| An algorithm for the computation of the solar position R Grena Solar Energy 82 (5), 462-470, 2008 | 324 | 2008 |
| Solar linear Fresnel collector using molten nitrates as heat transfer fluid R Grena, P Tarquini Energy 36 (2), 1048-1056, 2011 | 167 | 2011 |
| Five new algorithms for the computation of sun position from 2010 to 2110 R Grena Solar Energy 86 (5), 1323-1337, 2012 | 99 | 2012 |
| Solar steam reforming of natural gas for hydrogen production using molten salt heat carriers A Giaconia, M de Falco, G Caputo, R Grena, P Tarquini, L Marrelli AIChE journal 54 (7), 1932-1944, 2008 | 99 | 2008 |
| Hydrogen/methanol production by sulfur–iodine thermochemical cycle powered by combined solar/fossil energy A Giaconia, R Grena, M Lanchi, R Liberatore, P Tarquini International Journal of Hydrogen Energy 32 (4), 469-481, 2007 | 92 | 2007 |
| Optical simulation of a parabolic solar trough collector R Grena International Journal of Sustainable Energy 29 (1), 19-36, 2010 | 91 | 2010 |
| Optimization of the geometry of Fresnel linear collectors P Boito, R Grena Solar Energy 135, 479-486, 2016 | 69 | 2016 |
| Enriched methane production using solar energy: an assessment of plant performance M De Falco, A Giaconia, L Marrelli, P Tarquini, R Grena, G Caputo international journal of hydrogen energy 34 (1), 98-109, 2009 | 49 | 2009 |
| Efficiency gain of a solar trough collector due to an ir-reflective film on the non-irradiated part of the receiver R Grena International journal of green energy 8 (7), 715-733, 2011 | 34 | 2011 |
| A model of integration between PV and thermal CSP technologies A Giaconia, R Grena Solar Energy 224, 149-159, 2021 | 25 | 2021 |
| Almost conformal vacua and confinement R Auzzi, R Grena, K Konishi Nuclear Physics B 653 (1-2), 204-226, 2003 | 23 | 2003 |
| Thermal simulation of a single particle in a falling-particle solar receiver R Grena Solar Energy 83 (8), 1186-1199, 2009 | 19 | 2009 |
| Confinement, asymptotic freedom and renormalons in type 0 string duals R Grena, S Lelli, M Maggiore, A Rissone Journal of High Energy Physics 2000 (07), 005, 2000 | 17 | 2000 |
| Optimal focal length of primary mirrors in Fresnel linear collectors P Boito, R Grena Solar Energy 155, 1313-1318, 2017 | 15 | 2017 |
| Application of a fixed-receiver Linear Fresnel Reflector in concentrating photovoltaics P Boito, R Grena Solar Energy 215, 198-205, 2021 | 14 | 2021 |
| Stabilization Effect of Surface Impurities on the Structure of Ultrasmall ZrO2 Nanoparticles: An Ab-Initio Study R Grena, O Masson, L Portal, F Rémondière, A Berghout, J Jouin, ... The Journal of Physical Chemistry C 119 (27), 15618-15626, 2015 | 14 | 2015 |
| DFT study of interstitial hydrogen in tantalum lattice R Grena, M Celino, P Tarquini international journal of hydrogen energy 36 (21), 13858-13865, 2011 | 13 | 2011 |
| Thermal characterization of a cavity receiver for hydrogen production by thermochemical cycles operating at moderate temperatures M Lanchi, F Varsano, B Brunetti, MA Murmura, MC Annesini, L Turchetti, ... Solar Energy 92, 256-268, 2013 | 12 | 2013 |
| Energy from solar balloons R Grena Solar Energy 84 (4), 650-665, 2010 | 10 | 2010 |
| Individuazione e caratterizzazione di miscele di materiali a cambiamento di fase e nanoparticelle da impiegare come sistemi alternativi di accumulo termico A Miliozzi, E Veca, S Sau, R Grena, M Celino, M Falconieri, F Rondino Report RdS/2013/079 [ENEA], 2013 | 8 | 2013 |
Paola BoitoDipartimento di Matematica, Università di PisaVerified email at unipi.it
