All Stories

  1. An analytical study of critical factors in residential cogeneration optimization

    Article • Applied Energy, January 2016, Elsevier

    Professor John Joachim Gelegenis

  2. Optimal economic thickness of various insulation materials for different orientations of external walls considering the wind characteristics

    Article • Proceedings of the Institution of Civil Engineers - Energy, October 2015, Elsevier

    Professor John Joachim Gelegenis

  3. Heating Costs Allocation

    Article • Management of Environmental Quality An International Journal, September 2015, Emerald

    Professor John Joachim Gelegenis

  4. Optimization of resdiential cogeneration.

    Article • Energy Procedia, August 2015, Elsevier

    Professor John Joachim Gelegenis

  5. An Advanced eLearning Environment Developed for Engineering Learners

    Article • International Journal of Emerging Technologies in Learning (iJET), June 2015, International Association of Online Engineering (IAOE)

    Professor John Joachim Gelegenis

  6. Residential cogeneration of heat and power: a promising way to sustainability, a challenging field for tutors

    Article • International Journal of Higher Education and Sustainability, January 2015, Inderscience Publishers

    Professor John Joachim Gelegenis

  7. Optimum insulation thickness for external walls on different orientations considering the speed and direction of the wind

    Article • Applied Energy, March 2014, Elsevier

    Professor John Joachim Gelegenis

  8. Energy engineering: an emerging discipline

    Article • January 2014, Elsevier

    Professor John Joachim Gelegenis

  9. Monitoring the Text Comprehension of Students for Profiling in ReTuDiS

    Article • Journal of Information Technology and Application in Education, January 2013, Science and Engineering Publishing Company

    Professor John Joachim Gelegenis

  10. Annual heating degree-days for any region at any base temperature

    Article • International Journal of Green Energy, July 2010, Taylor & Francis

    Professor John Joachim Gelegenis

  11. A simplified quadratic expression for the approximate estimation of heating degree-days to any base temperature

    Article • Applied Energy, October 2009, Elsevier

    Professor John Joachim Gelegenis

  12. Use of a probabilistic model to design energy transmission and distribution networks for low enthalpy geothermal multiple use schemes

    Article • Applied Energy, March 2009, Elsevier

    Professor John Joachim Gelegenis

  13. Optimization of biogas production by co-digesting whey with diluted poultry manure

    Article • Renewable Energy, October 2007, Elsevier

    Professor John Joachim Gelegenis

  14. Optimization of biogas production from olive-oil mill wastewater, by codigesting with diluted poultry-manure

    Article • Applied Energy, June 2007, Elsevier

    Professor John Joachim Gelegenis

  15. Heating of a fish wintering pond using low-temperature geothermal fluids, Porto Lagos, Greece

    Article • Geothermics, February 2006, Elsevier

    Professor John Joachim Gelegenis

  16. Rapid estimation of geothermal coverage by district-heating systems

    Article • Applied Energy, April 2005, Elsevier

    Professor John Joachim Gelegenis

  17. Analysis of Muskingum Equation Based Flood Routing Schemes

    Article • Journal of Hydrologic Engineering, January 2000, American Society of Civil Engineers (ASCE)

    Professor John Joachim Gelegenis

  18. Estimation of hourly temperature data from their monthly average values:

    Article • Renewable Energy, September 1999, Elsevier

    Professor John Joachim Gelegenis

  19. A numerical method for the solution of geothermal reservoir model equations

    Article • Geothermics, January 1989, Elsevier

    Professor John Joachim Gelegenis