• High Power Laser and Particle Beams
  • Vol. 34, Issue 5, 056009 (2022)
Xiao Liu, Wankui Yang, Hao Wang, Jian Wang, Songbao Zhang, Xinrong Zhang, and Wenhua Li
Author Affiliations
  • Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900, China
  • show less
    DOI: 10.11884/HPLPB202234.210516 Cite this Article
    Xiao Liu, Wankui Yang, Hao Wang, Jian Wang, Songbao Zhang, Xinrong Zhang, Wenhua Li. Size measurements of beryllium assemblies after long term service[J]. High Power Laser and Particle Beams, 2022, 34(5): 056009 Copy Citation Text show less
    Scheme of assemblies for SPRR-300 reactor
    Fig. 1. Scheme of assemblies for SPRR-300 reactor
    Neutron fluence of beryllium assemblies along x axial segment
    Fig. 2. Neutron fluence of beryllium assemblies along x axial segment
    Structure scheme of beryllium assemblies
    Fig. 3. Structure scheme of beryllium assemblies
    Transport nacelle and long handle hook
    Fig. 4. Transport nacelle and long handle hook
    Measurement of beryllium assemblies
    Fig. 5. Measurement of beryllium assemblies
    Plane degree of E1 beryllium assembly
    Fig. 6. Plane degree of E1 beryllium assembly
    No.service-time/aservice durationmaximum neutron fluence/cm−2
    C3141995—20083.29E+20
    F4291979—20085.17E+21
    J3291979—20085.66E+21
    E1291979—20086.78E+21
    Table 1. Service-time and maximum neutron fluence of beryllium assemblies
    No.the average neutron fluence of measuring position/cm−2xz/mm xz/mm +xy/mm xy/mm
    Note: the x-axis, y-axis and z-axis parallel the direction of length, width and height, respectively.
    C32.68E+200.061 20.004 50.056 30.047 8
    F44.33E+210.120 20.000 40.132 80.119 8
    J34.71E+210.059 80.020 30.071 70.107 4
    E15.60E+210.025 10.000 10.059 70.060 0
    Table 2. Plane degree of beryllium assemblies
    No.the average neutron fluence of measuring position/cm−2width/mmheight/mmthe average distance of width and height/mm deformation degree/mm
    original067.850 067.850 067.850 00
    C32.68E+2068.123 868.008 368.066 10.216 1
    F44.33E+2167.435 368.046 167.740 7–0.109 3
    J34.71E+2167.463 867.457 267.460 5−0.389 5
    E15.60E+2167.533 967.887 467.710 7−0.139 3
    Table 3. Section of beryllium assemblies
    Xiao Liu, Wankui Yang, Hao Wang, Jian Wang, Songbao Zhang, Xinrong Zhang, Wenhua Li. Size measurements of beryllium assemblies after long term service[J]. High Power Laser and Particle Beams, 2022, 34(5): 056009
    Download Citation