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The research work aims at analyzing the heat transfer rate of the nano particles with different type of heat exchanger. Graphene, the nano particle under consideration, can be prepared using Hummers and Offeman method. The analysis has been done with the help of Ansys Fluent software. The physical properties (density, thermal conductivity, specific heat, viscosity) of the nano particles are taken from a standard journal and analyzed in a double tube and triple tube heat exchanger with the given dimensions. The simulation is done using the Ansys fluent for a particular concentration of...

There has been a rapid growth in the development of harder and difficult to machine metals and alloys during the last two decades. Conventional edged tool machining is uneconomical for such materials and the degree of accuracy and surface finish attainable is poor. The approach of optimum and modeling of MRR, TWR, Overcut and Taper has been applied. For the experimentation purpose, titanium super alloys (Ti-6Al-4V) was machined with brass electrode by using central composite design. The optimum value has been determined with the help of main effect plot and ANOVA table to find out optimum...