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A variety of Generation III/III+ water-cooled reactor designs featuring enhanced safety and improved economics are being proposed by nuclear power industries around the world in efforts to solve the future energy supply shortfall. Thermal-hydraulics is recognized as a key scientific subject in the development of innovative reactor systems. Applications are being advanced with the introduction of new technologies such as nanotechnology. Nanofluids are potential heat transfer fluids with enhanced thermophysical properties and heat transfer performance can be applied in many devices for better performances. Recent researches have indicated that substitution of conventional coolants by nanofluids appears promising. Specific application of nanofluids in engine cooling, solar water heating, cooling of electronics, cooling of transformer oil, improving diesel generator efficiency, cooling of heat exchanging devices, improving heat transfer efficiency of chillers, domestic refrigerator-freezers, cooling in machining, in nuclear reactor and defense and space have been applied.

The development of viable nanofluids for use in water-cooled nuclear systems could result in a significant improvement of their economic performance and/or safety margins. Especially, it was determined that the system has a reasonably low failure probability, and that, once injected, the nanofluid would be delivered effectively to the reactor vessel surface within seconds. It was also shown analytically that the increase in decay power removal through the vessel using a nanofluid is about 40%, which could be exploited to provide higher in-vessel retention (IVR) safety margin or, for a given margin, to enable IVR at higher core power.

 

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Fig. 3-1 Growth of publications by the nanofluids community

 

 

 

 

 

 

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Fig. 3-2 Comparison of the thermal conductivity of common liquids, polymers, and solids

 

 

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Fig. 3-3 Required heat removal capacity

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January 4th, 2024

2023 Conferences

Conference Ji Yong Kim, Seung Chang Yoo, Joo Hyung Seo, Ji Hyun Kim, In Cheol Bang, Design and Construction of Fluid-to-Fluid […]

January 4th, 2024

2023 Journals

Journals Ik Jae Jin, Do Yeong Lim, In Cheol Bang, Deep-learning-based system-scale diagnosis of a nuclear power plant with multiple infrared […]

June 5th, 2023

2022 Conferences

Conference Do Yeong Lim, Ik Jae Jin, In Cheol Bang, Convolutional Neural Network-based Boiling Regime Determination Using Acoustic Emission Signal […]

June 5th, 2023

2022 Journals

Journals Min Ho Lee, Ji-Hwan Hwang, Ki Hyun Choi, Dong Wook Jerng, In Cheol Bang*, Application of two different similarity laws […]

April 7th, 2022

2021 Conferences

Conference Ji Yong Kim, In Cheol Bang, Preliminary study on the boiling heat transfer performance of R-123 refrigerant with nano-porous aluminium […]

April 7th, 2022

2021 Journals

Journals Seok Bin Seo, In Cheol Bang*, Hisashi Ninokata, Antonio Cammi, Application of adjoint-based sensitivity analysis to natural circulation of […]

January 5th, 2020

2020 Conferences

Conference Do Yeong Lim, In Cheol Bang, Artificial Intelligence-based Phase-Change Regime Classification of Acoustic Emission Detection in Pool Boiling, Transactions of […]

January 5th, 2020

2020 Journals

Journals Yeong Shin Jeong, Ji Yong Kim, In Cheol Bang*, Enhanced Heat Transfer and Reduced Pressure Loss with U-pattern of […]

July 9th, 2019

2019 Conferences

Conference Kyung Mo Kim, Nam Ki Lee, In Cheol Bang, Activities of Haeorum Alliance Nuclear Innovation Center for Improved Public Acceptance […]

February 20th, 2019

2018 Conferences

Conference Han Eol Park, Seok Bin Seo, In Cheol Bang, Nu-HOPE: The Experimental Platform for Heat Transfer Characteristics of Molten […]