World's Best Scientists 2026 revealed!

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
54
Citations
8103
World Ranking
982
National Ranking
26

Ali Akbar Ranjbar 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 Ali Akbar Ranjbar 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: 114 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: 61 scientists 317–326 publications: 69 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: 159 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Ali Akbar Ranjbar 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 Ali Akbar Ranjbar 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: 125 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 106 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: 99 scientists
30 D-Index 93+

This scientist: 54 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Thermodynamics
  • Mechanics
  • Heat transfer

His scientific interests lie mostly in Thermodynamics, Nanofluid, Mechanics, Heat transfer and Shell and tube heat exchanger. His study in Phase-change material, Natural convection and Volume is carried out as part of his studies in Thermodynamics. The concepts of his Nanofluid study are interwoven with issues in Nanofluids in solar collectors, Absorption and Fluid dynamics.

His Mechanics research includes themes of Porosity, Numerical analysis and Fin. His studies in Heat transfer integrate themes in fields like Nusselt number and Parabolic trough. His Shell and tube heat exchanger research includes elements of Plate fin heat exchanger and Shell.

His most cited work include:

  • A combined experimental and computational study on the melting behavior of a medium temperature phase change storage material inside shell and tube heat exchanger (121 citations)
  • A review on optical properties and application of nanofluids in direct absorption solar collectors (DASCs) (120 citations)
  • A numerical method for PCM-based pin fin heat sinks optimization (114 citations)

What are the main themes of his work throughout his whole career to date?

Mechanics, Heat transfer, Thermodynamics, Nanofluid and Nusselt number are his primary areas of study. Ali Akbar Ranjbar works mostly in the field of Mechanics, limiting it down to topics relating to Thermal and, in certain cases, Optics and Mass flow rate. His Heat transfer research is multidisciplinary, incorporating perspectives in Thermal conduction and Streamlines, streaklines, and pathlines.

His study in Thermodynamics focuses on Heat transfer coefficient, Phase-change material, Natural convection, Heat sink and Thermal conductivity. His study in Nanofluid is interdisciplinary in nature, drawing from both Absorption, Nanofluids in solar collectors, Volume fraction, Convective heat transfer and Fluid dynamics. His Nusselt number research integrates issues from Microchannel, Pulsating flow and Parabolic trough.

He most often published in these fields:

  • Mechanics (48.36%)
  • Heat transfer (38.52%)
  • Thermodynamics (36.89%)

What were the highlights of his more recent work (between 2019-2021)?

  • Injector (1.64%)
  • Mechanics (48.36%)
  • Nuclear engineering (5.74%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Injector, Mechanics, Nuclear engineering, Heat sink and Phase-change material. His Injector study is concerned with Mechanical engineering in general. Mechanics is frequently linked to Fin in his study.

Ali Akbar Ranjbar interconnects Electrolyte and Flow in the investigation of issues within Nuclear engineering. His Heat sink research incorporates elements of Thermoelectric effect, Metal foam, Heat flux, Porous medium and Composite material. His Phase-change material research is multidisciplinary, relying on both Exergy, Exergy efficiency, Thermal energy storage, Heat exchanger and Thermoelectric generator.

Between 2019 and 2021, his most popular works were:

  • Evaluation of heat sink performance using PCM and vapor chamber/heat pipe (4 citations)
  • Performance enhancement of a thermoelectric harvester with a PCM/metal foam composite (1 citations)
  • Analysis of water management in PEM fuel cell stack at dead-end mode using direct visualization (1 citations)

Best Publications

  • A combined experimental and computational study on the melting behavior of a medium temperature phase change storage material inside shell and tube heat exchanger

    M.J. Hosseini;A.A. Ranjbar;K. Sedighi;M. Rahimi

  • A review on optical properties and application of nanofluids in direct absorption solar collectors (DASCs)

