A digital wide range neutron flux measuring system for HL-2A
文献类型：期刊论文
| 作者 | Yuan Chen1; Wu Jun1; Yin Zejie1 |
| 刊名 | PLASMA SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2017 |
| 卷号 | 19期号:8 |
| 关键词 | FUSION TEST REACTOR ABSOLUTE CALIBRATION MONITORING-SYSTEM TOKAMAK ITER SPECTROSCOPY YIELDS TFTR EAST HL-2A plasma diagnosis neutron flux measurement signal collection and treatment |
| ISSN号 | 1009-0630 |
| 其他题名 | A digital wide range neutron flux measuring system for HL-2A |
| 英文摘要 | To achieve wide-range, high-integration, and real-time performance on the neutron flux measurement on the HL-2A tokamak, a digital neutron flux measuring (DNFM) system based on the peripheral component interconnection (PCI) eXtension for Instrumentation express (PXIe) bus was designed. This system comprises a charge-sensitive preamplifier and a field programmable gate array (FPGA)based main electronics plug-in. The DNFM totally covers source-range and intermediate-range neutron flux measurements, and increases system integration by a large margin through joining the pulse-counting mode and Campbell mode. Meanwhile, the neutron flux estimation method based on pulse piling proportions is able to choose and switch measuring modes in accordance with current flux, and this ensures the accuracy of measurements when the neutron flux changes suddenly. It has been demonstrated by simulated signals that the DNFM enhances the full-scale measuring range up to 1.9x10(8) cm(-2) s(-1), with relative error below 6.1%. The DNFM has been verified to provide a high temporal sensitivity at 10ms time intervals on a single fission chamber on HL-2A. |
| 资助项目 | [National Natural Science Foundation of China] ; [National Magnetic Confinement Fusion Energy Development Research] |
| 语种 | 英语 |
| CSCD记录号 | CSCD:6031745 |
| 源URL | [http://119.78.100.186/handle/113462/139050]  |
| 专题 | 中国科学院近代物理研究所 |
| 作者单位 | 1.中国科学院高能物理研究所 2.中国科学院近代物理研究所 |
| 推荐引用方式 GB/T 7714 | Yuan Chen,Wu Jun,Yin Zejie. A digital wide range neutron flux measuring system for HL-2A[J]. PLASMA SCIENCE & TECHNOLOGY,2017,19(8). |
| APA | Yuan Chen,Wu Jun,&Yin Zejie.(2017).A digital wide range neutron flux measuring system for HL-2A.PLASMA SCIENCE & TECHNOLOGY,19(8). |
| MLA | Yuan Chen,et al."A digital wide range neutron flux measuring system for HL-2A".PLASMA SCIENCE & TECHNOLOGY 19.8(2017). |
入库方式： OAI收割
来源：近代物理研究所
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