Design analysis of DRAGON-IV LiPb loop

Zhu, Zhiqiang; Huang, Qunying; Gao, Sheng; Song, Yong; Li, Chunjing; Peng, Lei; Chen, Hongli; Liu, Songlin; Ling, Xinzhen; Chen, Yaping; Chen, Yunlong; Wu, Yican

doi:10.1016/j.fusengdes.2011.03.083

Cited by 9 publications

(6 citation statements)

References 13 publications

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“…Reynolds number and prandtl number of LiPb and heat conduction oil are obtained through Equations (2) and (3). LiPb's nussel number is obtained according to Equation 4, and the nussel number of heat conduction oil is calculated according to Equation (5). Where Re is Reynolds number, ρ is density, ν is velocity, μ is kinetic viscosity, Pr is prandtl number, λ is thermal conductivity coefficient, Nu is nussel number.…”

Section: Calculation Of Nussel Numbermentioning

confidence: 99%

“…As a key component to realizing energy conversion in fusion reactors, liquid LiPb cladding is one of the most promising cladding, which is highly valued by various countries in the world [2][3][4]. Before the commercial application of fusion energy can be realized, a series of key technical problems of liquid LiPb cladding must be solved, and the liquid LiPb experimental loop is the necessary experimental platform for studying these key technical problems [5,6]. The FDS team of Chinese Academy of Sciences has continuously carried out the design, construction and experimental research of DRAGON series lithium lead experimental loop for many years, which has carried out a good foundation for the research of liquid lithium lead cladding in China [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Numerical Simulation of Heat Transfer Characteristics between Liquid Lithium Lead and Oil

et al. 2019

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The liquid LiPb experimental loop is an essential device for studying the compatibility of LiPb with structural materials of the fusion reactor. The heat exchanger is one of the most important devices of the LiPb loop, which is used to control the temperature distribution and study the LiPb flow characteristics in the working condition of the LiPb loop. Based on the heat transfer theory, the liquid LiPb experimental loop cooler is designed at first, which is a tube-type countercurrent heat exchanger with YD-300 heat-conducting oil as the coolant. Numerical simulation analysis was carried out to verify the feasibility of the design scheme under the design condition and the normal operation by using the FLUENT software. The results show that the theoretical design parameters are in good agreement with the numerical simulation results and the average concentration deviation is less than 2%. Furthermore, the average volume temperature and film temperature of heat conducting oil under different working conditions are lower than 310℃ and 375℃ respectively, which indicates that the cooling effect of the LiPb fluid can be realized and the design scheme of the cooler is reasonable.

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Section: Calculation Of Nussel Numbermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Heat Transfer Characteristics between Liquid Lithium Lead and Oil

et al. 2019

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“…Especially, the most ambitious fusion device, International Thermonuclear Experimental Reactor (ITER), is currently underway . The blanket is one of the most important components for energy transformation and extraction in fusion reactor, and liquid lead lithium (PbLi) blanket is proposed as one of the most promising blanket designs . Many key issues such as materials and thermal hydraulics should be tested in PbLi loops before the ultimate application in reactors .…”

Section: Introductionmentioning

confidence: 99%

Analysis on stress and deformation of large-scale concentric recuperator for high-temperature PbLi loop

2018

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A lead lithium (PbLi) loop named as DRAGON-V was constructed in China to test key technologies of material corrosion, thermal-hydraulics, safety issues, etc for PbLi blanket of fusion reactor. The concentric recuperator, one of the most important components, was used to recover the enthalpy in the loop. To design the concentric recuperator structure, the tangent angle θ between straight pipe and elbow as well as the bending radius R for U-type connecting elbow were analyzed, respectively. It was indicated that the elbow presented well thermal deformation-absorbing function and reduced the thermal stress.There was a little effect on the deformation and heat transfer for the variation of R and θ, but the stress intensity increased with bending radius R and decreased with tangent angle θ. The results showed that the stress intensity in the structure with θ = 5°and R = 1.5D was smaller than the others. And the optimized structure was evaluated according to standard of Steel Pressure Vessel-Design by Analysis, the structural strength met the design requirement, and large margin was kept for engineering application.

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“…Fusion reactor liquid lithium lead blanket, because of its inherent characteristics and advantages, is widely recognized internationally as one of the fusion power cladding designs with most promising future [8][9][10][11][12][13][14][15][16][17]. Lead-based ( lead, lead-bismuth, etc.)…”

Section: Introductionmentioning

confidence: 99%

Performance test of electromagnetic pump on heavy liquid metal in PREKY-I facility

Zhu

et al. 2016

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract:Pump is a key sub-system which drives the heavy liquid metal circulation in experimental loops. In the paper, the hydraulic and mechanical performances of an electromagnetic pump (EMP) were tested in the liquid metal test facility named PREKY-I. The test results showed that the EMP worked at good state when the working current was up to 170 ampere. In this condition, the flow rate was 5m³ /h, and pressure head 7.5bar, when the outlet temperature was kept at 380℃ during the test. The performance was close to the expected design parameters. The EMP had run continuously for 200 hours with stable performance. From the test results, the EMP could be used in KYLIN-II loop, which is the upgrade liquid metal test loop of PREKY-I.

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Design analysis of DRAGON-IV LiPb loop

Cited by 9 publications

References 13 publications

Numerical Simulation of Heat Transfer Characteristics between Liquid Lithium Lead and Oil

Numerical Simulation of Heat Transfer Characteristics between Liquid Lithium Lead and Oil

Analysis on stress and deformation of large-scale concentric recuperator for high-temperature PbLi loop

Performance test of electromagnetic pump on heavy liquid metal in PREKY-I facility

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