American Journal of Energy Engineering

Volume 2, Issue 1, January 2014

  • Synthesis and Characterization of Biodiesel from Castor Bean as Alternative Fuel for Diesel Engine

    Molla Asmare, Nigus Gabbiye

    Issue: Volume 2, Issue 1, January 2014
    Pages: 1-15
    Received: 26 December 2013
    Published: 20 February 2014
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    Abstract: This paper deals with the transesterification of Ricinus Communis (RC) oil with methanol to produce biodiesel in the presence of KOH as a catalyst. Moreover, this study analysis the fuel properties of RC biodiesel and diesel fuel blend to use castor oil methyl ester as a possible alternative fuel for diesel engines. Various properties of the RC bio... Show More
  • Design of Cylindrical Fixed dome Bio Digester in the Condominium Houses for Cooking Purpose at Dibiza Site, East Gojjam, Ethiopia

    Molla Asmare

    Issue: Volume 2, Issue 1, January 2014
    Pages: 16-22
    Received: 2 January 2014
    Published: 20 February 2014
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    Abstract: Organic Waste is undesirable matter, which is most frequently generated by human activity that causes environmental pollution. Therefore, domestic biogas production is one of the most promising method of biomass wastes treatment because it provides a source of energy while simultaneously resolving ecological, environmental and agrochemical issues. ... Show More
  • Effects of Atmospheric Variables on the Performances of Parabolic Trough Concentrating Collector

    Sadik Umar, Umar Kangiwa Muhammad, Muhammad Mahmoud Garba, Hassan N. Yahya

    Issue: Volume 2, Issue 1, January 2014
    Pages: 23-26
    Received: 8 December 2013
    Published: 20 February 2014
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    Abstract: In recent years solar energy has been strongly promoted as a viable energy source. one of the most simplest and direct application of this energy is the conversion of solar radiation in to heat energy using a devices called sollar collectors [3].In order to enhance this conversion efficiency, important parameters that influence the system performan... Show More
  • Survey of Airflow around Multiple Buildings

    Ahmed A. Rizk, Gregor P. Henze

    Issue: Volume 2, Issue 1, January 2014
    Pages: 27-36
    Received: 13 January 2014
    Published: 28 February 2014
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    Abstract: This survey paper offers a review of past and present studies related to air flow around multiple building configurations to achieve energy savings and thermal comfort in hot climate regions in the presence of increased urbanization. The purpose of this review paper is to provide guidelines based on previous studies for the successful design of gro... Show More
  • Transitioning the Dominican Republic: Regimes, Niches and Scenarios

    Daniël Amrish Lachman

    Issue: Volume 2, Issue 1, January 2014
    Pages: 37-50
    Received: 15 November 2013
    Published: 28 February 2014
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    Abstract: Energy security in the Dominican Republic is far from acceptable; black-outs, high tariffs, politicized decisions etc. are common. Furthermore, the future outlook seems worse due to effects of the global economy, climate change, oil prices, further degradation of the existing system, etc. A transition towards sustainable alternatives is therefore m... Show More