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Numerical Investigation on Modified Solar Still by Mounting Baffle

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Energy and Exergy for Sustainable and Clean Environment, Volume 1

Part of the book series: Green Energy and Technology ((GREEN))

Abstract

Now a days, vigorous population growth, sudden climatic changes and etc. leads to drinking water scarcity, thus becoming challenging task to researchers as days pass on. Addition to that non-renewable energy crisis mandates the use of renewable energy and mainly solar which is abundantly available and cost free in production in desalination which increasing sustainability. Due to less production rate of solar stills, many researchers are contributing to increase by optimizing different parameters. Research had been done in optimizing the partitioned at bottom and at top in solar still to increase its performance and flow pattern. In this research, the baffle is introduced inside the partitioned solar still and analyzing the flow pattern before and after introducing the baffle. First, the solar still is analyzed without baffle and compared with introducing baffle and furthermore by introducing in modified stills. It will be then analyzed and the changes in productivity recorded. As the amount of Rayleigh number raises the solar still productivity may progressively increase as it is changed at the condensing surface into multiple curves. But the performance of the still with baffle is way far low than the still without baffle because the flow alignment/confinement can only be done in one side of the still and not in both the sides of the still.

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Abbreviations

B H :

Baffle height (m)

g :

Gravitational pull (m/s2)

H :

Height (m)

h :

Convective heat transfer coefficient (\(\frac{{\text{W}}}{{{\text{K}}\,{\text{m}}^2 }}\))

k :

Thermal conductivity (\(\frac{{\text{W}}}{{{\text{K}}\,{\text{m}}}}\))

L :

Characteristic length (m)

L L :

Separation between the walls (m)

L H :

Left side height (m)

Nu:

Nusselt number

T :

Surface temperature (K)

T T :

Temperature at top (°C)

T B :

Temperature at bottom (°C)

Ra:

Rayleigh number

R H :

Right side height (m)

β :

Thermal expansion coefficient (K−1)

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Acknowledgements

We fully value the available modelling and simulation tools from SRMIST, the Department of Mechanical Engineering’s Product Development Laboratory and CFD Laboratory.

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Authors and Affiliations

  1. Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, India

    Shaik Subhani & Rajendran Senthil Kumar

Authors
  1. Shaik Subhani
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  2. Rajendran Senthil Kumar
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Corresponding author

Correspondence to Rajendran Senthil Kumar .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul, Turkey

    V. Edwin Geo

  2. Université Polytechnique Hauts-de-France, LAMIH UMR CNRS 8201, INSA Hauts-de-France,, Valenciennes, France

    Fethi Aloui

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Subhani, S., Senthil Kumar, R. (2022). Numerical Investigation on Modified Solar Still by Mounting Baffle. In: Edwin Geo, V., Aloui, F. (eds) Energy and Exergy for Sustainable and Clean Environment, Volume 1. Green Energy and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-16-8278-0_4

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  • DOI: https://doi.org/10.1007/978-981-16-8278-0_4

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-8277-3

  • Online ISBN: 978-981-16-8278-0

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