静态铅铋中Pt/Air型氧传感器性能初步研究
Study on Stability and Veracity of Pt/Air Sensor in Liquid Lead-bismuth
查看参考文献23篇
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文摘
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液态铅铋合金氧测控作为加速器驱动次临界系统(ADS)的关键技术之一,对抑制结构材料腐蚀具有重要作用.为深入开展氧测控技术研究,自主研制液态铅铋氧测量及控制实验装置,并基于该装置开展Pt/Air型氧传感器在饱和氧浓度下的稳定性与精确性测试实验.结果显示,在625~786 K温度范围内,Pt/Air型氧传感器电压信号经过传热产生的弛豫(<750 s)之后稳定性表现良好,测量值的最大绝对偏差为10 mV,最大相对偏差为1.5%,与理论值符合较好,其偏差主要来自热电压及氧化物的影响. |
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其他语种文摘
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Measurement and control of oxygen content in liquid lead-bismuth is one of the key technologies in accelerator-driven subcritical system (ADS).It plays a vital role to resist structural material corrosion. Liquid lead-bismuth oxygen measurement and control experimental device was designed and constructed independently to study the key technology. Pt/Air reference electrode oxygen sensors were tested for the stability and veracity in the saturated oxygen concentration with the device. The results showed that in the temperature ranging from 625 ~ 786 K, it performed good stability after relaxation time less than 750 s for thermal equilibrium relaxation affect by the low heat conduction of YSZ ceramic tube. The voltage signal of Pt/Air sensor was in good agreement with the theoretical value,with absolute deviation less than 10 mV and relative deviation less than 1.5%.Reason for deviation came from thermoelectric voltages and oxide impurities. |
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来源
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核科学与工程
,2015,35(1):1-7 【核心库】
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关键词
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加速器驱动次临界系统
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液态铅铋合金
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氧测控
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氧传感器
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稳定性
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精确性
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地址
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1.
中国科学技术大学, 中国科学院中子输运理论与辐射安全重点实验室, 安徽, 合肥, 230027
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中国科学院核能安全技术研究所, 中国科学院中子输运理论与辐射安全重点实验室, 安徽, 合肥, 230031
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FDS 团队
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0258-0918 |
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学科
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机械、仪表工业 |
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基金
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中国科学院战略性先导科技专项
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中国科学院知识创新工程重要方向项目
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国家自然科学基金
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文献收藏号
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CSCD:5402866
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