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Enhancement of Thermal Energy Storage System Using Sensible Heat and Latent Heat Storage Materials

M. Chandra Sekhara Reddy*, T Reddy Lokesh**, K. Dharama Reddy***, P. Venkata Ramaiah****

* Head of Department of Mechanical Engineering, Sri Venkateswar College of Engineering, Tirupathi, A.P, India.

** Assistant Professor, Department of Mechanical Engineering, Sri Venkateswar College of Engineering, Tirupathi, A.P, India.

*** Assistant Professor, Department of Mechanical Engineering, Sri Venkateswar University College of Engineering, Tirupathi, A.P, India.

**** Associate Professor, Department of Mechanical Engineering, Sri Venkateswar University College of Engineering, Tirupathi, A.P, India.

Periodicity:May - July'2015
DOI : https://doi.org/10.26634/jme.5.3.3444

Abstract

Thermal energy storage plays a key role in the application of renewable energy sources and it contributes to the reduction of global CO₂ emissions. Thermal energy storage is commonly based on the sensible or latent-heat-storage techniques. Latent-heat thermal storage is based on the absorption or release of heat when a storage material is changing its phase. The thermal storage materials suitable for latent-heat storage are called Phase-Change Materials (PCMs). PCMs have considerably higher thermal-energy-storage densities than the sensible-heat-storage materials and they are able to absorb large quantities of energy in a small range of temperatures during the phase change. The present work investigates, experimentally, the thermal performance of Sensible heat storage materials (Gravel and Granite) and phase change materials (Paraffin wax and MnCl₂ .4H₂O). Water is the Heat Transfer Fluid (HTF) used for 2 2 transferring heat from the constant power source (An immersion water heater). A Series of charging (Storing heat) and Discharging (Process of heat loss) processes are conducted to examine the thermal energy storage capacity of each material used. The significance of time-wise variation of Sensible Heat Storage Materials (SHS) and Phase Change Materials (PCM) temperatures during the discharging process was studied and analyzed.

Keywords

Thermal Energy Storage, Sensible Heat, Latent Heat, Phase –Change Materials

How to Cite this Article?

Reddy, M. C. S., Lokesh, T. R., Reddy, K. D., and Venkataramaih, P. (2015). Enhancement of Thermal Energy Storage System Using Sensible Heat and Latent Heat Storage Materials. i-manager’s Journal on Mechanical Engineering, 5(3), 36-43. https://doi.org/10.26634/jme.5.3.3444

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Enhancement of Thermal Energy Storage System Using Sensible Heat and Latent Heat Storage Materials

Abstract

Keywords

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