A Novel Method for Rigorously Analyzing Beam Loading Effect Based on the Macro-Particle Model
The beam loading effect is a considerable issue for a high average current beam. We apply a novel method without utilizing the specious beam current value to rigorously analyze the beam loading effect in S-band linacs. By tracking every macro-particle＇s state and using the energy conservation law, p...
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| Published in | Chinese physics letters Vol. 31; no. 1; pp. 65 - 68 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0256-307X 1741-3540 |
| DOI | 10.1088/0256-307X/31/1/012902 |
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| Abstract | The beam loading effect is a considerable issue for a high average current beam. We apply a novel method without utilizing the specious beam current value to rigorously analyze the beam loading effect in S-band linacs. By tracking every macro-particle＇s state and using the energy conservation law, power dissipated from the beam is calculated in each cell. In the new particle-based algorithm, the concept of equivalent beam current is proposed. Its value is not constant and it has a small variation through the accelerating structure. Also, we introduce the iteration algorithm as comparison and we find that the two algorithms coincide with each other very well. |
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| AbstractList | The beam loading effect is a considerable issue for a high average current beam. We apply a novel method without utilizing the specious beam current value to rigorously analyze the beam loading effect in S-band linacs. By tracking every macro-particle's state and using the energy conservation law, power dissipated from the beam is calculated in each cell. In the new particle-based algorithm, the concept of equivalent beam current is proposed. Its value is not constant and it has a small variation through the accelerating structure. Also, we introduce the iteration algorithm as comparison and we nnd that the two algorithms coincide with each other very well. The beam loading effect is a considerable issue for a high average current beam. We apply a novel method without utilizing the specious beam current value to rigorously analyze the beam loading effect in S-band linacs. By tracking every macro-particle＇s state and using the energy conservation law, power dissipated from the beam is calculated in each cell. In the new particle-based algorithm, the concept of equivalent beam current is proposed. Its value is not constant and it has a small variation through the accelerating structure. Also, we introduce the iteration algorithm as comparison and we find that the two algorithms coincide with each other very well. |
| Author | 陈曲珊 裴元吉 胡桐宁 秦斌 |
| AuthorAffiliation | State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074 National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026 |
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| CitedBy_id | crossref_primary_10_1016_j_nima_2015_07_018 crossref_primary_10_1016_j_nima_2023_168241 crossref_primary_10_1016_j_nima_2014_04_048 |
| Cites_doi | 10.1016/j.nima.2013.06.011 |
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| Notes | The beam loading effect is a considerable issue for a high average current beam. We apply a novel method without utilizing the specious beam current value to rigorously analyze the beam loading effect in S-band linacs. By tracking every macro-particle＇s state and using the energy conservation law, power dissipated from the beam is calculated in each cell. In the new particle-based algorithm, the concept of equivalent beam current is proposed. Its value is not constant and it has a small variation through the accelerating structure. Also, we introduce the iteration algorithm as comparison and we find that the two algorithms coincide with each other very well. 11-1959/O4 CHEN Qu-Shan, PEI Yuan-Ji, HU Tong-Ning, QIN Bin（ 1 State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074 2National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026） ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | Tang C X (4) 1996; 20 Yao C G (9) 1986 Pei S L (3) 2006; 30 6 Hu T N (5) 2013 Young L M (7) 2003 Wang J W (1) 1989 Pei Y J (8) 2013 Huang Y Z (2) 1994; 18 |
| References_xml | – year: 1986 ident: 9 publication-title: Electron Linear Accelerator – year: 2013 ident: 8 publication-title: Design Basis of Electron Linear Accelerator – year: 2013 ident: 5 publication-title: Chin. Phys. – year: 2003 ident: 7 publication-title: Parmela documentation – volume: 20 start-page: 4 year: 1996 ident: 4 publication-title: High Energy Phys. Nucl. Phys. – ident: 6 doi: 10.1016/j.nima.2013.06.011 – year: 1989 ident: 1 – volume: 30 start-page: 5 year: 2006 ident: 3 publication-title: High Energy Phys. Nucl. Phys. – volume: 18 start-page: 4 year: 1994 ident: 2 publication-title: High Energy Phys. Nucl. Phys. |
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| SubjectTerms | Algorithms Beam currents Constants Dissipation Energy conservation law Equivalence Mathematical models Tracking 宏观 束流 直线加速器 粒子模型 能量守恒定律 荷载效应 负载效应 迭代算法 |
| Title | A Novel Method for Rigorously Analyzing Beam Loading Effect Based on the Macro-Particle Model |
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