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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].
* Total H Index Rankings
Rankings
23,270
World Rank
84
Country Rank
8
University
Ranking Based On Selection:
1
Engineering & Technology / Energy Engineering
Solar energy | nanofluid | heat transfer | energy optimizatio
Solar energy | nanofluid | heat transfer | energy optimizatio
H-Index Metrics
-
H-Index80
-
i10 Index220
-
Citation Counts19,396
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* Total H Index Rankings
Rankings
34,660
World Rank
145
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Energy Engineering
Renewable Energy | Electric Power | Artificial Intelligenc
Renewable Energy | Electric Power | Artificial Intelligenc
H-Index Metrics
-
H-Index71
-
i10 Index220
-
Citation Counts17,611
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* Total H Index Rankings
Rankings
37,578
World Rank
167
Country Rank
2
University
Ranking Based On Selection:
3
Engineering & Technology / Energy Engineering
Renewable Energy | Heat Recovery | Nanofluids | Internal Combustion Engines | Modeling and Optimizatio
Renewable Energy | Heat Recovery | Nanofluids | Internal Combustion Engines | Modeling and Optimizatio
H-Index Metrics
-
H-Index69
-
i10 Index163
-
Citation Counts13,707
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* Total H Index Rankings
Rankings
53,824
World Rank
278
Country Rank
9
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
68,298
World Rank
398
Country Rank
3
University
Ranking Based On Selection:
5
Engineering & Technology / Energy Engineering
Polygeneration | Energy Systems | process integration | Renewable Energy | Solar Desalinatio
Polygeneration | Energy Systems | process integration | Renewable Energy | Solar Desalinatio
H-Index Metrics
-
H-Index56
-
i10 Index193
-
Citation Counts11,258
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* Total H Index Rankings
Rankings
81,148
World Rank
533
Country Rank
18
University
Ranking Based On Selection:
6
Engineering & Technology / Energy Engineering
Smart Energy Hub | Micro Grid | Game theory | Renewable Energ
Smart Energy Hub | Micro Grid | Game theory | Renewable Energ
H-Index Metrics
-
H-Index53
-
i10 Index165
-
Citation Counts9,487
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* Total H Index Rankings
Rankings
83,069
World Rank
543
Country Rank
16
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
85,378
World Rank
574
Country Rank
53
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
92,520
World Rank
649
Country Rank
4
University
Ranking Based On Selection:
9
Engineering & Technology / Energy Engineering
Energy | Modeling and optimization | Cavitation | Power Generation | Stirling Engine
Energy | Modeling and optimization | Cavitation | Power Generation | Stirling Engine
H-Index Metrics
-
H-Index50
-
i10 Index114
-
Citation Counts6,997
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* Total H Index Rankings
Rankings
93,186
World Rank
661
Country Rank
18
University
Ranking Based On Selection:
10
Engineering & Technology / Energy Engineering
Power Systems | Renwable Energy | Electrical Distribution | Power Quality | FACT
Power Systems | Renwable Energy | Electrical Distribution | Power Quality | FACT
H-Index Metrics
-
H-Index50
-
i10 Index152
-
Citation Counts8,679
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* Total H Index Rankings
Rankings
101,567
World Rank
734
Country Rank
63
University
Ranking Based On Selection:
11
Engineering & Technology / Energy Engineering
Power System Operation and Planning | Smart Grid | Renewable Energy Integration | Energy Hub | Smart Home
Power System Operation and Planning | Smart Grid | Renewable Energy Integration | Energy Hub | Smart Home
H-Index Metrics
-
H-Index48
-
i10 Index108
-
Citation Counts6,624
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* Total H Index Rankings
Rankings
108,984
World Rank
831
Country Rank
71
University
Ranking Based On Selection:
12
Engineering & Technology / Energy Engineering
Renewable Energies | Agricultural Mechanization | Precision Agricultur
Renewable Energies | Agricultural Mechanization | Precision Agricultur
H-Index Metrics
-
H-Index47
-
i10 Index111
-
Citation Counts10,136
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* Total H Index Rankings
Rankings
