• High Power Laser and Particle Beams
  • Vol. 37, Issue 2, 024001 (2025)
Xin Chen, Chen Li*, Wei Zhao, Gang Huang..., Jun Xiang, Tiantao Li, Jie Yang, Ping Liu and Zhen Qin|Show fewer author(s)
Author Affiliations
  • Institute of Fluid Physics, CAEP, Mianyang 621900, China
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    DOI: 10.11884/HPLPB202537.240154 Cite this Article
    Xin Chen, Chen Li, Wei Zhao, Gang Huang, Jun Xiang, Tiantao Li, Jie Yang, Ping Liu, Zhen Qin. Development of a ferrite-silicon carbide hybrid high-order mode damper for accelerators[J]. High Power Laser and Particle Beams, 2025, 37(2): 024001 Copy Citation Text show less
    Schematic of the hybrid high-order mode damper
    Fig. 1. Schematic of the hybrid high-order mode damper
    Hybrid high-order mode damper with an inner diameter of 320 mm and a height of 445 mm
    Fig. 2. Hybrid high-order mode damper with an inner diameter of 320 mm and a height of 445 mm
    Simulation and measurement of absorption efficiency of hybrid high-order mode damper (no short piston)
    Fig. 3. Simulation and measurement of absorption efficiency of hybrid high-order mode damper (no short piston)
    Simulation results of water temperature distribution for the hybrid high-order mode damper with an absorbed power of 10 kW
    Fig. 4. Simulation results of water temperature distribution for the hybrid high-order mode damper with an absorbed power of 10 kW
    Simulation results of absorbing materials temperature distribution for the hybrid high-order mode damper with an absorbed power of 10kW
    Fig. 5. Simulation results of absorbing materials temperature distribution for the hybrid high-order mode damper with an absorbed power of 10kW
    Temperature rise of inlet and outlet water under different absorbed power (about 0.4 MPa water pressure)
    Fig. 6. Temperature rise of inlet and outlet water under different absorbed power (about 0.4 MPa water pressure)
    Absorption power and absorption efficiency under different input power
    Fig. 7. Absorption power and absorption efficiency under different input power
    temperature difference between the inlet and outlet cooling water/℃
    simulation result2.3
    measurement result1.1
    Table 1. Simulation and measurement results of temperature distribution for the hybrid high-order mode damper with an absorbed power of 10 kW
    vacuum leak rate/(Pa·L·s−1)ultimate vacuum/Pawater-resistant/MPa
    5×10−104.6×10−80.92
    Table 2. Performance test results of the hybrid high-order mode damper
    absorbed power/kWabsorption efficiencyvacuum leak rate/(Pa·L·s−1)ultimate vacuum/Pawater-resistant/MPatemperature difference between the outlet and inlet cooling water/℃
    design requirements≥10operating frequency band(0.6~3.0 GHz)≥30%,critical frequency bands(0.8~1.5 GHz)≥50%≤1×10−7≤6.5×10−8≥0.9≤5
    simulation results10operating frequency band(0.6~3.0 GHz)≥53%,critical frequency bands(0.8~1.5 GHz)≥61%— —— —— —2.3
    measurement results10.2operating frequency band(0.6~3.0 GHz)≥38%,critical frequency bands(0.8~1.5 GHz)≥60%5×10−104.6×10−80.921.1
    Table 3. Design requirements and performance test results of the hybrid high-order mode damper
    Xin Chen, Chen Li, Wei Zhao, Gang Huang, Jun Xiang, Tiantao Li, Jie Yang, Ping Liu, Zhen Qin. Development of a ferrite-silicon carbide hybrid high-order mode damper for accelerators[J]. High Power Laser and Particle Beams, 2025, 37(2): 024001
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