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 Sep 02, 2025, 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 (1.122.044) 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
Polymer tribology | Natural fiber polymer composites | Micro structure characterizatio
H-Index Metrics
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H-Index50
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i10 Index223
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Citation Counts12,534
Rankings
Computational Fluid Dynamics | Nano fluids | Finite Element Method | Finite Difference Method | Hea
H-Index Metrics
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H-Index35
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i10 Index77
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Citation Counts4,014
Rankings
Gas turbine | nanofluid heat transfer | storage | solar and wind energie
H-Index Metrics
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H-Index23
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i10 Index44
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Citation Counts2,208
Rankings
Alternate fuels | Combustion | Internal combustion Engines | Renewable fuel | Diesel engine
H-Index Metrics
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H-Index21
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i10 Index31
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Citation Counts1,987
Rankings
Rankings
Remote sensing hydrology | GIS environmental modeling | Urban Climate | Hydrological Model | Irrigatio
H-Index Metrics
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H-Index18
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i10 Index24
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Citation Counts899
Rankings
Rankings
Hydraulic Engineering | Irrigation and Drainage Engineering | GIS and RS | Hydrology | Climate Change
H-Index Metrics
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H-Index14
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i10 Index17
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Citation Counts554
Rankings
Mechanical Engineering | Sustainable Manufacturing | Additive Manufacturing | Diamond Wire Sawin
H-Index Metrics
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H-Index12
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i10 Index13
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Citation Counts775
Rankings
Advance Welding Technologies | Design of Agricultural Tools and Machinarie
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts619
Rankings
Mechatronics | Machine Vision | Robotics | Automation and control | Power Electronic
H-Index Metrics
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H-Index10
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i10 Index10
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Citation Counts198
Rankings
Rankings
Rankings
Nature inspired design | Composite materials | material characterization and material testin
H-Index Metrics
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H-Index9
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i10 Index8
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Citation Counts295
Rankings
Rankings
Mechanical Engineering | Manufacturing Engineering | Industrial Engineering | Material Scienc
H-Index Metrics
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H-Index9
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i10 Index9
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Citation Counts257
Rankings
Electrohydrodynamics gas pump | EHD Bactericide | Electronics cooling | Bio-heat transfer | Energy storage system
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts295
Rankings
Computational Fluid Dynamics | Engineering Optimization | Modeling and Simulation | Lean Six Sigma | ER
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts220
Rankings
Energy and Aeronautics | Both experiment and computiona
H-Index Metrics
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H-Index8
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i10 Index5
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Citation Counts136
Rankings
Rankings
Rankings
Water Resources | Hydrology | Hydraulics | Climate Chang
H-Index Metrics
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H-Index7
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i10 Index7
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Citation Counts206
Rankings
Rankings
Rankings

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