| Wind energy potential assessment in Naxos Island, Greece I Fyrippis, PJ Axaopoulos, G Panayiotou Applied energy 87 (2), 577-586, 2010 | 309 | 2010 |
| Simulation and experimental performance of a solar-heated anaerobic digester P Axaopoulos, P Panagakis, A Tsavdaris, D Georgakakis Solar Energy 70 (2), 155-164, 2001 | 157 | 2001 |
| Design and experimental performance of a PV Ice-maker without battery PJ Axaopoulos, MP Theodoridis Solar energy 83 (8), 1360-1369, 2009 | 91 | 2009 |
| Optimum insulation thickness for external walls on different orientations considering the speed and direction of the wind I Axaopoulos, P Axaopoulos, J Gelegenis Applied Energy 117, 167-175, 2014 | 88 | 2014 |
| Performance and economic evaluation of a hybrid photovoltaic/thermal solar system for residential applications PJ Axaopoulos, ED Fylladitakis Energy and Buildings 65, 488-496, 2013 | 79 | 2013 |
| Accuracy analysis of software for the estimation and planning of photovoltaic installations PJ Axaopoulos, ED Fylladitakis, K Gkarakis International Journal of Energy and Environmental Engineering 5, 1-7, 2014 | 74 | 2014 |
| An experimentally validated, transient model for sheet and tube PVT collector E Sakellariou, P Axaopoulos Solar Energy 174, 709-718, 2018 | 70 | 2018 |
| Energy and economic analysis of biogas heated livestock buildings P Axaopoulos, P Panagakis Biomass and Bioenergy 24 (3), 239-248, 2003 | 67 | 2003 |
| PVT based solar assisted ground source heat pump system: Modelling approach and sensitivity analyses EI Sakellariou, AJ Wright, P Axaopoulos, MA Oyinlola Solar Energy 193, 37-50, 2019 | 47 | 2019 |
| Optimal economic thickness of various insulation materials for different orientations of external walls considering the wind characteristics I Axaopoulos, P Axaopoulos, G Panayiotou, S Kalogirou, J Gelegenis Energy 90, 939-952, 2015 | 46 | 2015 |
| Simulation and experimental performance analysis of a modified PV panel to a PVT collector E Sakellariou, P Axaopoulos Solar Energy 155, 715-726, 2017 | 36 | 2017 |
| Effect of wall orientation on the optimum insulation thickness of a growing-finishing piggery building P Axaopoulos, P Panagakis, I Axaopoulos Energy and Buildings 84, 403-411, 2014 | 36 | 2014 |
| Experimental comparison of a solar‐assisted heat pump vs. a conventional thermosyphon solar system P Axaopoulos, P Panagakis, S Kyritsis International journal of energy research 22 (13), 1107-1120, 1998 | 36 | 1998 |
| Energy software programs for educational use P Axaopoulos, G Pitsilis Renewable energy 32 (6), 1045-1058, 2007 | 34 | 2007 |
| Energetic and economic analysis of biomass briquettes production from agricultural residues BV Bot, PJ Axaopoulos, EI Sakellariou, OT Sosso, JG Tamba Applied Energy 321, 119430, 2022 | 33 | 2022 |
| Computer simulation assessment of the thermal microenvironment of growing pigs under summer conditions P Axaopoulos, P Panagakis, S Kyritsis Transactions of the ASAE 35 (3), 1005-1009, 1992 | 32 | 1992 |
| Energy performance indexes for solar assisted ground source heat pump systems with photovoltaic-thermal collectors EI Sakellariou, PJ Axaopoulos Applied energy 272, 115241, 2020 | 31 | 2020 |
| Optimum external wall insulation thickness considering the annual CO2 emissions I Axaopoulos, P Axaopoulos, J Gelegenis, ED Fylladitakis Journal of Building Physics 42 (4), 527-544, 2019 | 30 | 2019 |
| Energy and economic comparative study of a tracking vs. a fixed photovoltaic system in the northern hemisphere PJ Axaopoulos, ED Fylladitakis International Journal of Energy, Environment and Economics 21 (1), 1, 2013 | 28 | 2013 |
| Engineering education using a remote laboratory through the Internet PJ Axaopoulos, KN Moutsopoulos, MP Theodoridis European Journal of Engineering Education 37 (1), 39-48, 2012 | 22 | 2012 |
