HIAT2018 - List of Authors (Zhu, K.)

Paper	Title	Page
MOZAA01	The Design and Experiment of Cw High Current Deuteron RFQ
	K. Zhu, Q. Fu, P.P. Gan, S.L. Gao, H.P. Li, S. Liu, Y.R. Lu, Q.Y. Tan, Z. Wang PKU, Beijing, People’s Republic of China W.P. Dou, Y. He, C. Wang, Z.J. Wang, Q. Wu IMP/CAS, Lanzhou, People’s Republic of China
	Funding: work supported by NSFC. Grand No. 2014CB845503 A window-type RFQ is designed and fabricated by Peking University for the key technique research of Beijing Isotope-Separation-On-Line neutron-rich beam facility(BISOL) . It is planed to accelerate 50mA deuteron CW beam to 1MeV. The 60kV intervene voltage is designed to decrease the risk of high voltage discharge since the RFQ works in CW mode. High power test shows that the intervane voltage is over 60kV when the cavity power consumption is 48kW. The beam experiment was done and 1.8mA CW beam was obtained at the exit of RFQ with over 90% transmission efficiency. It is the first time that window-type RFQ is used to accelerate light ion with high frequency(>100MHz). The experiment result shows that the window-type structure have great advantages in CW working mode.
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WEPB03	Multi-physics Analysis of a CW Four-rod RFQ	138
	Z.S. Li, Y. Cong, H. Du, Y. He, L. Jing, Q.Y. Kong, X.N. Li, J. Meng, G.D. Shen, H.N. Wang, K.D. Wang, Z.J. Wang, Y. Wei, J.X. Wu, J.W. Xia, H.M. Xie, W.J. Xie, X.W. Xu, Z. Xu, J.C. Yang, Y.Q. Yang, X. Yin, Y.J. Yuan, Y. Zhang IMP/CAS, Lanzhou, People’s Republic of China Y.R. Lu, K. Zhu PKU, Beijing, People’s Republic of China
	The new injector SSC-LINAC is under design and con-struction to improve the efficiency and intensity of beams for the Separated-Sector Cyclotron (SSC). This will be accomplished with a normal conducting radio-frequency quadrupole (RFQ) accelerator. To match with the SSC, the RFQ must be operated on Continuous Wave (CW) mode with a frequency of 53.667 MHz. A four-rod structure was adopted for small dimensions of the cavity. While, it was a huge challenge on CW mode. A multi-physics theoretical analysis, including RF, thermal, struc-tural and frequency shift coupling analysis, have been completed in response to the security and stable opera-tion of the RFQ. The experimental measurement of fre-quency shift was also completed, which is consistent with the simulation. In this paper, the results of theoretical analysis and experiment are reported in detail.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-HIAT2018-WEPB03
About •	paper received ※ 09 November 2018 paper accepted ※ 14 November 2019 issue date ※ 05 November 2019
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

MOZAA01

The Design and Experiment of Cw High Current Deuteron RFQ

K. Zhu, Q. Fu, P.P. Gan, S.L. Gao, H.P. Li, S. Liu, Y.R. Lu, Q.Y. Tan, Z. Wang
PKU, Beijing, People’s Republic of China
W.P. Dou, Y. He, C. Wang, Z.J. Wang, Q. Wu
IMP/CAS, Lanzhou, People’s Republic of China

Funding: work supported by NSFC. Grand No. 2014CB845503
A window-type RFQ is designed and fabricated by Peking University for the key technique research of Beijing Isotope-Separation-On-Line neutron-rich beam facility(BISOL) . It is planed to accelerate 50mA deuteron CW beam to 1MeV. The 60kV intervene voltage is designed to decrease the risk of high voltage discharge since the RFQ works in CW mode. High power test shows that the intervane voltage is over 60kV when the cavity power consumption is 48kW. The beam experiment was done and 1.8mA CW beam was obtained at the exit of RFQ with over 90% transmission efficiency. It is the first time that window-type RFQ is used to accelerate light ion with high frequency(>100MHz). The experiment result shows that the window-type structure have great advantages in CW working mode.

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reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPB03

Multi-physics Analysis of a CW Four-rod RFQ

138

Z.S. Li, Y. Cong, H. Du, Y. He, L. Jing, Q.Y. Kong, X.N. Li, J. Meng, G.D. Shen, H.N. Wang, K.D. Wang, Z.J. Wang, Y. Wei, J.X. Wu, J.W. Xia, H.M. Xie, W.J. Xie, X.W. Xu, Z. Xu, J.C. Yang, Y.Q. Yang, X. Yin, Y.J. Yuan, Y. Zhang
IMP/CAS, Lanzhou, People’s Republic of China
Y.R. Lu, K. Zhu
PKU, Beijing, People’s Republic of China

The new injector SSC-LINAC is under design and con-struction to improve the efficiency and intensity of beams for the Separated-Sector Cyclotron (SSC). This will be accomplished with a normal conducting radio-frequency quadrupole (RFQ) accelerator. To match with the SSC, the RFQ must be operated on Continuous Wave (CW) mode with a frequency of 53.667 MHz. A four-rod structure was adopted for small dimensions of the cavity. While, it was a huge challenge on CW mode. A multi-physics theoretical analysis, including RF, thermal, struc-tural and frequency shift coupling analysis, have been completed in response to the security and stable opera-tion of the RFQ. The experimental measurement of fre-quency shift was also completed, which is consistent with the simulation. In this paper, the results of theoretical analysis and experiment are reported in detail.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-HIAT2018-WEPB03

About •

paper received ※ 09 November 2018 paper accepted ※ 14 November 2019 issue date ※ 05 November 2019

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)