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Analysis of natural convective heat transfer of nano coated aluminium fins using Taguchi method |
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| Authors: | R Senthilkumar A J D Nandhakumar S Prabhu |
| Institution: | 1. School of Mechanical Engineering, SRM University, Chennai, 603203, India 2. Indian Institute of Information Technolgy Design and Manufacturing, Kancheepuram, 600127, India 3. Department of Automobile Engineering, Rajalakshmi Engineering College, Chennai, 602105, India |
| Abstract: | Rectangular aluminium fins were preferred for analysis and coated by carbon nano tubes using PVD to enhance the heat transfer rate of fins. Convective heat transfer rates for coated and non-coated surfaces were calculated and compared. The temperature and heat transfer characteristics were investigated using Nusselt, Grashof, Prandtl and Rayleigh numbers and also optimized by Taguchi method and ANOVA analysis. The average percentage of increase in fin efficiency is 5 %. |
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