Chinese Physics C > 2005, Vol. 29 > Issue(8): 797-801

The Design and Simulation of a Cooling System of High Current 4-rod RFQ Cavity

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

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Abstract：
To develop a high current neutron generator, preliminary studies on a high current, high duty factor 4-rod RFQ accelerator has been carried out in the Institute of Heavy Ion Physics，Peking University. This paper discusses the design of a cooling system of the RFQ cavity. Finite element program ANSYS was used to analyze the cooling system. The power density was simulated by MAFIA and used as the boundary condition of ANSYS. Due to the different meshing methods between MAFIA and ANSYS, a program was written to transfer the result of MAFIA to ANSYS. Then a thermal analysis model of RFQ cavity was built by using ANSYS. The design of the cooling system was analyzed and checked by using this model, and then the structure of cooling system is determined. Simulation results showed that the design of the cooling system makes RFQ accelerator working at proper temperature and long time steadily.

References

[1]

. GUO Zhi-Yu, ZHANG Chuan, Schempp A et al. Design of a Deuteron RFQ for Neutron Generation. Proc. of LINAC20042. ZHU Kun, GUO Zhi-Yu, FANG Jia-Xun et al. Simulation and Experiment al Studies on a 4 Rod RFQ RF Property. HEP NP, 2005, 29(5) :512(in Chinese)(朱昆，郭之虞，方家驯等.高能物理核物理，2005,29(5):5123. Murdoch G R, Vormann H. Thermal Design of an RFQ Cell for an Ra-dio Frequency Quadrupole Under Construction for ISIS. Proc. of EPAC1998, Stockholm, Sweden. 14534. Balleyguier P, Launay F. A Maf ia to I-Deas Link for Thermal Studies inthe IPHI RFQ. Proc. of EPAC 2002, Paris, France. 21215. YAN Qiang-Sheng. Convective Heat and Mass Transfer. Bejing: Higher Education Press , 1985. 42(in Chinese)(杨强生.对流传热与传质.北京:高等教育出版社，1985. 42)6. ANSYS User's Manual Revision 8.0

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ZHU Kun, GUO Zhi-Yu, FANG Jia-Xun and GUO Jiu-Fang. The Design and Simulation of a Cooling System of High Current 4-rod RFQ Cavity[J]. Chinese Physics C, 2005, 29(8): 797-801.

ZHU Kun, GUO Zhi-Yu, FANG Jia-Xun and GUO Jiu-Fang. The Design and Simulation of a Cooling System of High Current 4-rod RFQ Cavity[J]. Chinese Physics C, 2005, 29(8): 797-801. shu

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Received: 2004-11-09
Revised: 2004-11-21

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沈阳化工大学材料科学与工程学院沈阳 110142

The Design and Simulation of a Cooling System of High Current 4-rod RFQ Cavity

Corresponding author:ZHU Kun,

Institute of Heavy Ion Physics,Peking University,Beijing 100871,China

Received Date:2004-11-09
Accepted Date:2004-11-21
Available Online:2005-08-05

Abstract:To develop a high current neutron generator, preliminary studies on a high current, high duty factor 4-rod RFQ accelerator has been carried out in the Institute of Heavy Ion Physics，Peking University. This paper discusses the design of a cooling system of the RFQ cavity. Finite element program ANSYS was used to analyze the cooling system. The power density was simulated by MAFIA and used as the boundary condition of ANSYS. Due to the different meshing methods between MAFIA and ANSYS, a program was written to transfer the result of MAFIA to ANSYS. Then a thermal analysis model of RFQ cavity was built by using ANSYS. The design of the cooling system was analyzed and checked by using this model, and then the structure of cooling system is determined. Simulation results showed that the design of the cooling system makes RFQ accelerator working at proper temperature and long time steadily.