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 03, 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
Solar Energy | Thermal Storage | Applied Thermodynamics | Refrigeratio
H-Index Metrics
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H-Index35
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i10 Index74
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Citation Counts3,582
Rankings
Energy Conversion | Combustion | Fire | Engineering | Microgravit
H-Index Metrics
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H-Index32
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i10 Index77
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Citation Counts3,199
Rankings
Rankings
Rankings
Multilevel Converters | Renewable Energy Systems | Microgrid
H-Index Metrics
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H-Index25
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i10 Index76
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Citation Counts2,916
Rankings
Rankings
Energy | Smart Grid | Sustainable Energy Systems and Service Science | Management & Engineerin
H-Index Metrics
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H-Index21
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i10 Index35
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Citation Counts1,620
Rankings
Rankings
Rankings
Sustainability | Exergy analysis | Exergoenvironmental | renewable energy | Water and Carbon Footprin
H-Index Metrics
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H-Index17
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i10 Index23
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Citation Counts892
Rankings
Energy conversion | microfluidics | fluid mechanics | heat transfe
H-Index Metrics
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H-Index17
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i10 Index22
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Citation Counts1,734
Rankings
Rankings
Applied Physics | Solar Cells and Modules | Solar Resourc
H-Index Metrics
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H-Index16
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i10 Index25
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Citation Counts1,029
Rankings
Renewable Energy | Combustion | cogeneration | biomass gasificatio
H-Index Metrics
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H-Index15
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i10 Index22
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Citation Counts1,140
Rankings
Rankings
Energía Solar | Ciencias de los Materiales | Física Fundamenta
H-Index Metrics
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H-Index13
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i10 Index15
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Citation Counts801
Rankings
Photovoltaics Applications | Renewable Energy | Electromobility | Electric Vehicles | Robotic
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts331
Rankings
International Cooperation | Global Governance | European Union | Latin America | Renewable Energ
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts402
Rankings
Microgrids | Renewable Energy Systems | Energy Conversion | Energy Resilienc
H-Index Metrics
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H-Index8
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i10 Index5
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Citation Counts206
Rankings
Energy Conversion | Renewable energy | Electric Drives | Wind Power Plants | HVD
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts174
Rankings
Additive Manufacturing | Directed Energy Deposition | Welding | Renewable Energy | Antarctic
H-Index Metrics
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H-Index6
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i10 Index6
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Citation Counts333
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