Ångström–Prescott equation: Physical basis, empirical models and sensitivity analysis M Paulescu, N Stefu, D Calinoiu, E Paulescu, N Pop, R Boata, O Mares Renewable and Sustainable Energy Reviews 62, 495-506, 2016 | 91 | 2016 |

Use of displacement-momentum commutation rules V Sajfert, P Mali, N Bednar, N Pop, D Popov, B Tošić Quantum Matter 1 (2), 134-135, 2012 | 85 | 2012 |

Influence of aerosols pollution on the amount of collectable solar energy D Calinoiu, M Paulescu, I Ionel, N Stefu, N Pop, R Boata, A Pacurar, ... Energy Conversion and management 70, 76-82, 2013 | 52 | 2013 |

Rotational transitions induced by collisions of HD+ ions with low-energy electrons O Motapon, N Pop, F Argoubi, JZ Mezei, MDE Epee, A Faure, M Telmini, ... Physical Review A 90 (1), 012706, 2014 | 43 | 2014 |

Dissociative recombination of electrons with diatomic molecular cations above dissociation threshold: Application to H 2+ and HD+ K Chakrabarti, DR Backodissa-Kiminou, N Pop, JZ Mezei, O Motapon, ... Physical Review A 87 (2), 022702, 2013 | 42 | 2013 |

Nowcasting solar irradiance using the sunshine number M Paulescu, O Mares, E Paulescu, N Stefu, A Pacurar, D Calinoiu, ... Energy conversion and management 79, 690-697, 2014 | 33 | 2014 |

The modeling and simulation of the thermal analysis on the hydrogenerator stator winding insulation C Haţiegan, M Răduca, D Frunzăverde, E Răduca, N Pop, GR Gillich Journal of thermal analysis and calorimetry 113, 1217-1221, 2013 | 27 | 2013 |

Parametric modeling: A simple and versatile route to solar irradiance D Calinoiu, N Stefu, R Boata, R Blaga, N Pop, E Paulescu, A Sabadus, ... Energy conversion and management 164, 175-187, 2018 | 25 | 2018 |

Finite element analysis of heat transfer in transformers from high voltage stations M Răduca, C Haţiegan, N Pop, E Răduca, GR Gillich Journal of Thermal Analysis and Calorimetry 118, 1355-1360, 2014 | 25 | 2014 |

Low-energy collisions between electrons and BeD^{+}S Niyonzima, N Pop, F Iacob, Å Larson, AE Orel, JZ Mezei, K Chakrabarti, ... Plasma Sources Science and Technology 27 (2), 025015, 2018 | 24 | 2018 |

Construction of the Barut–Girardello quasi coherent states for the Morse potential D Popov, SH Dong, N Pop, V Sajfert, S Şimon Annals of Physics 339, 122-134, 2013 | 24 | 2013 |

The influence of thermal field in the electric arc welding of X60 carbon steel components in the CO2 environment L Cîndea, C Haţiegan, N Pop, R Negrea, E Răduca, GR Gillich, M Dănuţ, ... Applied Thermal Engineering 103, 1164-1175, 2016 | 23 | 2016 |

Compensation effect as a consequence of vibrational energy transfer in homogeneous and isotropic heat field N Pop, G Vlase, T Vlase, N Doca, A Mogoş, A Ioiţescu Journal of thermal analysis and calorimetry 92 (1), 313-317, 2008 | 21 | 2008 |

A theoretical framework for Ångström equation. Its virtues and liabilities in solar energy estimation N Stefu, M Paulescu, R Blaga, D Calinoiu, N Pop, R Boata, E Paulescu Energy Conversion and Management 112, 236-245, 2016 | 18 | 2016 |

Low-energy collisions between electrons and BeH+: Cross sections and rate coefficients for all the vibrational states of the ion S Niyonzima, S Ilie, N Pop, JZ Mezei, K Chakrabarti, V Morel, B Peres, ... Atomic Data and Nuclear Data Tables 115, 287-308, 2017 | 17 | 2017 |

Dissociative recombination and vibrational excitation of BF+ in low energy electron collisions JZ Mezei, F Colboc, N Pop, S Ilie, K Chakrabarti, S Niyonzima, M Lepers, ... Plasma Sources Science and Technology 25 (5), 055022, 2016 | 17 | 2016 |

Reactive collisions of very low-energy electrons with H: rotational transitions and dissociative recombination MD Epée Epée, JZ Mezei, O Motapon, N Pop, IF Schneider Monthly Notices of the Royal Astronomical Society 455 (1), 276-281, 2016 | 17 | 2016 |

An experimental approach to the chemical properties and the ash melting behavior in agricultural biomass AE Cioablă, N Pop, DG Calinoiu, G Trif-Tordai Journal of Thermal Analysis and Calorimetry 121, 421-427, 2015 | 14 | 2015 |

Evaluation of errors made in solar irradiance estimation due to averaging the Angstrom turbidity coefficient DG Calinoiu, N Stefu, M Paulescu, G Trif-Tordai, O Mares, E Paulescu, ... Atmospheric research 150, 69-78, 2014 | 14 | 2014 |

A New Method for Testing the No-Load Work of an Electric One-Phase Transformer Using The Graphical Programming F Novăcescu, C Haţiegan, M Răduca, E Răduca, N Pop, M Nedeloni Scientific Bulletin of “Politehnica” University of Timişoara 57 (71), 2, 2012 | 14 | 2012 |