World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
35
Citations
3235
World Ranking
9104
National Ranking
177

S. Kaliappan publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where S. Kaliappan sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 59 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

S. Kaliappan D-index placement in Engineering and Technology in 2026

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

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 35 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

S. Kaliappan is affiliated with Anna University in Chennai, India. Their research primarily spans the fields of Engineering and Energy, with notable work in subfields including Biomedical Engineering, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Building and Construction, and Water Science and Technology.

The scientist's research focuses on several main topics such as Solar Thermal and Photovoltaic Systems, Nanofluid Flow and Heat Transfer, Anaerobic Digestion and Biogas Production, Biofuel Production and Bioconversion, Water-Energy-Food Nexus Studies, Solar-Powered Water Purification Methods, and Photovoltaic System Optimization Techniques.

Frequent publication venues for S. Kaliappan include:

  • Process Safety and Environmental Protection
  • AIP conference proceedings
  • Electric Power Components and Systems
  • Experimental Heat Transfer
  • Journal of Thermal Analysis and Calorimetry

Notable recent papers authored or co-authored by S. Kaliappan are:

  • "Enhancing thermal energy and exergy harvesting in concentrated solar power systems using graphene-ZrO2/water hybrid nanofluid: An experimental study" (2024), published in Process Safety and Environmental Protection
  • "Performance and emission characteristics of diesel blended with sweet lime peel oil and corn oil" (2020), published in AIP conference proceedings
  • "A New Design of UPQC-Based Hybrid Multi-Carrier Modulation for Transformer Less Grid Connected PV-Based Active Power Filter" (2024), published in Electric Power Components and Systems
  • "Experimental study of exergy efficiency, rheological behavior, thermal performance, and entropy generation/destruction in graphene-ZrO2/water hybrid nanofluids" (2025), published in Experimental Heat Transfer
  • "Exploration and thermal characteristics analysis of hybrid TiO2/SiO2 nanofluids passing through heavy-duty automotive radiators for intensive cooling system" (2025), published in Journal of Thermal Analysis and Calorimetry

Frequent co-authors collaborating with S. Kaliappan include:

  • R. Manikandan
  • Manzoore Elahi M. Soudagar
  • T.M. Mohamed Usman
  • S. Kavitha
  • J. Rajesh Banu

Best Publications

  • Low temperature thermo-chemical pretreatment of dairy waste activated sludge for anaerobic digestion process

    R. Uma Rani;S. Adish Kumar;S. Kaliappan;Ick-Tae Yeom

  • Impact of poor solid waste management on ground water

    P. Vasanthi;S. Kaliappan;R. Srinivasaraghavan

  • Effect of enzyme secreting bacterial pretreatment on enhancement of aerobic digestion potential of waste activated sludge interceded through EDTA

    S. Kavitha;S. Adish Kumar;K.N. Yogalakshmi;S. Kaliappan

  • Treatment of dairy wastewater using anaerobic and solar photocatalytic methods

    J. Rajesh Banu;S. Anandan;S. Kaliappan;Ick-Tae Yeom

  • Impacts of microwave pretreatments on the semi-continuous anaerobic digestion of dairy waste activated sludge.

    R. Uma Rani;S. Adish Kumar;S. Kaliappan;IckTae Yeom

  • Effect of different environmental parameters on pitting behavior of AISI type 316L stainless steel: Experimental studies and neural network modeling

    K.V.S. Ramana;K.V.S. Ramana;T. Anita;Sumantra Mandal;S. Kaliappan

  • Combined treatment of alkaline and disperser for improving solubilization and anaerobic biodegradability of dairy waste activated sludge.

    R. Uma Rani;S. Kaliappan;S. Adish Kumar;J. Rajesh Banu

  • Profitable ultrasonic assisted microwave disintegration of sludge biomass: Modelling of biomethanation and energy parameter analysis

    S. Kavitha;J. Rajesh Banu;Gopalakrishnan Kumar;S. Kaliappan

  • Influence of deflocculation on microwave disintegration and anaerobic biodegradability of waste activated sludge

    A. Vimala Ebenezer;S. Kaliappan;S. Adish Kumar;Ick-Tae Yeom

  • Treatment of domestic wastewater using upflow anaerobic sludge blanket reactor

    J. R. Banu;S. Kaliappan;I. T. Yeom

  • Enhancing the anaerobic digestion potential of dairy waste activated sludge by two step sono-alkalization pretreatment

    R. Uma Rani;S. Adish Kumar;S. Kaliappan;Ick-Tae Yeom

  • Enhancing the functional and economical efficiency of a novel combined thermo chemical disperser disintegration of waste activated sludge for biogas production.

    S. Kavitha;C. Jayashree;S. Adish Kumar;S. Kaliappan

  • Synergetic pretreatment of algal biomass through H2O2 induced microwave in acidic condition for biohydrogen production

    M. Dinesh Kumar;S. Kaliappan;S. Gopikumar;Guangyin Zhen

  • Effect of sonically induced deflocculation on the efficiency of ozone mediated partial sludge disintegration for improved production of biogas.

    G. Sowmya Packyam;S. Kavitha;S. Adish Kumar;S. Kaliappan

  • Treatment of tannery wastewater using hybrid upflow anaerobic sludge blanket reactor

    J Rajesh Banu;S Kaliappan

  • Comparison of AMC-dependent CN-conversion Formulae

    S. K. Mishra;M. K. Jain;P. Suresh Babu;K. Venugopal

  • Enhancement of sludge anaerobic biodegradability by combined microwave-H2O2 pretreatment in acidic conditions

    Parvathy Eswari;S. Kavitha;S. Kaliappan;Ick-Tae Yeom

  • Improving the amenability of municipal waste activated sludge for biological pretreatment by phase-separated sludge disintegration method.

    S. Kavitha;S. Adish Kumar;S. Kaliappan;Ick Tae Yeom

  • Surfactant assisted disperser pretreatment on the liquefaction of Ulva reticulata and evaluation of biodegradability for energy efficient biofuel production through nonlinear regression modelling

    M. Dinesh Kumar;K. Tamilarasan;S. Kaliappan;J. Rajesh Banu

  • Accelerating the sludge disintegration potential of a novel bacterial strain Planococcus jake 01 by CaCl2 induced deflocculation

    S. Kavitha;T. Saranya;S. Kaliappan;S. Adish Kumar

Frequent Co-Authors

J. Rajesh Banu
J. Rajesh Banu Central University of Tamil Nadu
Sumantra Mandal
Sumantra Mandal Indian Institute of Technology Kharagpur
Surendra Kumar Mishra
Surendra Kumar Mishra Indian Institute of Technology Roorkee
Guangyin Zhen
Guangyin Zhen East China Normal University
Gopalakrishnan Kumar
Gopalakrishnan Kumar Yonsei University
Sang-Hyoun Kim
Sang-Hyoun Kim Yonsei University

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