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Nicoleta Stefu

Observed names: N Stefu, N. Stefu, N. Ştefu, Stefu, N.
ORCID: 0000-0002-4431-9019
Observed ORCID: 0000-0002-4431-9019
OpenAlex ID: A5035562824
A current perspective on the accuracy of incoming solar energy forecasting
2018 · Robert Blaga, Andreea Sabadus, et al. · Progress in Energy and Combustion Science · 277
Ångström–Prescott equation: Physical basis, empirical models and sensitivity analysis
2016 · M. Paulescu, N. Stefu, et al. · Renewable and Sustainable Energy Reviews · 110
A cross-sectional survey of deterministic PV power forecasting: Progress and limitations in current approaches
2024 · Andreea Sabadus, Robert Blaga, et al. · Renewable Energy · 72
Microwave absorbent properties of nanosized cobalt ferrite powders prepared by coprecipitation and subjected to different thermal treatments
2010 · P.C. Fannin, C.N. Marin, et al. · Materials & Design (1980-2015) · 43
Influence of aerosols pollution on the amount of collectable solar energy
2013 · Delia Calinoiu, Marius Paulescu, et al. · Energy Conversion and Management · 41
Microwave dielectric properties of magnetite colloidal particles in magnetic fluids
2007 · P C Fannin, C N Marin, et al. · Journal of Physics Condensed Matter · 34
UV solar irradiance from broadband radiation and other meteorological data
2009 · Marius Paulescu, Nicoleta Stefu, et al. · Atmospheric Research · 32
Nowcasting solar irradiance using the sunshine number
2014 · Marius Paulescu, Oana Mares, et al. · Energy Conversion and Management · 31
Parametric modeling: A simple and versatile route to solar irradiance
2018 · Delia Calinoiu, Nicoleta Stefu, et al. · Energy Conversion and Management · 30
Intra-Hour Pv Power Forecasting Based on Sky Imagery
2022 · Marius Paulescu, Robert Blaga, et al. · Energy · 26
An investigation of the microscopic and macroscopic properties of magnetic fluids
2006 · P.C. Fannin, C.N. Marin, et al. · Physica B Condensed Matter · 25
A temperature-based model for global solar irradiance and its application to estimate daily irradiation values
2010 · Marius Paulescu, Eugenia Tulcan-Paulescu, et al. · International Journal of Energy Research · 23
Short-term forecasting of PV power based on aggregated machine learning and sky imagery approaches
2025 · Sergiu-Mihai Hategan, Nicoleta Stefu, et al. · Energy · 22
A simple but accurate two-state model for nowcasting PV power
2022 · Marius Paulescu, Nicoleta Stefu, et al. · Renewable Energy · 19
Evaluation of errors made in solar irradiance estimation due to averaging the Angstrom turbidity coefficient
2014 · Delia-Gabriela Calinoiu, Nicoleta Stefu, et al. · Atmospheric Research · 19
A theoretical framework for Ångström equation. Its virtues and liabilities in solar energy estimation
2016 · Nicoleta Stefu, Marius Paulescu, et al. · Energy Conversion and Management · 18
Study of some magnetic properties of ferrofluids filtered in magnetic field gradient
2000 · I. Mălăescu, L. Gabor, et al. · Journal of Magnetism and Magnetic Materials · 16
Effect of the concentration of precursors on the microwave absorbent properties of Zn/Fe oxide nanopowders
2010 · P. C. Fannin, C. N. Marin, et al. · Journal of Nanoparticle Research · 12
An Ensemble Approach for Intra-Hour Forecasting of Solar Resource
2023 · Sergiu-Mihai Hategan, Nicoleta Stefu, et al. · Energies · 11
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Microwave propagation parameters in magnetic fluids
2009 · P. C. Fannin, I. Malaescu, et al. · The European Physical Journal E · 11
Quantification of the aerosol-induced errors in solar irradiance modeling
2021 · Robert Blaga, Delia Calinoiu, et al. · Meteorology and Atmospheric Physics · 10
Calibration of GFS Solar Irradiation Forecasts: A Case Study in Romania
2023 · Sergiu-Mihai Hategan, Nicoleta Stefu, et al. · Energies · 9
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Diffuse fraction as a tool for exploring the sensitivity of parametric clear-sky models to changing aerosol conditions
2024 · Robert Blaga, Oana Mares, et al. · Solar Energy · 7
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Microwave specific loss power of magnetic fluids subjected to a static magnetic field
2008 · P. C. Fannin, I. Malaescu, et al. · The European Physical Journal E · 7
City-scale calibration of a low-cost PM2.5 network for regulatory-compliant air-quality assessment
2026 · Robert Blaga, Nicoleta Stefu, et al. · PLOS Climate · 6
Works count: 49
Citation count: 951
H-index: 16
I10-index: 21
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