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Gholamhassan Najafi

Gholamhassan Najafi

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Mechanical and Aerospace Engineering
Iran
2026

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
78
Citations
21233
World Ranking
242
National Ranking
9

Gholamhassan Najafi publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Gholamhassan Najafi sits on this spectrum.

47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47 publications 659+

This scientist: 297 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

Gholamhassan Najafi D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Gholamhassan Najafi sits on this spectrum.

30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 78 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Mechanical and Aerospace Engineering in Iran Leader Award
  • 2025 - Research.com Mechanical and Aerospace Engineering in Iran Leader Award

Overview

Gholamhassan Najafi is affiliated with Tarbiat Modares University in Iran and has a substantial body of research primarily in the field of engineering. Their scholarly contributions span multiple subfields, including mechanical engineering, renewable energy, sustainability and the environment, biomedical engineering, fluid flow and transfer processes, and materials chemistry.

The research topics covered by Najafi focus notably on biodiesel production and applications, solar thermal and photovoltaic systems, advanced combustion engine technologies, solar-powered water purification methods, nanofluid flow and heat transfer, photovoltaic system optimization techniques, and heat transfer and optimization.

Najafi has published numerous articles in several frequent venues such as Sustainability, Sustainable Energy Technologies and Assessments, Fuel, SSRN Electronic Journal, and the IOP Conference Series Materials Science and Engineering.

Frequent collaborators include Barat Ghobadian, Mazlan Mohamed, Rizalman Mamat, Shiva Gorjian, and Mostafa Esmaeili Shayan, reflecting a network of partnerships in related scientific inquiries.

Some of Najafi's recent papers are:

  • Impact of COVID-19 on the social, economic, environmental and energy domains: Lessons learnt from a global pandemic (2020), Sustainable Production and Consumption
  • A review of industrial waste heat recovery system for power generation with Organic Rankine Cycle: Recent challenges and future outlook (2020), Journal of Cleaner Production
  • A review on opportunities for implementation of solar energy technologies in agricultural greenhouses (2020), Journal of Cleaner Production
  • A Review of Hydrogen as a Fuel in Internal Combustion Engines (2021), Energies
  • Impeller shape-optimization of stirred-tank reactor: CFD and fluid structure interaction analyses (2020), Chemical Engineering Journal

Best Publications

  • Lignocellulosic biomass to bioethanol, a comprehensive review with a focus on pretreatment

    Sohrab Haghighi Mood;Amir Hossein Golfeshan;Meisam Tabatabaei;Gholamreza Salehi Jouzani

  • Current biodiesel production technologies: A comparative review

    Ahmad Abbaszaadeh;Barat Ghobadian;Mohammad Reza Omidkhah;Gholamhassan Najafi

  • Diesel engine performance and exhaust emission analysis using waste cooking biodiesel fuel with an artificial neural network

    B. Ghobadian;H. Rahimi;A.M. Nikbakht;G. Najafi

  • Impact of COVID-19 on the social, economic, environmental and energy domains: Lessons learnt from a global pandemic.

    M Mofijur;I M Rizwanul Fattah;Asraful Alam;A B M Saiful Islam

  • Performance and exhaust emissions of a gasoline engine with ethanol blended gasoline fuels using artificial neural network

    G. Najafi;B. Ghobadian;T. Tavakoli;D.R. Buttsworth

  • Effects of biodiesel from different feedstocks on engine performance and emissions: A review

    Wan Nor Maawa Wan Ghazali;Rizalman Mamat;Haji Hassan Masjuki;Gholamhassan Najafi

  • Recent progress on hybrid nanofluids in heat transfer applications: A comprehensive review

    Nor Azwadi Che Sidik;Isa Muhammad Adamu;Muhammad Mahmud Jamil;G.H.R. Kefayati

  • The Enhancement of Effective Thermal Conductivity and Effective Dynamic Viscosity of Nanofluids – A Review

    W.H. Azmi;K.V. Sharma;Rizalman Mamat;G. Najafi

  • Green fuel as alternative fuel for diesel engine: A review

    Mohd Fahmi Othman;Abdullah Adam;G. Najafi;Rizalman Mamat

  • A review of industrial waste heat recovery system for power generation with Organic Rankine Cycle: Recent challenges and future outlook

    Reyhaneh Loni;Gholamhassan Najafi;Evangelos Bellos;Fatemeh Rajaee

  • Application of artificial neural networks for the prediction of performance and exhaust emissions in SI engine using ethanol- gasoline blends

    M. Kiani Deh Kiani;B. Ghobadian;T. Tavakoli;A.M. Nikbakht

  • Alcohol based automotive fuels from first four alcohol family in compression and spark ignition engine: A review on engine performance and exhaust emissions

    I.M. Yusri;R. Mamat;G. Najafi;A. Razman

  • A review on opportunities for implementation of solar energy technologies in agricultural greenhouses

    Shiva Gorjian;Francesco Calise;Karunesh Kant;Shamim Ahamed

  • Solar energy in Iran: Current state and outlook

    G. Najafi;B. Ghobadian;R. Mamat;T. Yusaf

  • Effects of physicochemical properties of biodiesel fuel blends with alcohol on diesel engine performance and exhaust emissions: A review

    M. S.M. Zaharin;Nik Rosli Abdullah;G. Najafi;H. Sharudin

  • Diesel engine combustion characteristics using nano-particles in biodiesel-diesel blends

    G. Najafi

  • Waste fish oil biodiesel as a source of renewable fuel in Iran

    R. Yahyaee;B. Ghobadian;G. Najafi

  • Experimental Investigation of Thermal Conductivity and Electrical Conductivity of Al2O3 Nanofluid in Water - Ethylene Glycol Mixture for Proton Exchange Membrane Fuel Cell Application

    Irnie Zakaria;W.H. Azmi;W.A.N.W. Mohamed;Rizalman Mamat

  • Potential of bioethanol production from agricultural wastes in Iran

    G. Najafi;B. Ghobadian;T. Tavakoli;T. Yusaf

  • Novel environmentally friendly fuel: The effects of nanographene oxide additives on the performance and emission characteristics of diesel engines fuelled with Ailanthus altissima biodiesel

    S.S. Hoseini;G. Najafi;B. Ghobadian;R. Mamat

  • Potential of biogas production in Iran

    M. Mohammadi Maghanaki;B. Ghobadian;G. Najafi;R. Janzadeh Galogah

Frequent Co-Authors

Barat Ghobadian
Barat Ghobadian Tarbiat Modares University
Rizalman Mamat
Rizalman Mamat Universiti Malaysia Pahang
Talal Yusaf
Talal Yusaf Aviation Australia
Nor Azwadi Che Sidik
Nor Azwadi Che Sidik University of Technology Malaysia
W.H. Azmi
W.H. Azmi Universiti Malaysia Pahang
M. M. Noor
M. M. Noor Universiti Malaysia Pahang
Evangelos Bellos
Evangelos Bellos University of West Attica
Thamir K. Ibrahim
Thamir K. Ibrahim University of Tikrit
Mohsen Sharifpur
Mohsen Sharifpur University of the Witwatersrand
Saeid Minaei
Saeid Minaei Tarbiat Modares University

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