Viscosity and working efficiency analysis of soybean oil based bio-lubricants |
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Authors: | Chen-Ching Ting Chien-Chih Chen |
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Affiliation: | a Department of Mechanical Engineering, National Taipei University of Technology, Taiwan b Institute of Mechanical and Electrical Engineering, National Taipei University of Technology, Taiwan |
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Abstract: | This article presents significant data about viscosity and working efficiency analysis for developing the soybean oil based bio-lubricants. A suitable viscosity or viscosity index (VI) plays a very important role in a lubricant, which can avoid collision and rubbing between components of mechanical devices in work as well as optimize working efficiency of a machine. In general, low friction between devices can increase working efficiency of a machine, but low viscosity of a lubricant will easily cause collision and rubbing between components of mechanical devices in work. A too viscous lubricant also requires a large amount of energy to move, but a too thin lubricant will easily cause rubbed devices and increased friction. To replace the mineral oils and syntholubes, the soybean oil is recently become one of the most actively studied oils due to its eco-friendly organic property and lower cost. This work used mixtures of the original soybean oil, the epoxidized soybean oil, and the hydrogenated soybean oil as the base oils. Applications are focused on developing engine bio-lubricants. The results show that the epoxidized soybean oil has extremely large viscosity in comparison with the engine lubricants as well as the original soybean oil, whereas the hydrogenated soybean oil is clearly opposite. This viscosity analysis offers good informations to fit viscosity of the engine lubricants by mixing the three soybean oils as base oils. |
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Keywords: | Soybean oil Bio-lubricants Epoxidized soybean oil Hydrogenated soybean oil |
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