| 离子发动机空心阴极寿命预测 |
| |
| 引用本文： | 郭宁,江豪成,顾佐.离子发动机空心阴极寿命预测[J].真空,2009,46(4). |
| |
| 作者姓名： | 郭宁 江豪成 顾佐 |
| |
| 作者单位： | 兰州物理研究所真空低温技术与物理国家级重点实验室,甘肃,兰州,730000 |
| |
| 基金项目： | 真空低温技术与物理国家级重点实验室基金 |
| |
| 摘 要： | 为验证空心阴极的寿命,本文根据空心阴极LaB6发射体的损耗特点,采用数学建模方法对空心阴极的寿命进行了预测.预测结果表明兰州物理研究所研制的空心阴极工作在额定状态下(发射电流5.00 A),其寿命可达到40000 h以上.3500 h寿命试验后空心阴极解剖分析结果初步验证了预测模型的正确性.
|
| 关 键 词： | 物理电子学 空心阴极寿命 预测 离子发动机 |
Lifetime forecast of hollow cathode for ion engine |
| |
| GUO Ning,JIANG Hao-cheng,GU Zuo.Lifetime forecast of hollow cathode for ion engine[J].Vacuum,2009,46(4). |
| |
| Authors: | GUO Ning JIANG Hao-cheng GU Zuo |
| |
| Abstract: | To verify the lifetime of the hollow cathode for ion enging,a mathematic model was developed according to the characteristics of evaperation loss of the LaBs emitter in hollow cathode to forecast the lifetime of the hollow cathode.The results showed that the lifetime of the hollow cathode developed by the Lanzhou Institute of Physics (LIP) can over 40000hr with the rated thermionic current (5.00A).After a 3500hr lifetime test for the hollow cathode,of which the results were analyzed,the mathematic model for forecasting the lifetime of the hollow cathode was verified basically correct. |
| |
| Keywords: | physical electronics lifetime hollow cathode forecast ion engine |
| 本文献已被 万方数据 等数据库收录！ |
|
