International Journal of Energy and Environmental Science

Volume 5, Issue 4, July 2020

  • Evaluation of Liquid Film Thickness in Gas-Liquid Annular Flow in Horizontal Pipes Using Three Methods

    Osokogwu Uche

    Issue: Volume 5, Issue 4, July 2020
    Pages: 57-65
    Received: 04 March 2020
    Accepted: 23 March 2020
    Published: 03 September 2020
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    Abstract: Experimental investigations on annular flow film thickness were conducted using a closed-loop horizontal pipe with an internal diameter of 2-inch (0.0504m). The aim is to progress the understanding of such flow and facilitate the optimum design of hydrocarbon production systems were such flow is encountered. Liquid film thickness was extensively in... Show More
  • Impact of Climate Variability and Its Related Disease Prevalence on the Yield of Winter Wheat (Triticum Aestivum Lam) in South East Ethiopia

    Chala Abebe Aredo, Cherinet Seboka Ambaye

    Issue: Volume 5, Issue 4, July 2020
    Pages: 66-74
    Received: 06 February 2020
    Accepted: 04 March 2020
    Published: 07 September 2020
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    Abstract: Impacts of climate variability and disease prevalence on crop productivity (particularly wheat yield) are becoming major concern on their stable supply that affecting the livelihood of the farmers and consumers in South-East Ethiopia. The study was carried out with general objective to examine the effect of precipitation, temperature variation and ... Show More
  • Evaluating the Effects of Commonly Used Agro-Chemicals on the Health Status of A. Mellifera Scutellata in Southern Nations, Nationalities and Peoples' Region, Ethiopia

    Dinku Negash, Abebe Jenberie, Asaminew Tassew

    Issue: Volume 5, Issue 4, July 2020
    Pages: 74-80
    Received: 19 August 2020
    Accepted: 27 August 2020
    Published: 07 September 2020
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    Abstract: The study was conducted with the objective of to evaluate the potential effects of widely used agro-chemicals on the health status of Apis mellifera scutllata in Sidama zone, Southern Ethiopia. Seven different agro-chemicals (2, 4-D, Agrothoate 40% Malathion 50%, pyriban48%, Diazinon 60%, Macozeb 80% and Pallas 45 OD) were commonly applied on vario... Show More