Heat transfer analysis of radiator using graphene oxide nanofluids

International Conference on Recent Advances in Materials & Manufacturing Technologies

Ponangi, Babu Rao^1 ; Sumanth, S.^1 ; Krishna, V.^1 ; Seetharam, T.R.^2 ; Seetharamu, K.N.^2

PMR Lab, Department of Post Graduate Studies, Mechanical Engineering, PES University, 100 feet ring road, BSK III Stage, Bangalore

560085, India^1

Department of Mechanical Engineering, PES University, 100 feet ring road, BSK III Stage, Bangalore

560085, India^2

关键词: Design calculations;    Friction factors;    Heat transfer analysis;    IC engines;    Inlet temperature;    Oxide nanoparticles;    Volume concentration;    Volumetric flow rate;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/346/1/012032/pdf
DOI  :  10.1088/1757-899X/346/1/012032

来源: IOP

【 摘 要 】

As the technology is developing day by day, there is a requirement for enhancement in performance of automobile radiator to have a better performance of the IC Engine and fuel effectiveness. One of the major and recent approach to upgrade the performance of a radiator is that nanoparticles must be suspended in the general coolant (Ethylene Glycol - Water) which form nanofluids. Present work has been carried out by suspending graphene oxide nanoparticles in 50:50 Ethylene Glycol and RO-Water as base fluid. Experimentation is carried out by using three volume concentrations of the nanofluid (0.02%, 0.03% and 0.04%) and at different volumetric flow rates ranging from 3 to 6 LPM. Effect of volume concentration, inlet temperature and flow rate on Effectiveness, pressure drop and friction factor has been studied experimentally. Effectiveness versus NTU curves are plotted for further design calculations. The results show that the nanofluids will enhance the performance of an automobile radiator when compared with base fluid. Results also shows a maximum of 56.45% and 41.47% improvement in effectiveness for 0.03% volume concentration and 5 LPM flow rate at 40°C and 50°C inlet temperatures respectively.