114,225
World Rank
902
Country Rank
19
University
Ranking Based On Selection:
13
Engineering & Technology / Energy Engineering
HVAC | Thermodynamics | Energy | Thermal System | Natural Ga
HVAC | Thermodynamics | Energy | Thermal System | Natural Ga
H-Index Metrics
-
H-Index46
-
i10 Index121
-
Citation Counts5,975
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* Total H Index Rankings
Rankings
125,126
World Rank
1,030
Country Rank
80
University
Ranking Based On Selection:
14
Engineering & Technology / Energy Engineering
Global economy | energy economics | macroeconomic disciplines | sustainable economic developmen
Global economy | energy economics | macroeconomic disciplines | sustainable economic developmen
H-Index Metrics
-
H-Index44
-
i10 Index91
-
Citation Counts7,177
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* Total H Index Rankings
Rankings
131,346
World Rank
1,107
Country Rank
48
University
Ranking Based On Selection:
15
Engineering & Technology / Energy Engineering
Solar Energy | Water-Food-Energy Nexus | Agrivoltaics | Energy Storag
Solar Energy | Water-Food-Energy Nexus | Agrivoltaics | Energy Storag
H-Index Metrics
-
H-Index43
-
i10 Index78
-
Citation Counts5,861
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* Total H Index Rankings
Rankings
132,472
World Rank
1,132
Country Rank
2
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Power system optimization | Power system planning | Renewable energy systems | Optimization technique
Power system optimization | Power system planning | Renewable energy systems | Optimization technique
H-Index Metrics
-
H-Index43
-
i10 Index64
-
Citation Counts9,940
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* Total H Index Rankings
Rankings
139,598
World Rank
1,242
Country Rank
6
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
146,228
World Rank
1,318
Country Rank
38
University
Ranking Based On Selection:
18
Engineering & Technology / Energy Engineering
Energy Systems Engineering | Energy Optimization | Energy Conversion | Renewable Energ
Energy Systems Engineering | Energy Optimization | Energy Conversion | Renewable Energ
H-Index Metrics
-
H-Index41
-
i10 Index88
-
Citation Counts5,114
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* Total H Index Rankings
Rankings
163,584
World Rank
1,575
Country Rank
38
University
Ranking Based On Selection:
19
Engineering & Technology / Energy Engineering
Power system Transients | probabilistic Analysis | Fault Detectio
Power system Transients | probabilistic Analysis | Fault Detectio
H-Index Metrics
-
H-Index39
-
i10 Index107
-
Citation Counts6,177
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* Total H Index Rankings
Rankings
164,536
World Rank
1,598
Country Rank
3
University
Ranking Based On Selection:
20
Engineering & Technology / Energy Engineering
Smart Grids | Renewable Energies | Integrated and Net Zero Energy System
Smart Grids | Renewable Energies | Integrated and Net Zero Energy System
H-Index Metrics
-
H-Index39
-
i10 Index76
-
Citation Counts5,049
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* Total H Index Rankings
Rankings
166,504
World Rank
1,650
Country Rank
39
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
172,394
World Rank
1,722
Country Rank
9
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
173,860
World Rank
1,761
Country Rank
18
University
Ranking Based On Selection:
23
Engineering & Technology / Energy Engineering
SCADA/EMS | Microgrids | AI In Power System Operation/Planning | Power System Dynamics | Renewabl
SCADA/EMS | Microgrids | AI In Power System Operation/Planning | Power System Dynamics | Renewabl
H-Index Metrics
-
H-Index38
-
i10 Index83
-
Citation Counts5,275
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* Total H Index Rankings
Rankings
175,461
World Rank
1,795
Country Rank
56
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
200,801
World Rank
2,174
Country Rank
22
University
Ranking Based On Selection:
25
Engineering & Technology / Energy Engineering
Battery | Fuel cells | solar cells | electrocatalysts | corrosion
Battery | Fuel cells | solar cells | electrocatalysts | corrosion
H-Index Metrics
-
H-Index36
-
i10 Index68
-
Citation Counts4,255
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Premium Data
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