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

Rocio Camarena-Martinez, Roberto Baeza-Serrato () and Rocio A. Lizarraga-Morales
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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

Energies, 2023, vol. 16, issue 18, 1-28

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.

Keywords: biodigesters; design of experiments; factorial designs; geomembranes; optimization; thermofusion process (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:16:y:2023:i:18:p:6583-:d:1238783

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