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All Journal Mechanical Engineering for Society and Industry
Syamsul Hadi
Universitas Sebelas Maret, Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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The new modification of a solar still chamber with hollow glass: An experimental comparison between perpendicular and inline hollow glass configurations Eko Prasetya Budiana; Muhamad Dwi Septiyanto; Satria Auliansyah; Naufal Rizky Sayyid; Indri Yaningsih; Syamsul Hadi
Mechanical Engineering for Society and Industry Vol 5 No 2 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.13238

Abstract

Researchers around the world are conducting comprehensive studies on conventional single-slope solar stills (CS4). Recent trends have focused on minimizing heat loss and improving the productivity of these systems, particularly through modifications to the CS4 chamber. This present study examines the modified chambers of solar stills utilizing Perpendicular Hollow Glass Solar Still (PHGSS) and Inline Hollow Glass Solar Still (IHGSS). It provides a comprehensive analysis of the enhancements, highlighting key aspects such as productivity, energy balance, and efficiency, as well as introducing a potential new condensation site. To ensure accuracy and reliability, the results are validated using the coefficient he/hc from a previous study, which reported a margin of error of 7.76%. The application of hollow glass has proven its ability to produce distillate condensation due to the temperature gradient present between the inner surface of the hollow glass and the cavity it encloses. Moreover, the production and efficiency of both inline and perpendicular hollow glass highly exceeds those of conventional CS4.
Energy, exergy, and economic (3E) of a single slope solar still by integrating hollow circular fins and soybean wax as a thermal energy storage system Irfan Santosa; Muhamad Dwi Septiyanto; Solikin Andriyanto; Eko Prasetya Budiana; Syamsul Hadi
Mechanical Engineering for Society and Industry Vol 6 No 1 (2026): Issue in Progress
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.15162

Abstract

Energy, exergy, and economic value are examined for the efficiency and sustainability of a unique design for a single-slope solar still that utilizes hollow cylindrical fins and soybean wax as a phase change material (PCM). The three cases outlined, among others: case 1, a conventional single slope solar still (CS4); case 2, with hollow cylindrical fins (HCFS4), and case 3 with hollow cylindrical fins and soybean wax as PCM (HCFSWS4). Performance experimental evaluations of the three cases under the same meteorological conditions ensure a fair comparison of their performances and are carried out for 5 days of testing. The experimental results show that the distillate water yield over five days is 0.986 L/m2/day, 1.243 L/m2/day, and 1.364 L/m2/day for cases 1, 2, and 3, respectively. Also, the maximum energy efficiencies of cases 1, 2, and 3 are 48.9%, 66.1%, and 77.6%, respectively. It is observed that the average exergy efficiency in cases 1,2, and 3 is 33%, 40%, and 42%, respectively. Furthermore, economic analysis findings revealed that the costs per liter per square meter for cases 1, 2, and 3 are 0.06$/L/m2, 0.05$/L/m2, and 0.05$/L/m2, respectively.
Co-Authors Eko Prasetya Budiana Indri Yaningsih Irfan Santosa Muhamad Dwi Septiyanto Naufal Rizky Sayyid Satria Auliansyah Solikin Andriyanto