Study of Combined Effect of Inclination and Partial Fins on Melting of Phase Change Material in A Rectangular Enclosure Using CFD
This study presents the combined effect of inclination and internal fins on the melting rate of PCM in a rectangular enclosure (8.89cm×6.35cm). The rectangular enclosure has a hot wall with a temperature of 311K, a cold wall with a temperature of 301.3K and the other two walls are insulated. Gallium with very low Prandtl number is taken as the PCM in this study. First, the individual effects of different inclinations (0⁰, 45⁰ and 90⁰) of the enclosure on melting rate of PCM are studied followed by the study of the effect of internal fins. Then we provide a combined environment of inclination and partial fins and obtain the results of liquid fraction, velocity contours and temperature distributions. Plots for the liquid fraction and average temperatures with respect to time are also obtained. Finally, the results and plots of the combined effect are compared with those of other conditions. From the comparison, we conclude that the combined effect of inclination and partial fins under constant normal gravity condition greatly enhances the heat transfer in PCM.
- Liu, M.; Saman, W.; Bruno, F., (2012). Development of a novel refrigeration system for refrigerated trucks incorporating phase change material. Energy., 92, 336–342.
- Pistocchini, L.; Motta, M., (2011). Feasibility study of an innovative dry-cooling system with phase-change material storage for concentrated solar power multi-MW size power plant. of Solar Energy Engineering., 133( 3), pp: 10.
- Stritih, U.; Butala, V., (2010).Experimental investigation of energy saving in buildings with PCM cold storage. Int. J. Refrig., 33 , 1676–1683.
- Arunkumar, T.; Denkenberger, D.; Ahsan, A.; Jayaprakash, R., (2013) The augmentation of distillate yield by using concentrator coupled solar still with phase change material. Desalination, 314 , 189–192.
- Kandasamy, R.; Wang, X., Mujumdar, A.S., (2007). Application of phase change materials in thermal management of electronics. Appl. Therm. Eng., 27 , 2822–2832.
- Varol, Y.; Okcu, M., (2013). Numerical investigation of fins effect for melting process of phase change materials. ASME 2013 International Mechanical Engineering Congress and Exposition, San Diego, California, USA, November 15-21, 2013.
- Liu, M,; Saman, W.; Bruno, F., (2014). Review on storage materials and thermal performance enhancement techniques for high temperature phase change thermal storage systems. Renewable and Sustainable Energy Reviews., 16 ( 4), 2118-2132.
- Agyenim, F.; Hewitt, N.; Eames, P.; Smyth, M.,(2010) A review of materials, heat transfer and phase change problem formulation for latent heat thermal energy storage systems (LHTESS). Renewable and Sustainable Energy Reviews., 14 (2), 615-628.
- Hossein Shokouhmand.,(2014). Experimental investigation of phase change material melting in rectangular enclosures with horizontal partial fins. International Journal of Heat and Mass Transfer., 78 , 839–851.
- Babak Kamkari, Hossein Shokouhmand.; Frank Bruno., (2014) Experimental investigation of the effect of inclination angle on convection-driven melting of phase change material in a rectangular enclosure. International Journal of Heat and Mass Transfer., 72, 186–200.
- Brent, A.; Voller, V.; Reid, K.T.J., (1988) Enthalpy-porosity technique for modeling convection-diffusion phase change: Application to the melting of a pure metal. Numerical Heat Transfer-part A., 13 (3), 297-318.
Copyright (c) 2018 Dasari Kondal Rao, Srinivas Kolla, C Tara Sasanka, D Samer Kumar
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Author(s) retains full copyright of their article and grants non-exclusive publishing right to this journal and its publisher “AIJR (India)”. Author(s) can archive pre-print, post-print and published version/PDF to any open access, institutional repository, social media or personal website provided that Published source must be acknowledged with citation and link to publisher version.
Click here for more information on Copyright policy
Click here for more information on Licensing policy