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HFETR热功率测量系统误差分析
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作者 李冲 高业栋 +3 位作者 韩良文 马小春 夏星汉 刘兵 《核安全》 2021年第1期65-69,共5页
本文针对HFETR热功率自动测量系统,详细介绍了该系统的测量方式、组成和原理,在某炉段满功率运行和连续冷却两种工况下对相应的热功率计算误差进行分析,得到最大相对误差值为0.59%,一个运行周期的积分功率最大相对误差值为0.66%。本文... 本文针对HFETR热功率自动测量系统,详细介绍了该系统的测量方式、组成和原理,在某炉段满功率运行和连续冷却两种工况下对相应的热功率计算误差进行分析,得到最大相对误差值为0.59%,一个运行周期的积分功率最大相对误差值为0.66%。本文分析了测量仪表精度对热功率计算的影响。研究表明,HFETR的热功率测量系统精度符合设计要求,满足反应堆安全运行的需要。 展开更多
关键词 热功率测量系统 误差分析 误差来源
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Experimental Results on Excess Heat Power, Impurity Nuclides and X-Ray Production in Experiments with a High-Voltage Electric Discharge System
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作者 Alexander Karabut 《Journal of Physical Science and Application》 2014年第2期71-83,共13页
It reviewed results on low-energy nuclear reaction (LENR) processes in a high-voltage (1,000-4,000 V) electric discharge system. The experimental results are divided into three sets: excess heat measurements; yie... It reviewed results on low-energy nuclear reaction (LENR) processes in a high-voltage (1,000-4,000 V) electric discharge system. The experimental results are divided into three sets: excess heat measurements; yield of impurity nuclides (nuclear ash); X-ray measurements. Up to 8 W of excess power was observed, with a power gain of up to 170% was seen in glow discharge experiments. Up to 300 W of excess power, with a power gain up to 340% was observed in experiments using a high-voltage electrolysis cell. The impurity nuclide yield showing a shift of up to a few per cent from natural isotopic abundances was detected by spark mass spectrometry, by secondary ionic mass spectrometry, and by secondary neutral mass spectrometry. X-ray emission in the range of 0.6-6.0 keV, has been observed. Based on these experimental results we propose a phenomenological model for LENR based on the interaction of an electric discharge with condensed matter (of the cathode). 展开更多
关键词 Electric discharge excess heat impurity nuclides X-ray emission
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