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Performance modeling of fin‐enhanced phase change material solar stills using MATLAB: A numerical approach.

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Title: Performance modeling of fin‐enhanced phase change material solar stills using MATLAB: A numerical approach.
Authors: Deore, Kailas1 (AUTHOR) kailas.deore@rcpit.ac.in, Salunke, Nilesh2 (AUTHOR), Pawar, Sudhakar1 (AUTHOR), Pathak, Yogeshkumar3 (AUTHOR), Khatik, Juber3 (AUTHOR)
Source: Environmental Progress & Sustainable Energy. Jan/Feb2026, Vol. 45 Issue 1, p1-19. 19p.
Subject Terms: *Solar stills, *Saline water conversion, *Heat storage, Phase change materials, Heat transfer, Numerical analysis, Distillation
Reviews & Products: MatLab (Computer software)
Abstract: Scarcity of clean water is one of the world's most pressing challenges, particularly in remote and arid regions. Solar stills for desalination is a renewable and cost effective method of producing fresh water from sea water. This study presents a dynamic numerical analysis of a pyramid‐shaped solar still integrated with phase change material (PCM), using a transient MATLAB model. The model also uses a 2D finite difference approach to simulate the heat conduction process of PCM and air zones to predict the temperature field in the domain. The latent heat effect is modeled by enthalpy method, which can help to predict the phase change behavior of the PCM. MATLAB was used to build the full numerical model, which includes the empirical correlations, the experimental parameters, and the transient input data of solar radiation and ambient temperature for an hour‐by‐hour basis for 24 h. This involves a one‐dimensional transient heat and mass transfer analysis of the solar radiation, basin water, glass cover, ambient air, and the PCM layer. The fin enhanced PCM (FPCMs) configuration at 2 cm depth achieved the highest cumulative distillation (7.3 kg/m2), confirming the advantage of combining thermal storage and extended heat transfer surfaces. Simulation results are the time dependent temperature of water, the temperature of the glass cover and PCM, hourly efficiency, evaporative heat losses and the distillate output for a day. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: GreenFILE
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  Label: Title
  Group: Ti
  Data: Performance modeling of fin‐enhanced phase change material solar stills using MATLAB: A numerical approach.
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  Data: <searchLink fieldCode="AR" term="%22Deore%2C+Kailas%22">Deore, Kailas</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kailas.deore@rcpit.ac.in</i><br /><searchLink fieldCode="AR" term="%22Salunke%2C+Nilesh%22">Salunke, Nilesh</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pawar%2C+Sudhakar%22">Pawar, Sudhakar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pathak%2C+Yogeshkumar%22">Pathak, Yogeshkumar</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Khatik%2C+Juber%22">Khatik, Juber</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Progress+%26+Sustainable+Energy%22">Environmental Progress & Sustainable Energy</searchLink>. Jan/Feb2026, Vol. 45 Issue 1, p1-19. 19p.
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  Data: *<searchLink fieldCode="DE" term="%22Solar+stills%22">Solar stills</searchLink><br />*<searchLink fieldCode="DE" term="%22Saline+water+conversion%22">Saline water conversion</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+storage%22">Heat storage</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+change+materials%22">Phase change materials</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Distillation%22">Distillation</searchLink>
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  Label: Abstract
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  Data: Scarcity of clean water is one of the world's most pressing challenges, particularly in remote and arid regions. Solar stills for desalination is a renewable and cost effective method of producing fresh water from sea water. This study presents a dynamic numerical analysis of a pyramid‐shaped solar still integrated with phase change material (PCM), using a transient MATLAB model. The model also uses a 2D finite difference approach to simulate the heat conduction process of PCM and air zones to predict the temperature field in the domain. The latent heat effect is modeled by enthalpy method, which can help to predict the phase change behavior of the PCM. MATLAB was used to build the full numerical model, which includes the empirical correlations, the experimental parameters, and the transient input data of solar radiation and ambient temperature for an hour‐by‐hour basis for 24 h. This involves a one‐dimensional transient heat and mass transfer analysis of the solar radiation, basin water, glass cover, ambient air, and the PCM layer. The fin enhanced PCM (FPCMs) configuration at 2 cm depth achieved the highest cumulative distillation (7.3 kg/m2), confirming the advantage of combining thermal storage and extended heat transfer surfaces. Simulation results are the time dependent temperature of water, the temperature of the glass cover and PCM, hourly efficiency, evaporative heat losses and the distillate output for a day. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental Progress & Sustainable Energy is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/ep.70197
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 19
        StartPage: 1
    Subjects:
      – SubjectFull: Solar stills
        Type: general
      – SubjectFull: Saline water conversion
        Type: general
      – SubjectFull: Heat storage
        Type: general
      – SubjectFull: Phase change materials
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Numerical analysis
        Type: general
      – SubjectFull: Distillation
        Type: general
      – SubjectFull: MatLab (Computer software)
        Type: general
    Titles:
      – TitleFull: Performance modeling of fin‐enhanced phase change material solar stills using MATLAB: A numerical approach.
        Type: main
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          Name:
            NameFull: Deore, Kailas
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            NameFull: Salunke, Nilesh
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            NameFull: Pawar, Sudhakar
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            NameFull: Pathak, Yogeshkumar
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            NameFull: Khatik, Juber
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            – D: 01
              M: 01
              Text: Jan/Feb2026
              Type: published
              Y: 2026
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              Value: 45
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            – TitleFull: Environmental Progress & Sustainable Energy
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