The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 02, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.752) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
Rankings
Energy systems | renewable energy | macchine a fluido | sistemi energetici | fuel cel
H-Index Metrics
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H-Index63
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i10 Index206
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Citation Counts12,531
Rankings
Rankings
Rankings
Energy | Thermoeconomy | Hybrid Systems and Fuel Cells | Power Plants | Environmen
H-Index Metrics
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H-Index54
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i10 Index147
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Citation Counts9,149
Rankings
Industry decarbonization | CCS | electrification | hydrogen | power-to-
H-Index Metrics
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H-Index53
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i10 Index127
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Citation Counts9,458
Rankings
Rankings
Solar Energy | Sustainable Water | Heat and Mass Transfer | Molecular Dynamics | Lattice Boltzman
H-Index Metrics
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H-Index47
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i10 Index124
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Citation Counts7,082
Rankings
Hydrogen | Smart Energy Systems | Sustainable Built Environment | Energy Plannin
H-Index Metrics
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H-Index46
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i10 Index87
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Citation Counts5,359
Rankings
Rankings
Renewable Energies | Solar Heating and Cooling | Life Cycle Analysis | Energy and Building | lighting
H-Index Metrics
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H-Index43
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i10 Index83
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Citation Counts7,301
Rankings
Computational Intelligence | PV forecasting | Wind Power | Fuzzy Logic Control | EM optimizatio
H-Index Metrics
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H-Index43
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i10 Index120
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Citation Counts6,156
Rankings
Renewable Energy | Sustainability | Logistics | Optimizatio
H-Index Metrics
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H-Index42
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i10 Index90
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Citation Counts6,830
Rankings
Evolutionary Computation | Energy Harvesting Devices | Renewable Systems | Digita Energy | UAV
H-Index Metrics
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H-Index42
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i10 Index93
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Citation Counts5,697
Rankings
Rankings
Energy | Thermal Engineering | Thermal Energy Storage & Conversion | Data-Driven Engineerin
H-Index Metrics
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H-Index41
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i10 Index77
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Citation Counts6,329
Rankings
Renewable Energy - Green Roof- ventilated facade - Building Energy Efficiency
H-Index Metrics
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H-Index41
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i10 Index92
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Citation Counts5,205
Rankings
HVAC | renewable energy | ZEB | CFD and Industrial processes | geothermic
H-Index Metrics
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H-Index41
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i10 Index82
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Citation Counts5,321
Rankings
Rankings
heat transfer | applied thermpdynamics | energy economics | energy market | energy efficienc
H-Index Metrics
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H-Index39
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i10 Index83
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Citation Counts6,900
Rankings
Renewable Energies Sources | Energy | Energy and Building | Energy and Environmen
H-Index Metrics
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H-Index39
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i10 Index50
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Citation Counts4,793
Rankings
Energy | building science | thermo-physical building simulation | renewable energy technologies | life cycle assessmen
H-Index Metrics
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H-Index38
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i10 Index72
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Citation Counts4,476
Rankings
heterogeneous catalysis | chemical engineering | energy engineering | chemical processes for energy and environmen
H-Index Metrics
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H-Index38
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i10 Index63
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Citation Counts4,716
Rankings
Rankings
Rankings
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