| 活性炭吸附氦气式回热器的吸附特性研究 |
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| 引用本文： | 席肖桐,杨彪,陈六彪,周远,王俊杰.活性炭吸附氦气式回热器的吸附特性研究[J].工程热物理学报,2022,43(2):285-289. |
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| 作者姓名： | 席肖桐 杨彪 陈六彪 周远 王俊杰 |
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| 作者单位： | 中国科学院低温工程学重点实验室(理化技术研究所),北京100190;中国科学院大学,北京100049 |
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| 基金项目： | 国家自然科学基金资助项目(No.12073058,No.U1831203,No.51706233);中国科学院战略性先导科技专项(No.XDA15010400);中国科学院前沿科学重点研究计划(No.QYZDY-SSW-JSC028);中国科学院青年创新促进会(No.2019030)。 |
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| 摘 要： | 回热式低温制冷机在空间探测和地面实验中都有重要应用,但是在液氦温区工质氦气的体积比热容高于目前几乎所有的蓄冷材料,导致回热器效率低下.直接使用活性炭吸附一部分工质氦气作为蓄冷填料是一种潜在的解决方案.基于4～J10 K温度区间内吸附量的实验数据,建立了低温动态吸附计算模型,分析了液氦温区动态吸附特性对回热器性能参数的影...
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| 关 键 词： | 低温回热器 活性炭 低温吸附 回热式制冷机 |
Study on the Adsorption Characteristics of Activated Carbon With Adsorbed Helium Regenerator |
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| XI Xiao-Tong,YANG Biao,CHEN Liu-Biao,ZHOU Yuan,WANG Jun-Jie.Study on the Adsorption Characteristics of Activated Carbon With Adsorbed Helium Regenerator[J].Journal of Engineering Thermophysics,2022,43(2):285-289. |
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| Authors: | XI Xiao-Tong YANG Biao CHEN Liu-Biao ZHOU Yuan WANG Jun-Jie |
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| Institution: | (Chinese Academy of Sciences,Key Laboratory of Cryogenics,Technical Institute of Physics and Chemistry,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | The regenerative refrigerators have important applications in space explorations and ground experiments,but the volumetric specific heat capacity of the working fluid helium in the liquid helium temperature zone is higher than that of almost all currently known regenerator materials,resulting in low efficiency of the regenerator.It is a potential solution to directly use activated carbon to adsorb a part of the working fluid helium as the regenerator materials.Based on the experimental data of the adsorption capacity in the temperature range of 4～10 K,a low-temperature dynamic adsorption calculation model was established,and the influence of the dynamic adsorption characteristics on the performance of the regenerator was analyzed.The results show that high frequency,low temperature,high pressure and small phase difference are beneficial to reduce temperature fluctuations and improve the efficiency of the regenerator. |
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| Keywords: | cryogenic regenerator activated carbon low temperature adsorption regenerative refrigerator |
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