RHEOLOGICAL ASPECTS OF CORN OIL AND RAPESEED OIL.

This paper presents experimental results concerning the dependence of dynamic viscosity on temperature and shear velocity for two vegetal oils (corn oil and rapeseed oil) in order to evaluate these oils as lubricants. At lower temperature, the rapeseed oils exhibit greater values for the dynamic viscosity but at higher temperatures (90°C), both oils have similar evolutions of the dynamic viscosity. Also, the authors modelled the obtained results and obtained the characteristic constants involved in the Andrade and Azian relations. These mathematical models and the experimental results were compared and the prediction errors do not overpass 9.5%, when punctually comparing the experimental results and the theoretical ones. There were plotted maps of dynamic viscosity for corn oil and rapeseed oil, as a function of temperature and shear velocity. [ABSTRACT FROM AUTHOR]

Copyright of Journal of the Balkan Tribological Association is the property of SciBulCom Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)