Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :51
Solar Energy
Renewable Energy
Applied Thermal Engineering
Mech. Eng Design
Engineering Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection :52
Renewable Energy and Internal Combustion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :53
Renewable energy
Waste valorisation
Fermentation
Biomass conversion
Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :54
Emission control
waste to energy
renewable energy
water treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :55
Postharvest
Mechanisation
Precision agriculture
Renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :56
Solar Energy
Renewable Energy
Optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :57
Autonomous Systems
Robotics
Mechatronics
Renewable Energy
Energy Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :58
Renewable Energy
Fuel Cells
Li-ion Batteries
Energy Materials
Crystallography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection :59
Renewable energy
Material Science
solar radiation
energy material
dye sensitized solar cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
* Total i10 IndexRankings
Ranking Based On Selection :60
Renewable energy systems
control of power electronics
electrical machines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :61
Renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :62
Lasers
beam shaping
renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :63
Renewable Energy
Energy Management
Systems Optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :64
Energy
Renewable energy
Energy efficiency
Rural electrification
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :65
Biomechanics
Renewable energy
Finite element Modelling (FEM))
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :66
CFD simulation
CAD
Renewable Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :67
Renewable energy
photovoltaics
defects characterisation
degradation and electrical analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :68
grid integration of renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :69
Renewable energy and Thermodynamics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :70
Energy Poverty
Renewable Energy
Wellbeing
Poverty Alleviation
Socioeconomic Impacts assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :71
Green Buildings
Renewable energy
Engineering education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :72
Renewable Energy Systems and Design
Power Electronics
Battery Management Systems.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :73
Additive Manufacturing
Computational Fluid Dynamics
Renewable Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :74
Renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :75
Manufacturing Processes
Process optimisation
Business Process Mapping
Asset Management
Renewable energy systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Kant Kanyarusoke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Solar Energy
Renewable Energy
Applied Thermal Engineering
Mech. Eng Design
Engineering Education
Emmanuel Idoko Onuh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Renewable Energy and Internal Combustion
Daneal Rorke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Renewable energy
Waste valorisation
Fermentation
Biomass conversion
Biotechnology
Lawrence Koech|Lawrence Kipyegon
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Emission control
waste to energy
renewable energy
water treatment
Sipho Sibanda|Sibanda Sipho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Postharvest
Mechanisation
Precision agriculture
Renewable energy
Mabel U. Olanipekun
Tshwane University of Technology
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Solar Energy
Renewable Energy
Optimization
Chiemela Onunka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Autonomous Systems
Robotics
Mechatronics
Renewable Energy
Energy Management
Muhammad Sarfraz Arshad
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Renewable Energy
Fuel Cells
Li-ion Batteries
Energy Materials
Crystallography
Nnditshedzeni Eric Maluta
University of Venda
Thohoyandou, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
1
0.250
Renewable energy
Material Science
solar radiation
energy material
dye sensitized solar cells
Mwana Wa Kalaga Mbukani
University of Pretoria
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Renewable energy systems
control of power electronics
electrical machines
Adeolu Abiodun Awoyale
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Lebohang Teboho Bell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Lasers
beam shaping
renewable energy
Ntumba Marc-Alain Mutombo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Renewable Energy
Energy Management
Systems Optimization
Azizat Olusola Gbadegesin
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Energy
Renewable energy
Energy efficiency
Rural electrification
Babawarun Tolu
University of South Africa
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Biomechanics
Renewable energy
Finite element Modelling (FEM))
Philemon Mutabilwa
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
CFD simulation
CAD
Renewable Energy
Osayemwenre Gilbert Omorodion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Renewable energy
photovoltaics
defects characterisation
degradation and electrical analysis
Ndamulelo Mararakanye
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
grid integration of renewable energy
Andrew Ya Oyieke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Renewable energy and Thermodynamics
Mahali Elizabeth Lesala
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Energy Poverty
Renewable Energy
Wellbeing
Poverty Alleviation
Socioeconomic Impacts assessment
Ravi Chetty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Green Buildings
Renewable energy
Engineering education
Emmanuel Ogunniyi
Vaal University of Technology
Vanderbijlpark, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Renewable Energy Systems and Design
Power Electronics
Battery Management Systems.
Abdullah Kaymakci
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Additive Manufacturing
Computational Fluid Dynamics
Renewable Energy
Dirk Van Vuuren
University of Pretoria
Pretoria, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Blessed Sarema
Stellenbosch University
Stellenbosch, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Manufacturing Processes
Process optimisation
Business Process Mapping
Asset Management
Renewable energy systems