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
Rankings
Rankings
heat pump | ejector | refrigeration | LED | solar P
H-Index Metrics
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H-Index48
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i10 Index109
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Citation Counts9,340
Rankings
thermodynamics | process system engineering | data analytics and artificial intelligienc
H-Index Metrics
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H-Index47
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i10 Index141
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Citation Counts8,403
Rankings
3D Metal Printing | Laser Machining | Optical Sensors | Experimental Mechanics | Biophotonic
H-Index Metrics
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H-Index45
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i10 Index157
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Citation Counts6,687
Rankings
Rankings
Energy | Granular Flow | Powder Technology | Hot-Gas Filtration | Avalanche Dynamic
H-Index Metrics
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H-Index43
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i10 Index132
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Citation Counts5,314
Rankings
Tribology | Smart Manufacturing | Biomaterial | Nanotechnolog
H-Index Metrics
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H-Index42
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i10 Index156
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Citation Counts6,127
Rankings
Rankings
ultrasonics | phononic crystal | acoustic wave device
H-Index Metrics
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H-Index41
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i10 Index87
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Citation Counts6,923
Rankings
Biomedical | Heat Transfer | microfluidics | Boiling | Thermal Scienc
H-Index Metrics
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H-Index39
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i10 Index111
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Citation Counts5,205
Rankings
Rankings
rarefied GD | hybrid rocket & electrical propulsion | LT plasma physics | plasma medicine & agriculture | parallel sci. computin
H-Index Metrics
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H-Index37
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i10 Index97
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Citation Counts4,498
Rankings
Computational mechanics | Advanced material plates and shells | Finite element methods | Meshless methods | 3D elasticity and piezo
H-Index Metrics
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H-Index37
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i10 Index97
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Citation Counts3,972
Rankings
energy & combustion | biomicrofluidics & lab on a chip | biophysics & biommetics | propulsion ..
H-Index Metrics
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H-Index36
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i10 Index95
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Citation Counts3,871
Rankings
Rankings
Rankings
Applied Physics | Engineering | Materials Science | Energ
H-Index Metrics
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H-Index33
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i10 Index102
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Citation Counts3,834
Rankings
Point-of-Care Diagnostics | Portable Environmental Monitoring Device
H-Index Metrics
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H-Index31
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i10 Index57
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Citation Counts3,305
Rankings
Acoustic Array Signal Processing | Enhancement/Separation | Audio Telepresence | Deep Learning | Electroacoustic
H-Index Metrics
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H-Index31
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i10 Index88
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Citation Counts3,736
Rankings
Magnesium Matrix Composites | Hydrogen Storage Materials | Mechanics of Composite Materials | Metal Matrix Composite
H-Index Metrics
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H-Index30
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i10 Index81
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Citation Counts2,901
Rankings
Energy Harvesting | Materials Modeling | Machine Learnin
H-Index Metrics
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H-Index30
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i10 Index52
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Citation Counts4,627
Rankings
Rankings
Rankings
Dielectric elastomer actuators | micro air vehicles | micro-electro-mechanical system | sensors and actuators | compliant mechanis
H-Index Metrics
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H-Index29
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i10 Index64
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Citation Counts2,841
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