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Correlation for Estimating the Effects of Temperature on the Viscosity of Light Hydrocarbon Solvents

机译:估计温度对轻质烃溶剂粘度影响的相关性

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Viscosity-temperature correlation has been developed for light hydrocarbon solvents. The correlation is based on one-parameter viscosity model developed by Puttagunta et al. (Chem. Eng. Res. Des., Vol 70,1992, p 627-631) for conventional erode oils, which has been modified by incorporating a solvent viscosity reduction factor, PHI. The correlation was compared with the model of Puttagunta et al. on 22 light hydrocarbon solvents for a total of 318 data points. The average absolute deviation improves to 1.9 percent, compared with 2.2 percent obtained with the model over a temperature range from -54.41 to 160 deg C. The correlation can accurately predict the viscosity of any light hydrocarbon solvent without the need to determine multiple characteristic parameters. This eliminates the consumption of time, energy, and money by costly and cumbersome calculations.
机译:已经为轻烃溶剂开发了粘度-温度相关性。相关性基于Puttagunta等人开发的一参数粘度模型。 (Chem.Eng.Res.Des。,第70卷,1992年,第627-631页),用于常规腐蚀油,已通过加入溶剂粘度降低因子PHI进行了改性。将相关性与Puttagunta等人的模型进行了比较。在22种轻烃溶剂上进行分析,共获得318个数据点。在-54.41至160摄氏度的温度范围内,与该模型获得的2.2%相比,平均绝对偏差提高到1.9%。这种相关性可以准确地预测任何轻质烃溶剂的粘度,而无需确定多个特征参数。通过昂贵而繁琐的计算,这消除了时间,精力和金钱的消耗。

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