Archive:: Science Journal of Energy Engineering:: Science Publishing Group

Volume 5, Issue 2, April 2017

Analysis of Failure Modes Effect and Criticality Analysis (FMECA): A Stand-Alone Photovoltaic System

Omar Ngala Sarr, Fabe Idrissa Barro, Oumar Absatou Niasse, Fatou Dia, Nacir Mbengue, Bassirou Ba, Cheikh Sene

Issue: Volume 5, Issue 2, April 2017

Pages: 40-47

Received: 24 February 2017

Accepted: 8 March 2017

Published: 27 March 2017

DOI: 10.11648/j.sjee.20170502.11

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Abstract: This study deals with the implementation of a methodological guide for the maintenance of photovoltaic systems in Senegal. Typical PV systems components are photovoltaic panels, and inverter, a regulator, connecting cables and the battery; so Failure Modes Effect and Criticality Analysis (FMECA) is performed on the PV system in order to increase th... Show More

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Statistical Optimization of Lipid Extraction from Wastewater Scum Sludge and Saponifiable Lipids Composition Analysis

Samir N. Hag Ibrahim

Issue: Volume 5, Issue 2, April 2017

Pages: 48-57

Received: 31 March 2017

Accepted: 11 April 2017

Published: 18 October 2017

DOI: 10.11648/j.sjee.20170502.12

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Abstract: In the present study, Design of Experiment (DoE) as a statistical method was adopted for optimizing conditions for lipid extraction from scum sludge. Four different extraction variables were investigated: methanol to hexane ratio (%), solvent to sludge ratio (ml/g), temperature (°C), and extraction time (h). During the optimization process, saponif... Show More

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