Experimental analysis and investigations on properties of a biological material as lubricant additive

Some conventional fluids such as lubricants, air, water, and others used for cooling of various applications like automobiles, locomotives, machinery, air conditioning and refrigeration, and other industrial applications. However, experimental observations reveled using of conventional fluids is no more advantageous because of advanced additive technologies development in heat transfer areas. Recent technology projected on nano fluids shows, nano materials occupies an important place in changing the properties of various elements in basic structure. Extensive research elaborated that the heat transfer capacity is fully dependent upon thermal conductivity (k) of nano particles, size, diameter and the percentage of volume concentration. Advanced technologies facilitates using nano fluids for improving thermal conductivity in several applications like automobiles, industries, marine and other heat exchangers etc. This Experimental studies focuses on the various properties of lubricants mainly focus on thermal conductivity (k) of Nano fluids for Al2O3, SiO2 and coal ash. A new biological material used by our ancients as lubricant additive brought up into experimental investigation and results compared with conventional fluids. The particle size is 60 nm measured by electron microscope scanning setup, images taken for the size and characteristics. The experiments carried on by using a pipe in pipe heat exchanger at laminar flow condition by a forced convection mode. These nano fluids prepared at different volume concentrations 0.2%, 0.4%, 0.6% and 1.2% on SAEOW-20 engine oil as base fluid.