / Exp. Therm. Fluid Sci 42 : 107 ~ 115
A.A. Abbasian Arani / 2013 / Experimental investigation of diameter effect on heat transfer performance and pressure drop of TiO2ewater nanofluid / Exp. Therm. Fluid Sci 44 :
A.R. Sajadi / 2011 / Investigation of turbulent convective heat transfer and pressure drop of TiO2/water nano fluid in circular tube / Int. Commun. Heat Mass Transf 38 : 1474
C. H. Chon / 2005 / Empirical correlation finding the role of temperature and particle size for nanofluid Al2O3 thermal conductivity enhancement / Appl. Phys. Lett 87 : 1531
D. Ciloglu / 2011 / The quenching behavior of aqueous nanofluids around rods with high temperature / Nucl. Eng. Des 241 : 2519 ~ 2527
A.A. Abbasian Arani / 2013 / Experimental investigation of diameter effect on heat transfer performance and pressure drop of TiO2ewater nanofluid / Exp. Therm. Fluid Sci 44 :
A.R. Sajadi / 2011 / Investigation of turbulent convective heat transfer and pressure drop of TiO2/water nano fluid in circular tube / Int. Commun. Heat Mass Transf 38 : 1474
C. H. Chon / 2005 / Empirical correlation finding the role of temperature and particle size for nanofluid Al2O3 thermal conductivity enhancement / Appl. Phys. Lett 87 : 1531
D. Ciloglu / 2011 / The quenching behavior of aqueous nanofluids around rods with high temperature / Nucl. Eng. Des 241 : 2519 ~ 2527
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