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World Scientist and University Rankings 2026
Romania Engineering & Technology / Energy Engineering 16 Scientists Subject Rankings
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 05, 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 (1.131.911) 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
348,938
World Rank
500
Country Rank
16
University
Ranking Based On Selection:
1
Engineering & Technology / Energy Engineering
Renewable Energy | Marine Environment | Mechanical Engineerin
Renewable Energy | Marine Environment | Mechanical Engineerin
H-Index Metrics
-
H-Index26
-
i10 Index45
-
Citation Counts2,652
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* Total H Index Rankings
Rankings
363,446
World Rank
534
Country Rank
18
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
552,288
World Rank
1,095
Country Rank
81
University
Ranking Based On Selection:
3
Engineering & Technology / Energy Engineering
CCS | CCUS | Life Cycle Assessment | Renewable energy sources | Academy of Romanian Scientist
CCS | CCUS | Life Cycle Assessment | Renewable energy sources | Academy of Romanian Scientist
H-Index Metrics
-
H-Index19
-
i10 Index28
-
Citation Counts1,319
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* Total H Index Rankings
Rankings
644,903
World Rank
1,456
Country Rank
116
University
Ranking Based On Selection:
4
Engineering & Technology / Energy Engineering
Energy | Refrigeration | Air conditionning | Solar energ
Energy | Refrigeration | Air conditionning | Solar energ
H-Index Metrics
-
H-Index18
-
i10 Index24
-
Citation Counts1,548
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* Total H Index Rankings
Rankings
687,311
World Rank
1,684
Country Rank
73
University
Ranking Based On Selection:
5
Engineering & Technology / Energy Engineering
Renewable Energy System | Conceptual Design | Mechanical Transmissio
Renewable Energy System | Conceptual Design | Mechanical Transmissio
H-Index Metrics
-
H-Index16
-
i10 Index26
-
Citation Counts774
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* Total H Index Rankings
Rankings
719,189
World Rank
1,865
Country Rank
92
University
Ranking Based On Selection:
6
Engineering & Technology / Energy Engineering
Building Services Engineering | Thermal Engineering | Hydrogen Energy & Fuel Cell | Renewable Energ
Building Services Engineering | Thermal Engineering | Hydrogen Energy & Fuel Cell | Renewable Energ
H-Index Metrics
-
H-Index15
-
i10 Index19
-
Citation Counts1,407
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* Total H Index Rankings
Rankings
770,065
World Rank
2,160
Country Rank
91
University
Ranking Based On Selection:
7
Engineering & Technology / Energy Engineering
I4SDG | Renewable Energy Systems | Solar Energy | Geothermal Energy | Heat Pump
I4SDG | Renewable Energy Systems | Solar Energy | Geothermal Energy | Heat Pump
H-Index Metrics
-
H-Index14
-
i10 Index20
-
Citation Counts908
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* Total H Index Rankings
Rankings
779,630
World Rank
2,232
Country Rank
42
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
783,074
World Rank
2,253
Country Rank
99
University
Ranking Based On Selection:
9
Engineering & Technology / Energy Engineering
Renewable Energy Systems | Photovoltaics | Hybrid Systems | BEM
Renewable Energy Systems | Photovoltaics | Hybrid Systems | BEM
H-Index Metrics
-
H-Index14
-
i10 Index20
-
Citation Counts726
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* Total H Index Rankings
Rankings
786,968
World Rank
2,289
Country Rank
130
University
Ranking Based On Selection:
10
Engineering & Technology / Energy Engineering
Service Management | Renewable Energy | Sustainable Development | Business Education | Research and Developmen
Service Management | Renewable Energy | Sustainable Development | Business Education | Research and Developmen
H-Index Metrics
-
H-Index14
-
i10 Index22
-
Citation Counts809
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* Total H Index Rankings
Rankings
787,050
World Rank
2,290
Country Rank
257
University
Ranking Based On Selection:
11
Engineering & Technology / Energy Engineering
Modeling and Simulation | Signal processing | Green energy | Wind Power | Photovoltai
Modeling and Simulation | Signal processing | Green energy | Wind Power | Photovoltai
H-Index Metrics
-
H-Index14
-
i10 Index21
-
Citation Counts649
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* Total H Index Rankings
Rankings
845,819
World Rank
2,721
Country Rank
115
University
Ranking Based On Selection:
12
Engineering & Technology / Energy Engineering
renewable energy | electrical storage systems | grid converter contro
renewable energy | electrical storage systems | grid converter contro
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts753
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* Total H Index Rankings
Rankings
848,556
World Rank
2,745
Country Rank
116
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
995,124
World Rank
3,948
Country Rank
277
University
Ranking Based On Selection:
14
Engineering & Technology / Energy Engineering
Control Systems | Power Quality | Electric Motors and Drives | Renewable Energy and Source
Control Systems | Power Quality | Electric Motors and Drives | Renewable Energy and Source
H-Index Metrics
-
H-Index11
-
i10 Index12
-
Citation Counts812
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* Total H Index Rankings
Rankings
1,390,514
World Rank
7,264
Country Rank
234
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
1,596,685
World Rank
9,128
Country Rank
262
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Power quality in energy systems | railway application | power converters | measurement systems and data acquisition | electromagnet
Power quality in energy systems | railway application | power converters | measurement systems and data acquisition | electromagnet
H-Index Metrics
-
H-Index6
-
i10 Index1
-
Citation Counts85
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