John Gelegenis

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

John Gelegenis, Dimitris Georgakakis, İrini Angelidaki et al. · Renewable Energy · 2007 · 227 citations

Engineering, Bioenergy, Biogas +5

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

John Gelegenis, Dimitris Georgakakis, İrini Angelidaki et al. · Applied Energy · 2007 · 159 citations

Chemical Engineering, Engineering, Bioenergy +9

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

Ioannis Axaopoulos, Petros J. Axaopoulos, John Gelegenis · Applied Energy · 2014 · 71 citations

Engineering, Aerospace Engineering, Aerodynamics +5

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

Ioannis Axaopoulos, Petros J. Axaopoulos, Gregoris Panayiotou et al. · Energy · 2015 · 43 citations · Full text

Built Environment, Engineering, Architectural Engineering +7

Optimum external wall insulation thickness considering the annual CO₂ emissions

Ioannis Axaopoulos, Petros J. Axaopoulos, John Gelegenis et al. · Journal of Building Physics · 2018 · 32 citations

Engineering, Energy Efficiency, Green Building +17