| 3He气液饱和密度方程 |
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| 引用本文： | 黄永华,陈国邦,李祥仪. 3He气液饱和密度方程[J]. 低温工程, 2004, 0(3): 13-16 |
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| 作者姓名： | 黄永华 陈国邦 李祥仪 |
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| 作者单位： | 浙江大学制冷与低温研究所,杭州,310027;浙江大学制冷与低温研究所,杭州,310027;浙江大学制冷与低温研究所,杭州,310027 |
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| 基金项目： | 国家自然科学基金，高等学校博士学科点专项科研项目 |
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| 摘 要： | 采用非线性最小二乘回归方法拟合3He饱和区气液密度实验数据,提出精度满足要求的3He气液饱和密度方程.该方程在实验点上的平均相对偏差为0.79%,最大相对误差为7.46%,相对误差超过2.5%的数据点有6个.该方程不仅可以用来计算饱和区气液密度,而且对将来产生3He气态和液态区的状态方程具有重要意义,为物性计算提供可靠的初值.
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| 关 键 词： | 3He 饱和密度 低温 |
DENSITY EQUATION FOR SATURATED HELIUM-3 |
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| Huang Yonghua Chen Guobang Li Xiangyi. DENSITY EQUATION FOR SATURATED HELIUM-3[J]. Cryogenics, 2004, 0(3): 13-16 |
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| Authors: | Huang Yonghua Chen Guobang Li Xiangyi |
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| Abstract: | An accurate density equation for saturated 3He is obtained by using nonlinear regression for collected experimental data. The average relative error of this equation is 0.79%, while the maximum relative error is 7.46%. There are only 6 points out of above 2.5% with the relative error.This equation not only can be used to calculate saturated density of 3He, but is also of great significance to generate the equation of state for 3He in both liquid and gas regions. |
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| Keywords: | 3He |
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