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World Scientist and University Rankings 2026

Ethiopia Engineering & Technology / Energy Engineering 22 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 yearsAs of Sep 07, 2025, the rankings are determined according to the Total H IndexBETA 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 (1.122.060) 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 22 scientists, 221 country, 24.519 institution
* Total H Index Rankings

Rankings

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531,035
World Rank
327
Country Rank
13
University
Ranking Based On Selection:
1
Engineering & Technology / Energy Engineering
Energy | Process Simulation | Thermofluids | Fuel | Gasificatio

H-Index Metrics

  • H-Index
    19
  • i10 Index
    33
  • Citation Counts
    1,705
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* Total H Index Rankings

Rankings

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724,843
World Rank
578
Country Rank
10
University
Ranking Based On Selection:
2
Engineering & Technology / Energy Engineering
GIS and Remote Sensing | Hydrology and Hydrological Modeling | Climate change and Modeling | Ecosystem Service | Land Fragmentatio

H-Index Metrics

  • H-Index
    14
  • i10 Index
    14
  • Citation Counts
    1,638
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* Total H Index Rankings

Rankings

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735,745
World Rank
599
Country Rank
43
University
Ranking Based On Selection:
3
Engineering & Technology / Energy Engineering
Renewable energy | energy conservation and management | energy systems | energy polic

H-Index Metrics

  • H-Index
    14
  • i10 Index
    21
  • Citation Counts
    678
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* Total H Index Rankings

Rankings

flag
905,224
World Rank
867
Country Rank
24
University
Ranking Based On Selection:
4
Engineering & Technology / Energy Engineering
Bioenergy | Gasification | Biofuels | Energy Technologie

H-Index Metrics

  • H-Index
    11
  • i10 Index
    11
  • Citation Counts
    1,162
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* Total H Index Rankings

Rankings

flag
932,301
World Rank
934
Country Rank
62
University
Ranking Based On Selection:
5

H-Index Metrics

  • H-Index
    11
  • i10 Index
    12
  • Citation Counts
    1,006
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* Total H Index Rankings

Rankings

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968,557
World Rank
971
Country Rank
28
University
Ranking Based On Selection:
6
Engineering & Technology / Energy Engineering
Advanced Manufacturing System | modelling and simulation | pipeline network systems | Renewable energy resource optimizatio

H-Index Metrics

  • H-Index
    10
  • i10 Index
    11
  • Citation Counts
    794
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* Total H Index Rankings

Rankings

flag
995,654
World Rank
1,078
Country Rank
75
University
Ranking Based On Selection:
7
Engineering & Technology / Energy Engineering
Renewable Energy | Machine design | Energy and Process Engineerin

H-Index Metrics

  • H-Index
    10
  • i10 Index
    11
  • Citation Counts
    481
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* Total H Index Rankings

Rankings

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1,111,805
World Rank
1,337
Country Rank
89
University
Ranking Based On Selection:
8
Engineering & Technology / Energy Engineering
Renewable Energy | Energy Access | and Climate Change Mitigatio

H-Index Metrics

  • H-Index
    9
  • i10 Index
    7
  • Citation Counts
    149
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* Total H Index Rankings

Rankings

flag
1,193,599
World Rank
1,506
Country Rank
46
University
Ranking Based On Selection:
9
Engineering & Technology / Energy Engineering
Green energy engineering | water and waste water engineering | air pollution control engineering | soi

H-Index Metrics

  • H-Index
    8
  • i10 Index
    6
  • Citation Counts
    225
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* Total H Index Rankings

Rankings

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1,311,960
World Rank
1,776
Country Rank
150
University
Ranking Based On Selection:
10
Engineering & Technology / Energy Engineering
Sustainable Energy Engineering: Solar Energy | Bioenergy (Biogas & Biomass gasifications) | Wind Energy and Energy Simulation

H-Index Metrics

  • H-Index
    7
  • i10 Index
    6
  • Citation Counts
    110
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* Total H Index Rankings

Rankings

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1,354,787
World Rank
1,907
Country Rank
126
University
Ranking Based On Selection:
11

H-Index Metrics

  • H-Index
    7
  • i10 Index
    6
  • Citation Counts
    140
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* Total H Index Rankings

Rankings

flag
1,443,703
World Rank
2,082
Country Rank
60
University
Ranking Based On Selection:
12
Engineering & Technology / Energy Engineering
Chemical Engineering | Process Engineering | Bioenergy Engineering | Renewable Energ

H-Index Metrics

  • H-Index
    6
  • i10 Index
    5
  • Citation Counts
    157
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* Total H Index Rankings

Rankings

flag
1,475,062
World Rank
2,210
Country Rank
163
University
Ranking Based On Selection:
13
Engineering & Technology / Energy Engineering
Sustainable energy engineerin

H-Index Metrics

  • H-Index
    6
  • i10 Index
    4
  • Citation Counts
    104
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* Total H Index Rankings

Rankings

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1,489,384
World Rank
2,265
Country Rank
40
University
Ranking Based On Selection:
14
Engineering & Technology / Energy Engineering
Thermal engineering | Solar thermal energy | RAC | Jjet engines | Energy Modellin

H-Index Metrics

  • H-Index
    6
  • i10 Index
    3
  • Citation Counts
    97
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* Total H Index Rankings

Rankings

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1,490,085
World Rank
2,267
Country Rank
169
University
Ranking Based On Selection:
15
Engineering & Technology / Energy Engineering
Solar dryer | Green Hydrogen production and Nuclear Energy Engineerin

H-Index Metrics

  • H-Index
    6
  • i10 Index
    3
  • Citation Counts
    93
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* Total H Index Rankings

Rankings

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1,586,123
World Rank
2,418
Country Rank
184
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Hosting Capacity | Distribution Systems | Machine Learning | DER

H-Index Metrics

  • H-Index
    5
  • i10 Index
    5
  • Citation Counts
    180
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* Total H Index Rankings

Rankings

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1,679,499
World Rank
2,840
Country Rank
177
University
Ranking Based On Selection:
17
* Total H Index Rankings

Rankings

flag
1,912,814
World Rank
3,674
Country Rank
119
University
Ranking Based On Selection:
18
* Total H Index Rankings

Rankings

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2,103,613
World Rank
4,368
Country Rank
114
University
Ranking Based On Selection:
19
Engineering & Technology / Energy Engineering
Green Energy | Biofuels | Solar Energy | Wind Energy | Renewable Energ

H-Index Metrics

  • H-Index
    3
  • i10 Index
    1
  • Citation Counts
    21
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* Total H Index Rankings

Rankings

flag
2,200,908
World Rank
4,681
Country Rank
50
University
Ranking Based On Selection:
20
Engineering & Technology / Energy Engineering
Sustainable energy engineering | solar cell | thin film

H-Index Metrics

  • H-Index
    2
  • i10 Index
    2
  • Citation Counts
    73
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* Total H Index Rankings

Rankings

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2,269,935
World Rank
4,995
Country Rank
89
University
Ranking Based On Selection:
21
Engineering & Technology / Energy Engineering
2D materials for renewable energ

H-Index Metrics

  • H-Index
    2
  • i10 Index
    1
  • Citation Counts
    21
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* Total H Index Rankings

Rankings

flag
2,273,191
World Rank
5,014
Country Rank
371
University
Ranking Based On Selection:
22
Engineering & Technology / Energy Engineering
Biomass Energy | Renewable Energy | Hydrogen Storage | Chemical Scienc

H-Index Metrics

  • H-Index
    2
  • i10 Index
    1
  • Citation Counts
    20
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