| 刘志民,成竹,蒋军亮.石墨加热器电极放电特性试验研究[J].装备环境工程,2013,10(3):36-38,50. LIU Zhi-min,CHENG Zhu,JIANG Jun-liang.Experimental Investigation of Discharge Characteristic of Graphite Heater Electrode[J].Equipment Environmental Engineering,2013,10(3):36-38,50. |
| 石墨加热器电极放电特性试验研究 |
| Experimental Investigation of Discharge Characteristic of Graphite Heater Electrode |
| 投稿时间：2013-01-19 修订日期：2013-05-01 |
| DOI：10.7643/issn.1672-9242.2013.03.009 |
| 中文关键词: 放电特性 着火电压 真空 石墨加热器 |
| 英文关键词:discharge characteristic firing voltage vacuum graphite heater |
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| 中文摘要: |
| 采用试验方法研究了电极着火电压与表面温度、压强、距离、材料、环境气体成分的关系。结果表明，着火电压随电极表面温度升高而下降；在压强为10-2～103Pa之间，着火电压先下降后升高，最小值为Ub，min；Ub，min右侧着火电压随电极间距的增大而增大，Ub，min左侧着火电压随电极间距的增大而减小；氮气环境相较于空气环境，电极着火电压更低；对于材料为石墨、钼和铜的电极，着火电压依次降低。 |
| 英文摘要: |
| Experiments were conducted to study the relation of firing voltage to the surface temperature, pressure, distance, material, and gas component in environment. The result showed that the firing voltage decreases obviously with the increasing of surface temperature; the firing voltage firstly decreases then increases in the pressure range of10-2～103Pa with a minimum firing voltage ofUb，min; at the right side of Ub，min, the firing voltage increases with increasing distance; at the other side, the firing voltage decreases with increasing distance; the firing voltage of electrodes in air is higher than it in N2; the firing voltage of electrodes made in graphite, molybdenum or copper decreases in turn. |
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