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Structure optimization and thermal-hydraulic analysis of primary heat exchanger of a lead-based reactor

  • School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230027, China

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2014.12.008
  • Received Date: 26 December 2013
  • Accepted Date: 07 March 2014
  • Rev Recd Date: 07 March 2014
  • Publish Date: 30 December 2014
    Abstract

  • Abstract

    The primary heat exchanger is a key heat transfer component for lead-based reactors, which directly affects the economy and security of the reactor. Here, based on the model of heat exchanger of a lead-based natural circulation reactor, the influences of the tube length, outer diameter, wall thickness and tube pitch on the thermal-hydraulic analyses were discussed. JF factor was used to evaluate the comprehensive performance of the heat exchanger, on the basis of which, the best structure parameter A1B2C1D2 was determined by using CR and SN factor. The results show that tube length makes a greatest contribution to comprehensive performance, and the influence of tube pitch is almost negligible.

    Abstract

    The primary heat exchanger is a key heat transfer component for lead-based reactors, which directly affects the economy and security of the reactor. Here, based on the model of heat exchanger of a lead-based natural circulation reactor, the influences of the tube length, outer diameter, wall thickness and tube pitch on the thermal-hydraulic analyses were discussed. JF factor was used to evaluate the comprehensive performance of the heat exchanger, on the basis of which, the best structure parameter A1B2C1D2 was determined by using CR and SN factor. The results show that tube length makes a greatest contribution to comprehensive performance, and the influence of tube pitch is almost negligible.
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    • References(14)
  • [1]
    HeLiMnet. State of development of LFR and ADS technologies and R&D needs [R]. Italy: ENEA, 2012.
    [2]
    MacDonald P E, Buongiorno J. Design of an actinide burning, lead or lead-bismuth cooled reactor that produces low cost electricity[R]. Idaho National Engineering and Environmental Laboratory, 2002: FY-02 Annual Report.
    [3]
    Onea A, Boettcher M, Struwe D. Lead pressure loss in the heat exchanger of the ELSY fast lead-cooled reactor by CFD approach[J]. Nuclear Engineering and Design, 2012, 242(9): 3 470-3 480.
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    Antysheva T. SVBR: New generation power plants for small and medium-sized power applications[C]// Technical Meeting on Innovative Heat Exchanger and Steam Generator Designs for Fast Reactors. Vienna: IAEA, 2011.
    [5]
    Maes D. Mechanical design of the small-scale experimental ADS：MYRRHA [J]. Energy Conversion and Management, 2006, 47(17):2 710-2 723.
    [6]
    Hayafune H. Japan double walled-tube SG for future SFRs in Japan[C]// Technical Meeting on Innovative Heat Exchanger and Steam Generator Designs for Fast Reactors. Vienna: IAEA,2011.
    [7]
    Wu Y C, Bai Y Q, Song Y, et al. Overview of lead-based reactor design and R&D status in China[C]// International Conference on Fast Reactor and Related Fuel Cycles: Safe Technologies and Sustainable Scenarios (FR 13), Paris, France, March 4-7,2013.
    [8]
    Morita K, Maschek W, Flad M. Thermophysical properties of lead-bismuth eutectic alloy in reactor safety analyses[J]. Nuclear Science and Technology，2006，44(5): 526- 536.
    [9]
    居怀明.载热质热物性计算程序及数据手册[M].北京：原子能出版社，1990: 26-30.
    [10]
    AP1700物质物性计算查询平台:水和水蒸气[EB/OL]. [2014-02-10] http://www.ap1700.com/ShowDetail1.htm.
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    Kays W M, LondonA L. Compact Heat Exchangers[M]. New York: McGraw-Hill, 1984.
    [12]
    Guo L，Qin F， Chen J，et al. Influence of geometrical factors and pressing mould wear on thermal-hydraulic characteristics for steel offset strip fins at low Reynolds number[J]. International Journal of Thermal Sciences, 2007, 46:1 285-1 296.
    [13]
    Yun J Y, Lee K S. Influence of design parameters on the heat transfer and flow friction characteristics of the heat exchanger with slit fins[J]. International Journal of Heat and Mass Transfer, 2000, 43(14):2 529-2 539.
    [14]
    史美中，王中铮. 热交换器原理与设计 [M]. 4版.南京：东南大学出版社，2009.
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    [1]
    HeLiMnet. State of development of LFR and ADS technologies and R&D needs [R]. Italy: ENEA, 2012.
    [2]
    MacDonald P E, Buongiorno J. Design of an actinide burning, lead or lead-bismuth cooled reactor that produces low cost electricity[R]. Idaho National Engineering and Environmental Laboratory, 2002: FY-02 Annual Report.
    [3]
    Onea A, Boettcher M, Struwe D. Lead pressure loss in the heat exchanger of the ELSY fast lead-cooled reactor by CFD approach[J]. Nuclear Engineering and Design, 2012, 242(9): 3 470-3 480.
    [4]
    Antysheva T. SVBR: New generation power plants for small and medium-sized power applications[C]// Technical Meeting on Innovative Heat Exchanger and Steam Generator Designs for Fast Reactors. Vienna: IAEA, 2011.
    [5]
    Maes D. Mechanical design of the small-scale experimental ADS：MYRRHA [J]. Energy Conversion and Management, 2006, 47(17):2 710-2 723.
    [6]
    Hayafune H. Japan double walled-tube SG for future SFRs in Japan[C]// Technical Meeting on Innovative Heat Exchanger and Steam Generator Designs for Fast Reactors. Vienna: IAEA,2011.
    [7]
    Wu Y C, Bai Y Q, Song Y, et al. Overview of lead-based reactor design and R&D status in China[C]// International Conference on Fast Reactor and Related Fuel Cycles: Safe Technologies and Sustainable Scenarios (FR 13), Paris, France, March 4-7,2013.
    [8]
    Morita K, Maschek W, Flad M. Thermophysical properties of lead-bismuth eutectic alloy in reactor safety analyses[J]. Nuclear Science and Technology，2006，44(5): 526- 536.
    [9]
    居怀明.载热质热物性计算程序及数据手册[M].北京：原子能出版社，1990: 26-30.
    [10]
    AP1700物质物性计算查询平台:水和水蒸气[EB/OL]. [2014-02-10] http://www.ap1700.com/ShowDetail1.htm.
    [11]
    Kays W M, LondonA L. Compact Heat Exchangers[M]. New York: McGraw-Hill, 1984.
    [12]
    Guo L，Qin F， Chen J，et al. Influence of geometrical factors and pressing mould wear on thermal-hydraulic characteristics for steel offset strip fins at low Reynolds number[J]. International Journal of Thermal Sciences, 2007, 46:1 285-1 296.
    [13]
    Yun J Y, Lee K S. Influence of design parameters on the heat transfer and flow friction characteristics of the heat exchanger with slit fins[J]. International Journal of Heat and Mass Transfer, 2000, 43(14):2 529-2 539.
    [14]
    史美中，王中铮. 热交换器原理与设计 [M]. 4版.南京：东南大学出版社，2009.
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