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Augmenting the potable water produced from single slope solar still using CNT-doped paraffin wax as energy storage: an experimental approach

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Journal of the Brazilian Society of Mechanical Sciences and Engineering Aims and scope Submit manuscript

Abstract

The present study aims to find the technical feasibility of recently evolved nanomaterial, i.e. carbon nanotubes (CNT), enhanced with paraffin as a novel energy storage material for desalination application. As a primary investigation, the thermo-mechanical properties like density, melting point, thermal conductivity, etc., of CNT enhanced paraffin were first analysed and then integrated with solar desalination application. Three solar desalination stills: (i) conventional solar still, (ii) solar still loaded with fossil paraffin and (iii) solar still loaded with CNT-doped paraffin were fabricated and experimented at Chennai, India (Lat. 13° 08′ N, Long. 80° 27′ E). From the investigation, it is inferred that there is a significant increase (of about 26%) observed in the thermal conductivity of CNT-doped paraffin as compared to fossil paraffin. The cumulative yield of the conventional still, solar still with paraffin and solar still with CNT enhanced paraffin was found to be 2.5 kg/m2, 3.4 kg/m2 and 5.8 kg/m2, respectively. There was 41.4% and 26.4% enhancement, respectively, observed in the daily yield of the solar still with CNT-doped paraffin as compared to conventional still and the still with virgin paraffin. The productivity efficiency was 46.45% for the still with CNT blended paraffin contributing to 24% and 19.6% increase in the efficiency as compared to the other two stills considered for experimentation in this study. Thus, it is concluded that CNT enhanced paraffin is identified as a better potential energy storage material as compared to conventional paraffin in solar desalination application.

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Authors and Affiliations

  1. Faculty of Engineering, Kuwait College of Science and Technology, Doha District, Kuwait

    Ali J. Chamkha

  2. Center of Excellence in Desalination Technology, King Abdulaziz University, Jeddah, 21589, Saudi Arabia

    Ali J. Chamkha

  3. Department of Thermal and Energy Engineering, School of Mechanical Engineering, Vellore Institute of Technology (VIT), Tamil Nadu, Vellore, 632014, India

    D. Dsilva Winfred Rufuss

  4. Mechanical Power Engineering Department, Faculty of Engineering, Tanta University, Tanta, Egypt

    A. E. Kabeel, Ravishankar Sathyamurthy & Mohammed Abdelgaid

  5. Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Arasur, Coimbatore, Tamil Nadu, India

    Ravishankar Sathyamurthy

  6. Department of Mechanical Engineering, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, Tamil Nadu, India

    A. Muthu Manokar

  7. Department of Mechanical Engineering, Velammal Institute of Technology, Chennai, Tamil Nadu, India

    B. Madhu

  8. Faculty of Engineering, Delta University for Science and Technology, Gamasa, Egypt

    A. E. Kabeel

Authors
  1. Ali J. Chamkha
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  2. D. Dsilva Winfred Rufuss
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  3. A. E. Kabeel
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  4. Ravishankar Sathyamurthy
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  5. Mohammed Abdelgaid
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  6. A. Muthu Manokar
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  7. B. Madhu
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Correspondence to Ravishankar Sathyamurthy.

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Technical Editor: Jader Barbosa.

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This article has been selected for a Topical Issue of this journal on Nanoparticles and Passive-Enhancement Methods in Energy.

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Chamkha, A.J., Rufuss, D.D.W., Kabeel, A.E. et al. Augmenting the potable water produced from single slope solar still using CNT-doped paraffin wax as energy storage: an experimental approach. J Braz. Soc. Mech. Sci. Eng. 42, 625 (2020). https://doi.org/10.1007/s40430-020-02703-w

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  • DOI: https://doi.org/10.1007/s40430-020-02703-w

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