    Tahereh B. Gorji;Ali Akbar Ranjbar

  • Fuzzy fractional order sliding mode controller for nonlinear systems

    H. Delavari;R. Ghaderi;A. Ranjbar;S. Momani

  • Phase change in multi-tube heat exchangers

    M. Esapour;M.J. Hosseini;A.A. Ranjbar;Y. Pahamli

  • A numerical method for PCM-based pin fin heat sinks optimization

    R. Pakrouh;M.J. Hosseini;A.A. Ranjbar;R. Bahrampoury

  • Experimental and numerical evaluation of longitudinally finned latent heat thermal storage systems

    M.J. Hosseini;A.A. Ranjbar;M. Rahimi;R. Bahrampoury

  • Poisoning of proton exchange membrane fuel cells by contaminants and impurities: Review of mechanisms, effects, and mitigation strategies

    B. Shabani;M. Hafttananian;Sh. Khamani;A. Ramiar

  • Thermal performance analysis of solar parabolic trough collector using nanofluid as working fluid: A CFD modelling study

    Seyed Ebrahim Ghasemi;Ali Akbar Ranjbar

  • Numerical thermal study on effect of porous rings on performance of solar parabolic trough collector

    Seyed Ebrahim Ghasemi;Ali Akbar Ranjbar

  • A numerical and experimental investigation on the performance of a low-flux direct absorption solar collector (DASC) using graphite, magnetite and silver nanofluids

    Tahereh B. Gorji;A.A. Ranjbar

  • Analysis of geometrical and operational parameters of PCM in a fin and tube heat exchanger

    M. Rahimi;A.A. Ranjbar;D.D. Ganji;K. Sedighi

  • Investigation of MHD Eyring–Powell fluid flow over a rotating disk under effect of homogeneous–heterogeneous reactions

    M. Gholinia;Kh. Hosseinzadeh;H. Mehrzadi;D.D. Ganji

  • Improvement of longitudinal fins configuration in latent heat storage systems

    M. Kazemi;M.J. Hosseini;A.A. Ranjbar;R. Bahrampoury

  • Analysis of the effect of eccentricity and operational parameters in PCM-filled single-pass shell and tube heat exchangers

    Younes Pahamli;Mohammad J. Hosseini;Ali A. Ranjbar;Rasool Bahrampoury

  • Thermal investigation of a PEM fuel cell with cooling flow field

    S.M. Rahgoshay;A.A. Ranjbar;A. Ramiar;E. Alizadeh

  • Solidification of nano-enhanced phase change material (NEPCM) in a wavy cavity

    S. Kashani;A. A. Ranjbar;M. Abdollahzadeh;S. Sebti

  • Effect of using nanofluids on efficiency of parabolic trough collectors in solar thermal electric power plants

    Seyed Ebrahim Ghasemi;Ali Akbar Ranjbar

  • Numerical heat transfer studies of a latent heat storage system containing nano-enhanced phase change material

    Ali Akbar Ranjbar;Sina Kashani;Seyed Farid Hosseinizadeh;Morteza Ghanbarpour

  • Thermal and exergy optimization of a nanofluid-based direct absorption solar collector

    Tahereh B. Gorji;A.A. Ranjbar

  • Improving PEM fuel cell performance and effective water removal by using a novel gas flow field

    M. Rahimi-Esbo;A.A. Ranjbar;A. Ramiar;E. Alizadeh

  • Mittag-Leffler Stability Theorem for Fractional Nonlinear Systems with Delay

    S. J. Sadati;D. Baleanu;A. Ranjbar;R. Ghaderi

Frequent Co-Authors

Mohammad Hosseini
Mohammad Hosseini Golestan University
Davood Domiri Ganji
Davood Domiri Ganji Babol Noshirvani University of Technology
Thabet Abdeljawad
Thabet Abdeljawad Prince Sultan University
Dumitru Baleanu
Dumitru Baleanu Lebanese American University
Shaher Momani
Shaher Momani University of Jordan
Bahman Shabani
Bahman Shabani RMIT University
Lasse Rosendahl
Lasse Rosendahl Aarhus University
Fahd Jarad
Fahd Jarad Çankaya University
Majid Ebrahimi Warkiani
Majid Ebrahimi Warkiani University of Technology Sydney
Kh. Hosseinzadeh
Kh. Hosseinzadeh University of Mazandaran

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