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中文摘要：
采用振动盘黏度计对制冷剂R143a的气相黏度进行了实验研究，温度范围为299～338K、压力范围为0．1—2．69MPa，黏度测量的不确定度为±2．0％。利用得到的实验数据，拟合了R143a的气相黏度方程，黏度实验数据与方程的平均绝对偏差为0．20％，最大偏差为0．97％，可以满足工程应用。
英文摘要：
The viscosity of gaseous R143a was measured with a Maxwell-type oscillating disk viscometer from 299 to 338 K at pressures of up to 2.69 MPa. The estimated uncertainty of the reported viscosity is ±2.0%. Correlation for the viscosity was presented, and the maximum absolute deviation and mean absolute deviation of the measured data from the equation were 0.97% and 0.20%, respectively.
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