A numerical method for the solution of geothermal reservoir model equations
J.J. Gelegenis , V.A. Lygerou , N.G. Koumoutsos
Geothermics 18 ( 3) 377 -391
1
1989
Estimation of hourly temperature data from their monthly average values: case study of Greece
J.J. Gelegenis
Renewable Energy 18 ( 1) 49 -60
11
1999
Undergraduate studies in energy education – A comparative study of Greek and British courses
J.J. Gelegenis , D.J. Harris
Renewable Energy 62 349 -352
15
2014
Energy engineering: an emerging discipline
D.J. Harris , J.J. Gelegenis
Engineering Education#R##N#Curriculum, Pedagogy and Didactic Aspects 145 -163
2014
A student diagnosing and evaluation system for laboratory-based academic exercises
Grammatiki Tsaganou , Nikolaos Tselikas , Emmanouil Fylladitakis , Pantelis Prentakis
Society for Information Technology & Teacher Education International Conference 2013 ( 1) 4038 -4043
2
2013
Residential cogeneration of heat and power: a promising way to sustainability, a challenging field for tutors
Petros Axaopoulos , John Gelegenis
The International Journal of Higher Education
2
2015
Optimum external wall insulation thickness considering the annual CO2 emissions
Ioannis Axaopoulos , Petros Axaopoulos , John Gelegenis , Emmanouil D Fylladitakis
Journal of Building Physics 42 ( 4) 527 -544
8
2019
Technical and economic assessment of geothermal soil heating systems in row covered protected crops: A case study from Greece
Paschalis Dalampakis , John Gelegenis , Andreas Ilias , Angelos Ladas
Applied Energy 203 201 -218
6
2017
An analytical study of critical factors in residential cogeneration optimization
John Gelegenis , George Mavrotas
Applied Energy 185 1625 -1632
7
2017
Optimum insulation thickness for external walls on different orientations considering the speed and direction of the wind
Ioannis Axaopoulos , Petros Axaopoulos , John Gelegenis
Applied Energy 117 167 -175
47
2014
A Multi-Parametric Mathematical Approach on the Selection of Optimum Insulation Thicknesses in Buildings
John Gelegenis , Petros Axaopoulos
Buildings 7 ( 1) 15
4
2017
Optimum Sizing of Residential Cogeneration for Prefeasibility Estimations. An Analytical Approach
John Gelegenis , George Mavrotas
Energy Procedia 75 993 -998
1
2015
Monitoring the Text Comprehension of Students for Profiling in ReTuDiS
Maria Samarakou , Grammatiki Tsaganou , Andreas Papadakis , John Gelegenis
Journal of Information Technology and Application in Education 2 ( 4) 132
3
2013
Paying or saving? The Greek drama that leads to achievement of Sustainable Development Goals (SDGs)
John Gelegenis , Evanthie Michalena
Higher Education and Sustainability 169 -195
2019
Rapid estimation of geothermal coverage by district-heating systems
John Gelegenis
Applied Energy 80 ( 4) 401 -426
7
2005
Optimization of biogas production from olive-oil mill wastewater, by codigesting with diluted poultry-manure
John Gelegenis , Dimitris Georgakakis , Irini Angelidaki , Nicholetta Christopoulou
Applied Energy 84 ( 6) 646 -663
117
2007
Optimization of biogas production by co-digesting whey with diluted poultry manure
John Gelegenis , Dimitris Georgakakis , Irini Angelidaki , Vassilis Mavris
Renewable Energy 32 ( 13) 2147 -2160
161
2007
Heating of a fish wintering pond using low-temperature geothermal fluids, Porto Lagos, Greece
John Gelegenis , Paschalis Dalabakis , Andreas Ilias
Geothermics 35 ( 1) 87 -103
12
2006
Optimal economic thickness of various insulation materials for different orientations of external walls considering the wind characteristics
Ioannis Axaopoulos , Petros Axaopoulos , Gregoris Panayiotou , Soteris Kalogirou
Energy 90 939 -952
17
2015
Energy management in the domestic sector–Peculiarities and chances in the Greek case
John Gelegenis , George Mavrotas , George Giannakidis
Petros Axaopoulos Maria Samarakou Dimitris Georgakakis Irini Angelidaki Emmanouil D. Fylladitakis Ioannis Axaopoulos PASCHALIS DALAMPAKIS George Mavrotas Soteris Kalogirou Andreas Papadakis Wolf-Gerrit Früh Antonis Hatziapostolou Maria Grigoriadou Nikolaos D. Tselikas Athinaios Spyridon Gregoris P. Panayiotou