Science Journal of Energy Engineering

Volume 9, Issue 4, December 2021

  • Evaluation Methodology for Pre-Mining Potentiaity for Mineral Deposits

    Davaasambuu Nachin

    Issue: Volume 9, Issue 4, December 2021
    Pages: 42-50
    Received: 6 August 2021
    Accepted: 19 August 2021
    Published: 30 October 2021
    Abstract: Here we introduce "Pre-mining potentiality of mineral deposit" and gets marked "Ppm" under this methodology, which comprehensively represents the mining and geological conditions in the crust, the geologic parameters, study and calculation of mineral reserves, mining method, moreover assessments of other studies such as for operation, location and ... Show More
  • Unconventional Gases Between the Environmental and Energy Crises

    Azmy Muhammad Abdul-Jalil Al-Ghaish, Aliaa Mohammed Abdul Jalil Al Ghaish

    Issue: Volume 9, Issue 4, December 2021
    Pages: 51-58
    Received: 15 April 2021
    Accepted: 4 June 2021
    Published: 5 November 2021
    Abstract: The sudden advancement in the technology of unconventional gas production, especially in the United States, has aroused the interest of those interested in energy affairs, as this technical progress allowed greater economic contact with the supply of conventional natural gas, especially with the achievement of large-scale production of unconvention... Show More
  • Energetic Valorization of Eichhornia crassipes and Pistia stratiotes by Methane Production in an Anaerobic Co-digestion Process

    Pierre Ntakiyiruta, Bi Gouessé Henri Briton, Pierre Claver Mpawenayo, David Nahimana, Christophe Niyungeko, Kouassi Benjamin Yao, Gaspard Ntakimazi

    Issue: Volume 9, Issue 4, December 2021
    Pages: 59-69
    Received: 13 October 2021
    Accepted: 1 November 2021
    Published: 10 November 2021
    Abstract: Eichhornia crassipes and Pistia stratiotes are often used in phytoremediation of wastewater. Nevertheless, these macrophytes must be renewed after use to avoid recontamination of treated wastewater by dead plants. This study aims to produce of energy from a mixture of these two macrophyte es by anaerobic co-digestion in the presence of the activate... Show More
  • Simulation of the Power Flow State of the Main Electrical Distribution Grid of Abomey-Calavi (BENIN) and Lomé Golfe (TOGO)

    Yendoubé Lare, Koffi Sagna, Alphonse Déssoudji Gboglo, Pidenam Takouda, Kossi Napo

    Issue: Volume 9, Issue 4, December 2021
    Pages: 70-78
    Received: 23 October 2021
    Accepted: 13 November 2021
    Published: 27 November 2021
    Abstract: This work consists in a simulation study of the power flow state of the electricity distribution grid of Abomey-Calavi and the Lome Golfe. For this purpose, the CYME software was used to construct the single line diagrams of each grid based on the actual modeled parameters and data of the generators, busbars, transformers, lines and loads of the ne... Show More
  • Short-Circuit Photocurrent Density Determination of Chalcopyrite Solar Cells and Study of Basic Parameters Under AM0, AM1, AM1.5 Spectra

    El Hadji Mamadou Keita, Abdoul Aziz Correa, Issa Faye, Chamsdine Sow, Cheikh Sene, Babacar Mbow

    Issue: Volume 9, Issue 4, December 2021
    Pages: 79-89
    Received: 28 October 2021
    Accepted: 30 November 2021
    Published: 11 December 2021
    Abstract: In this work we present a method to evaluate the short-circuit photocurrent density delivered by a solar cell by and study basic parameters which are at the origin of the latter by considering the solar spectra AM0, AM1 and AM1.5. This photocurrent density is the greatest current density that the cell can supply according to the considered paramete... Show More