Analysis of Paraffin Wax as a Phase Change Material

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P Vinod Kumar Naidu and Ajay M Nair Charging and Discharging Period Analysis of Myristic Acid as Phase Change Material Fig5 (b) during the (b) PCM temperature vs storing time pure Paraffin wax During the charging process, the Paraffin wax took around 3 hours and 5minutes and the discharge process comparatively long duration than that of charging process i.e. 15 hours and 28 minutes and still the temperature is around 49.0355°C and still the a lot of energy is stored in the sample as the storage duration prolongs the sample releases the heat energy In order to improve the performance of the Paraffin wax by adding suitable amount of micro or nano particles in to it, the care should be taken that the micro and nano particles disperses homogenously throughout the sample otherwise the micro or nano particle settle at the bottom experimentation References Jian-you Long (2008), Investigation for Heat Transfer in Triplex Concentric Tube with Phase Change Material for Thermal Energy Storage, Solar Energy,Vol. 82, pp. 977-985. Hoshi A, Mills DR, Bittar A, Saitoh TS (2005) Screening of high melting point phase change materials (PCM) in solar thermal concentrating technology based on CLFR. Sol Energy;79:332–9. Castell, M. Belusko, F. Bruno, L.F. Cabeza (2011), Maximisation of heat transfer in a coil in storage unit PCM cold storage system, Appl. Energy 88, 4120–4127. Halawa E. and Saman W. (2011), Thermal Performance Analysis of A Phase Change Thermal Storage Unit for Space Heating’’, Renewable Energy, Vol. 36, pp. 259-264. J.P.A. Lopez, F. Kuznik, D. Baillisc, J. Virgone (2013), Numerical modeling and experimental validation of a PCM to air heat exchanger, Energy Build. 64, 415–422. Li Yongcai, Li Shuli, Experimental study on thermal performance of a solar chimney combined with PCM, Applied Energy 114 (2014) 172–178. Al-Kayiem H Hussain, Saw C. Lin (2014), Performance evaluation of a solar water heater integrated with a PCM nanocomposite TES at various inclinations, Solar Energy 109, 82–92 Mahfuz M H, Anisur M R, Kibria M A, Saidur R (2014), Metselaar I H S C, Performance investigation of thermal energy storage system with Phase Change Material (PCM) for solar water heating application, International Communications in Heat and Mass Transfer 57, 132–139 Kabeel A E, Abdelgaied Mohamed (2016), Improving the performance of solar still by using PCM as a thermal storage medium under Egyptian condition, Desalination 383, 22–28. Fig 6 Condition of Paraffin wax during discharging For storing period analysis Paraffin wax sample were kept in the storage box for 15 hours and 28 minutes and the variation in temperature was analysed. The temperature drop of pure Paraffin wax during at the end of 15hours and 28 minutes of storage was found to be 49.0355°C the variation of PCM temperatures with time during storing of pure is shown above Conclusions The performance analysis of pure Paraffin was done and this work presents the experimental study of the charging and discharging process of the LHTES. The following conclusions can be drawn from the results: Numerical and Experimental View publication stats 55| International Journal of Current Engineering and Technology, Vol.8, No.1 (Jan/Feb 2018)

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