density and viscosity of vegetable oils

PDF	Density and Viscosity of Vegetable Oils vol76

How do Dutt and Prasad predict viscosity of vegetable oils?
The sum of the molecular weights of the fatty acids can Dutt and Prasad state that the results of Equations 9 and 10 predict viscosity of vegetable oils with an average absolute deviation of 13.0 and 14.5%, respectively. new generalized method to estimate the density of veg- etable oils is presented in this paper.
How to predict the density of a vegetable oil?
In order to predict the density of a vegetable oil using this equation, it is necessary to know the critical temperature, critical pressure, molecular weight, and Rackett parameter of each fatty acid present in the oil ( ), as well as the molar ratios at which the fatty acids are present.
Which vegetable oil has a high viscosity?
The rest of the vegetable oils has viscosities that fell within the range of the rice bran and walnut oils with viscosities from 0.0311 to 0.0380 Pa·s at 38°C. Examining Table 1, it was observed that when the amount of saturated fatty acids in the vegetable oil was above 16%, the absolute viscosity was higher.
What is the correlation between vegetable oils and fatty acids?
The correla- tion for vegetable oils was based on fatty acid critical properties and composition of the oil. The correlations predicted the density of vegetable oils and fatty acids with an average absolute devia- tion of 0.21 and 0.77%, respectively.

Hossein Noureddini

Department of Chemical Engineering, University of Nebraska-Lincoln, hnouredd@unlnotes.unl.edu digitalcommons.unl.edu

B C. Teoh

Department of Chemical Engineering, University of Nebraska-Lincoln digitalcommons.unl.edu

L Davis Clements

Department of Chemical Engineering, University of Nebraska-Lincoln Follow this and additional works at: htp://digitalcommons.unl.edu/chemeng_biomaterials digitalcommons.unl.edu

PDF	[ ] Density and Viscosity of Vegetable Oils vol76

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