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Optimization of Welding Process of Geomembranes in Biodigesters Using Design of Factorial Experiments

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  • Rocio Camarena-Martinez

    (Departamento de Estudios Multidisciplinarios, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato, Yuriria 38944, Guanajuato, Mexico)

  • Roberto Baeza-Serrato

    (Departamento de Estudios Multidisciplinarios, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato, Yuriria 38944, Guanajuato, Mexico)

  • Rocio A. Lizarraga-Morales

    (Departamento de Arte y Empresa, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato, Salamanca 36885, Guanajuato, Mexico)

Abstract

This research focuses on the optimization of the thermofusion process in the construction of biodigesters as it has a direct influence on their quality and durability. The study utilizes factorial experiments and statistical analysis, with particular emphasis on the innovative application of the arcsine transformation. Two 2 k factorial designs were developed to account for warm and cold weather. The experiments evaluated factors such as the operator’s experience, wedge sealing temperature, sealing speed, and extruder temperature. The effects on the response variables were analyzed, which included overheating, resistance, and leaks. The study identified significant influences of the operator and the temperature of the wedge sealer in warm weather conditions, while the operator’s influence remained prominent in resistance and leakage tests in cold weather. Data transformation techniques, including the arcsine transformation, were employed to ensure statistical validity. Optimal input variable combinations were identified to maximize resistance and minimize overheating and air leaks. The research emphasizes the importance of optimizing the thermofusion process for biodigester construction, highlighting the role of arcsine transformation in improving statistical analysis. The findings enable practitioners to make informed decisions, leading to improvements in welding processes and overall biodigester quality.

Suggested Citation

  • Rocio Camarena-Martinez & Roberto Baeza-Serrato & Rocio A. Lizarraga-Morales, 2023. "Optimization of Welding Process of Geomembranes in Biodigesters Using Design of Factorial Experiments," Energies, MDPI, vol. 16(18), pages 1-28, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:18:p:6583-:d:1238783
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    References listed on IDEAS

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    1. Rocio Camarena-Martinez & Rocio A. Lizarraga-Morales & Roberto Baeza-Serrato, 2021. "Classification of Geomembranes as Raw Material for Defects Reduction in the Manufacture of Biodigesters Using an Artificial Neuronal Network," Energies, MDPI, vol. 14(21), pages 1-13, November.
    2. Román-Ramírez, L.A. & Marco, J., 2022. "Design of experiments applied to lithium-ion batteries: A literature review," Applied Energy, Elsevier, vol. 320(C).
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