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Comparative Research on Ventilation Characteristics of Scattering and Sample Room from Chinese Spallation Neutron Source

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  • Shengqiang Wei

    (Department of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, China
    Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Yiping Lu

    (Department of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, China)

  • Wei Yang

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Yubin Ke

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Haibiao Zheng

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Lingbo Zhu

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Jianfei Tong

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China
    School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)

  • Longwei Mei

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Shinian Fu

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

  • Congju Yao

    (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
    China Spallation Neutron Source Science Center, Dongguan 523803, China)

Abstract

Ventilation design of the scattering room and sample room in the Chinese Spallation Neutron Source (CSNS) is of great significance to maintain good indoor air quality and ensure the health of radiation workers. Based on the computational fluid dynamics (CFD) theory, the three-dimensional models of the scattering and sample rooms were established and fourteen layout schemes were simulated. Subsequently, the best schemes were selected among three typical layout schemes. On this basis, the paper presents research about the influence of changing the height of the outlet on the ventilation quality. The results show that the trend of numerical simulation is consistent with experimental data, which verifies the reliability of the numerical method. The change of the exhaust port position has an apparent influence on indoor ventilation, which reduces the air age by 4–27%. When the position of the outlet descends 0.5 m, the air age decreases by 2–11%, and this study provides guidance and suggestions for the design of the scattering and sample rooms.

Suggested Citation

  • Shengqiang Wei & Yiping Lu & Wei Yang & Yubin Ke & Haibiao Zheng & Lingbo Zhu & Jianfei Tong & Longwei Mei & Shinian Fu & Congju Yao, 2022. "Comparative Research on Ventilation Characteristics of Scattering and Sample Room from Chinese Spallation Neutron Source," Energies, MDPI, vol. 15(11), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:4001-:d:827156
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    References listed on IDEAS

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    1. Lina Seduikyte & Laura Stasiulienė & Tadas Prasauskas & Dainius Martuzevičius & Jurgita Černeckienė & Tadas Ždankus & Mantas Dobravalskis & Paris Fokaides, 2019. "Field Measurements and Numerical Simulation for the Definition of the Thermal Stratification and Ventilation Performance in a Mechanically Ventilated Sports Hall," Energies, MDPI, vol. 12(12), pages 1-14, June.
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    4. Noor Muhammad Abd Rahman & Lim Chin Haw & Ahmad Fazlizan, 2021. "A Literature Review of Naturally Ventilated Public Hospital Wards in Tropical Climate Countries for Thermal Comfort and Energy Saving Improvements," Energies, MDPI, vol. 14(2), pages 1-22, January.
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