• High Power Laser and Particle Beams
  • Vol. 36, Issue 1, 013014 (2024)
Hao Wu, Shaofu Li*, Wei Wang, Cheng Jiang, and Yingying Tang
Author Affiliations
  • School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010, China
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    DOI: 10.11884/HPLPB202436.230281 Cite this Article
    Hao Wu, Shaofu Li, Wei Wang, Cheng Jiang, Yingying Tang. Simulation and verification of 3D temperature model for high power microwave heating[J]. High Power Laser and Particle Beams, 2024, 36(1): 013014 Copy Citation Text show less
    Microwave resonator diagram
    Fig. 1. Microwave resonator diagram
    Schematic diagram of heat loss
    Fig. 2. Schematic diagram of heat loss
    Temperature error analysis chart of 5.4 kg water
    Fig. 3. Temperature error analysis chart of 5.4 kg water
    Partition diagram of different materials
    Fig. 4. Partition diagram of different materials
    1/2 full scale model
    Fig. 5. 1/2 full scale model
    Temperature distribution at 465 s
    Fig. 6. Temperature distribution at 465 s
    COMSOL simulation of electric field distribution in water medium
    Fig. 7. COMSOL simulation of electric field distribution in water medium
    Temperature comparison in r and z directions
    Fig. 8. Temperature comparison in r and z directions
    Temperature distribution of microwave uniform heating and uneven heating in rz plane
    Fig. 9. Temperature distribution of microwave uniform heating and uneven heating in rz plane
    Block diagram of microwave heating control system
    Fig. 10. Block diagram of microwave heating control system
    Temperature change trend at each point
    Fig. 11. Temperature change trend at each point
    Temperature change trend of each point under expert PID control
    Fig. 12. Temperature change trend of each point under expert PID control
    material$ \rho /\left( {{\rm{kg}}\cdot {{\rm{m}}^{-3}}} \right) $$ c/\left({\rm{J}}\cdot{\rm{kg}}^{-1}\cdot {{\text{℃}}}^{-1}\right) $$ \lambda /\left({\rm{W}}\cdot{\rm{m}}^{-1}\cdot {{\text{℃}}}^{-1}\right) $
    W100042000.59
    G26008502
    A1.1810050.028
    B7930126016.2
    Table 1. Material parameter values of each layer
    No.ifthen
    1u>1.00all five magnetrons run
    21.00≥u>0.75four magnetrons run randomly
    30.75≥u>0.50three magnetrons run randomly
    40.50≥u>0.25two magnetrons run randomly
    50.25≥u>0.00one magnetron run randomly
    6u≤0.00all magnetrons stop running
    Table 2. Empirical rule table of incremental expert PID control
    Hao Wu, Shaofu Li, Wei Wang, Cheng Jiang, Yingying Tang. Simulation and verification of 3D temperature model for high power microwave heating[J]. High Power Laser and Particle Beams, 2024, 36(1): 013014
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