Wrinkle analysis and mounting optimization of the primary stripper foil for CSNS

HE Zhe-Xi; QIU Jing; LI Chun-Hua; CHEN Jia-Xin; KANG Ling; QU Hua-Min; ZOU Yi-Qin

doi:10.1088/1674-1137/37/10/107003

Chinese Physics C> 2013, Vol. 37> Issue(10) : 107003 DOI: 10.1088/1674-1137/37/10/107003

Wrinkle analysis and mounting optimization of the primary stripper foil for CSNS

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Abstract：
The primary stripper foil's lifetime is very important for high intensity proton accelerators. Besides high temperature, the wrinkle of the stripper foil is also harmful for the lifetime and the injection efficiency. However, the recent wrinkle simulation is still not perfect. In this paper, a new method for wrinkle analysis has been proposed for the first time, which is integrated with the buckling theory. Based on this method, the wrinkle vibration and the maximum wrinkle shape of the normally mounted foil have been simulated. Then, two mounting schemes for reducing the wrinkle have been contrasted. Finally, the foil mounting structure for CSNS has been designed.

References

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CHOU W, Kostin M, TANG Z. Nucl. Instrum. Methods Phys. Res. A, 2008, 590: 1-12[2] Liaw C J, Lee Y Y, Alessi J et al. PAC1999, 1999. 3000-3002[3] Sugai I, Takeda Y, Oyaizu M et al. Nucl. Instrum. Methods Phys. Res. A, 2010, 613: 457-461[4] Sugai I, Takeda Y, Oyaizu M et al. Fermilab Accelerator Division Document Database, Beam Document 3496-v1, 2009[5] WONG Y W, Pellegrino S. In: 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structure Dynamics, and Materials Conference, 2002, AIAA 2002-1369[6] QIU J. Physical Design and Study of Chinese Spallation Neutron Source Injection System. Beijing: IHEP, 2007[7] Zeisler S K, Jaggi V. Nucl. Instrum. Methods Phys. Res. A, 2010, 613: 434-435[8] Jolivet C S, Miller S A, Jr. Strner J O et al. Nucl. Instrum. Methods Phys. Res. A, 2008, 590: 47-50[9] Jolivet C S, Jr. Strner J O. Nucl. Instrum. Methods Phys. Res. A, 2008, 590: 51-56

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HE Zhe-Xi, QIU Jing, LI Chun-Hua, CHEN Jia-Xin, KANG Ling, QU Hua-Min and ZOU Yi-Qin. Wrinkle analysis and mounting optimization of the primary stripper foil for CSNS[J]. Chinese Physics C, 2013, 37(10): 107003. doi: 10.1088/1674-1137/37/10/107003

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Received: 2012-12-05
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Wrinkle analysis and mounting optimization of the primary stripper foil for CSNS

Received Date: 2012-12-05
Accepted Date: 1900-01-01
Available Online: 2013-10-05

Abstract: The primary stripper foil's lifetime is very important for high intensity proton accelerators. Besides high temperature, the wrinkle of the stripper foil is also harmful for the lifetime and the injection efficiency. However, the recent wrinkle simulation is still not perfect. In this paper, a new method for wrinkle analysis has been proposed for the first time, which is integrated with the buckling theory. Based on this method, the wrinkle vibration and the maximum wrinkle shape of the normally mounted foil have been simulated. Then, two mounting schemes for reducing the wrinkle have been contrasted. Finally, the foil mounting structure for CSNS has been designed.