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Performance evaluation on solar still integrated with nano-composite phase change materials

  • Solar Power Plants and Their Application
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Abstract

This paper communicates the performance evaluation of single slope solar still integrated with nano-composite phase change materials and compare with the experimental results of with and without phase change materials. A solar still with 1 m2 surface area is developed with non-selective coating of absorber sheet with the provision of thermal energy storage materials. The solar still is tested on typical days with and without thermal energy storage materials. It is found that from the experimental studies that nano-materails (Al2O3) dispersed in paraffin wax is giving better cumulative yield of distillate than paraffin wax alone and without paraffin wax thermal storage. The daily efficiency of the solar still is computed for solar still with nano-composite phase change materials is 45% and solar still paraffin wax alone thermal storage is 40% and solar still without any thermal storage is 38%. It is concluded from the experimental studies; solar still integrated with nano-composite phase change materials gives better performance than with and without phase change material alone.

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Authors and Affiliations

  1. BTL Institute of Technology, Bengaluru, Karnataka, India

    G. Rajasekhar

  2. ACS College of Engineering, Bengaluru, Karnataka, India

    M. Eswaramoorthy

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  1. G. Rajasekhar
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  2. M. Eswaramoorthy
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Correspondence to M. Eswaramoorthy.

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Rajasekhar, G., Eswaramoorthy, M. Performance evaluation on solar still integrated with nano-composite phase change materials. Appl. Sol. Energy 51, 15–21 (2015). https://doi.org/10.3103/S0003701X15010119

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  • DOI: https://doi.org/10.3103/S0003701X15010119

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