World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
48
Citations
11115
World Ranking
4498
National Ranking
110

Changkook Ryu 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 Changkook Ryu 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: 174 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Changkook Ryu 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 Changkook Ryu 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: 48 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Changkook Ryu is affiliated with Sungkyunkwan University in South Korea and has contributed extensively to the field of engineering, with a focus on various subfields including biomedical engineering, mechanical engineering, computational mechanics, materials chemistry, and fluid flow and transfer processes.

Their research primarily addresses topics related to thermochemical biomass conversion processes, combustion and flame dynamics, radiative heat transfer studies, iron and steelmaking processes, coal combustion and slurry processing, advanced combustion engine technologies, and catalysts for methane reforming.

Frequent coauthors who have collaborated with Changkook Ryu include Seunghan Yu, Hyunbin Jo, Heeyoon Kim, Jong-Keun Park, and Mukyeong Kim.

The scientist has published numerous papers across several notable venues. Key publication venues with multiple contributions include Energies, Applied Thermal Engineering, Fuel, the Journal of the Korean Society of Combustion, and Energy.

Significant recent papers authored include:

  • Mechanistic insights into the (im)mobilization of arsenic, cadmium, lead, and zinc in a multi-contaminated soil treated with different biochars, 2021, Environment International
  • A novel liquid air energy storage system using a combination of sensible and latent heat storage, 2021, Applied Thermal Engineering
  • Progressive deconvolution of biomass thermogram to derive lignocellulosic composition and pyrolysis kinetics for parallel reaction model, 2022, Energy
  • Methane Pyrolysis in Molten Potassium Chloride: An Experimental and Economic Analysis, 2021, Energies
  • Synergistic effects of CO2 on ex situ catalytic pyrolysis of lignocellulosic biomass over a Ni/SiO2 catalyst, 2020, Journal of CO2 Utilization

Best Publications

  • Production and utilization of biochar: A review

    Jin Sun Cha;Sung Hoon Park;Sang-Chul Jung;Changkook Ryu

  • Comparison of biochar properties from biomass residues produced by slow pyrolysis at 500 °C

    Yongwoon Lee;Jinje Park;Changkook Ryu;Ki Seop Gang;Ki Seop Gang

  • Highly stretchable piezoelectric-pyroelectric hybrid nanogenerator.

    Ju Hyuck Lee;Keun Young Lee;Manoj Kumar Gupta;Tae Yun Kim

  • Effect of fuel properties on biomass combustion: Part I. Experiments—fuel type, equivalence ratio and particle size

    Changkook Ryu;Yao Bin Yang;Adela Khor;Nicola E Yates

  • Characterization of cadmium removal from aqueous solution by biochar produced from a giant Miscanthus at different pyrolytic temperatures.

    Woong Ki Kim;Taeyong Shim;Yong Seong Kim;Seunghun Hyun

  • Bio-oil production from fast pyrolysis of waste furniture sawdust in a fluidized bed.

    Hyeon Su Heo;Hyun Ju Park;Young-Kwon Park;Changkook Ryu

  • The characteristics of bio-oil produced from the pyrolysis of three marine macroalgae

    Yoon Ju Bae;Changkook Ryu;Jong Ki Jeon;Junhong Park

  • Slow pyrolysis of rice straw: analysis of products properties, carbon and energy yields.

    Jinje Park;Yongwoon Lee;Changkook Ryu;Young-Kwon Park

  • Effect of process parameters on pelletisation of herbaceous crops

    P. Gilbert;P. Gilbert;C. Ryu;V. Sharifi;J. Swithenbank

  • Influence of soil properties and feedstocks on biochar potential for carbon mineralization and improvement of infertile soils

    Ali El-Naggar;Ali El-Naggar;Ali El-Naggar;Sang Soo Lee;Yasser Mahmoud Awad;Yasser Mahmoud Awad;Xiao Yang;Xiao Yang

  • Effect of fuel properties on biomass combustion. Part II. Modelling approach—identification of the controlling factors

    Yao Bin Yang;Changkook Ryu;Adela Khor;Nicola E. Yates

  • Tar reduction in pyrolysis vapours from biomass over a hot char bed.

    P. Gilbert;C. Ryu;V. Sharifi;J. Swithenbank

  • Characteristics of biochar produced from slow pyrolysis of Geodae-Uksae 1.

    Yongwoon Lee;Pu Reun Byul Eum;Changkook Ryu;Young Kwon Park

  • Clean bio-oil production from fast pyrolysis of sewage sludge: effects of reaction conditions and metal oxide catalysts.

    Hyun Ju Park;Hyeon Su Heo;Young-Kwon Park;Jin-Heong Yim

  • Biochar-induced metal immobilization and soil biogeochemical process: An integrated mechanistic approach.

    Ali El-Naggar;Mi Hee Lee;Jin Hur;Young Han Lee

  • Characterisation of slow pyrolysis products from segregated wastes for energy production.

    Anh N. Phan;Changkook Ryu;Vida N. Sharifi;Jim Swithenbank

  • Fuel size effect on pinewood combustion in a packed bed

    Yao Bin Yang;Changkook Ryu;Adela Khor;Vida N. Sharifi

  • The reuse of spent mushroom compost and coal tailings for energy recovery: comparison of thermal treatment technologies.

    Karen N. Finney;Changkook Ryu;Vida N. Sharifi;Jim Swithenbank

  • Influence of operation variables on fast pyrolysis of Miscanthus sinensis var. purpurascens.

    Hyeon Su Heo;Hyun Ju Park;Jin-Heong Yim;Jung Min Sohn

  • Mathematical modelling of slow pyrolysis of segregated solid wastes in a packed-bed pyrolyser

    Yao Bin Yang;Anh N Phan;Changkook Ryu;Vida Sharifi

Frequent Co-Authors

Jim Swithenbank
Jim Swithenbank University of Sheffield
Vida N. Sharifi
Vida N. Sharifi University of Sheffield
Young-Kwon Park
Young-Kwon Park University of Seoul
Sunghoon Park
Sunghoon Park Ulsan National Institute of Science and Technology
Jaehoon Kim
Jaehoon Kim Hanyang University
Paola Lettieri
Paola Lettieri University College London
Seung-Soo Kim
Seung-Soo Kim Kangwon National University
Dong Jin Suh
Dong Jin Suh Korea Institute of Science and Technology
Yong Sik Ok
Yong Sik Ok Korea University
Jörg Rinklebe
Jörg Rinklebe University of Wuppertal

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