氦-氙混合气体动力粘度测量

胡文桢; 李仲春; 刘晓晶; 邓坚; 曲文海

doi:10.13832/j.jnpe.2021.06.0032

氦-氙混合气体动力粘度测量

doi: 10.13832/j.jnpe.2021.06.0032

胡文桢^{1, 2,},
李仲春²,
刘晓晶^1, ,,
邓坚²,
曲文海¹

1.
上海交通大学核科学与工程学院，上海，200240
2.
中国核动力研究设计院核反应堆系统设计技术重点实验室，成都，610213

基金项目: 国家重点研发计划资助（2020YFB1901900）

详细信息

作者简介:
胡文桢（1997—），男，硕士，现主要从事核科学与工程相关研究，E-mail: huwenzhen@sjtu.edu.cn

通讯作者:
刘晓晶，E-mail: xiaojingliu@sjtu.edu.cn

中图分类号: TL334
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- 被引次数: 0
出版历程
- 收稿日期: 2020-10-17
- 修回日期: 2021-06-07
- 刊出日期: 2021-12-09

Dynamic Viscosity Measurement of Helium-Xenon Mixture Gas

Hu Wenzhen^{1, 2
,},
Li Zhongchun²,
Liu Xiaojing^{1
, ,},
Deng Jian²,
Qu Wenhai¹

1.
School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
2.
Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China

摘要

摘要: 针对氦-氙混合气体热物性参数的研究匮乏问题，对氦-氙混合气体的粘度进行了研究。基于双毛细管法设计实验装置，并考虑了修正项；采用氩气对实验装置进行标定后，测量了2种氦-氙混合气体（15、40 g/mol）在温度298.15~548.15 K、压力0.1~2.5 MPa下的动力粘度，并对测量结果进行了评价；为得到氦-氙混合气体高温下粘度，采用拟合粘度关系式的方法将粘度拟合值外推至温度为1273 K的粘度值。结果表明，本文实验结果与文献值符合较好；实验装置测量合成标准不确定度为3.88%，拟合值与文献值（实验值、计算值）的偏差较小。本研究为空间气冷堆设计和优化提供了基础热物性参数。
- 空间气冷堆 /
- 氦-氙混合气体 /
- 动力粘度 /
- 双毛细管法
Abstract: In view of the lack of research on the thermal and physical properties of helium - xenon gas mixture, the viscosity of helium-xenon gas mixture was studied. The experimental apparatus was designed based on the dual capillary method and the correction term was considered. The dynamic viscosities of two kinds of helium-xenon mixtures (15 and 40 g/mol) at temperatures of 298.15~548.15 K and pressures of 0.1~2.5 MPa were measured and evaluated after the calibration of the experimental apparatus with argon gas. In order to obtain the viscosity of He-xenon mixture at high temperature, the viscosity fitting value was extrapolated to 1273 K by using the method of fitting viscosity relation. The results show that the experimental results are in good agreement with the literature values. The standard uncertainty of synthesis measured by the experimental equipment is 3.88%. Compared with the experimental and calculated values in the literature, the deviation between the fitted values and the calculated values is small. This study provides the basic thermal and physical parameters for the design and optimization of space gas cooled reactor.
- Space gas-cooled reactor /
- Helium-xenon mixture gas /
- Dynamic viscosity /
- Dual-Capillary method

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图 1 实验装置简图

T—温度

Figure 1. Schematic Diagram of Experimental Device

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图 2 3种压力下前毛细管进口处温度与设定值的偏差

Figure 2. Deviation between Temperature of Inlet of Front Capillary and Set Value in Three Pressures

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图 3 2种压力下毛细管进、出口处温度与设定值偏差

Figure 3. Deviation between Temperature of Inlet and Outlet of Front Capillary and Set Value in Two Pressures

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图 4 同工况下氩气标定实验值与NIST值的对比及误差

Figure 4. Comparison and Error between Argon Calibration Experimental Value and NIST Value under the Same Case

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图 5 修正误差后氦-氙混合气体（15 g/mol）粘度随压力的变化曲线

Figure 5. Viscosity Variation Curve of Helium and Xenon Mixture Gas (15 g/mol) Varying with Pressure after being Revised

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图 6 实验值、文献值和拟合值对比(15 g/mol)

298.15 K文献值为文献[9]的实验值；548.15 K文献值是来自于文献[10]的实验值；698、778 K文献值为文献[11]的实验值；973、1273 K文献值为文献[3]的计算值

Figure 6. Comparison of Experimental Values, Literature Values and Fitted Values (15 g/mol)

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表 1 仪器仪表不确定度

Table 1. Instrument Uncertainty

仪表压力表差压计热电偶流量计

不确度/% 0.06 0.06~0.1 0.1~0.17 1.75

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表 2 混合气体组成

Table 2. Composition of Mixture Gas

氦气摩尔份额/% 氙气摩尔份额/% 混合气体摩尔质量/(g·mol⁻¹)

91.36 8.64 15
71.72 28.28 40

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表 3 不确定度评价

Table 3. Assessment of Uncertainties

温度/K 压力/MPa 标准不确定度
（A类）/% 合成标准不确定度
（B类）/%

298.15 0.5 2.77 2.48
423.15 1.5 3.75 3.88
548.15 2.5 3.08 3.66

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参考文献(11)

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