World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
64
Citations
10848
World Ranking
1707
National Ranking
340

Changwei Ji 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 Changwei Ji 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: 271 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Changwei Ji 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 Changwei Ji 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: 64 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Overview

Changwei Ji is affiliated with Beijing University of Technology in China. Their research primarily focuses on engineering, with a significant number of publications contributing to the subfields of fluid flow and transfer processes, computational mechanics, automotive engineering, materials chemistry, and biomedical engineering.

Their work covers main topics such as advanced combustion engine technologies, combustion and flame dynamics, and vehicle emissions and performance. Other areas include catalytic processes in materials science, biodiesel production and applications, combustion and detonation processes, and advanced battery technologies research.

Changwei Ji has published extensively in several scientific venues. Frequent publication venues include:

  • Fuel
  • International Journal of Hydrogen Energy
  • Energy
  • SSRN Electronic Journal
  • Applied Thermal Engineering

The following are selected recent papers authored or coauthored by Changwei Ji, including their publication year and venue:

  • Experimental and numerical study on premixed partially dissociated ammonia mixtures. Part I: Laminar burning velocity of NH3/H2/N2/air mixtures, 2021, International Journal of Hydrogen Energy
  • Multi-objective optimization of a hydrogen-fueled Wankel rotary engine based on machine learning and genetic algorithm, 2022, Energy
  • Effect of different volume fractions of ammonia on the combustion and emission characteristics of the hydrogen-fueled engine, 2022, International Journal of Hydrogen Energy
  • Numerical study of the premixed ammonia-hydrogen combustion under engine-relevant conditions, 2020, International Journal of Hydrogen Energy
  • Measurement of oxy-ammonia laminar burning velocity at normal and elevated temperatures, 2020, Fuel

Changwei Ji collaborates frequently with several researchers in their field. The most common coauthors include:

  • Shuofeng Wang
  • Jinxin Yang
  • Hao Meng
  • Huaiyu Wang
  • Xin Gu

Best Publications

  • Effect of hydrogen addition on combustion and emissions performance of a spark ignition gasoline engine at lean conditions

    Unknown

  • Combustion and emissions performance of a hybrid hydrogen–gasoline engine at idle and lean conditions

    Changwei Ji;Shuofeng Wang

  • Multi-objective optimization of a hydrogen-fueled Wankel rotary engine based on machine learning and genetic algorithm

    Unknown

  • Numerical study of the premixed ammonia-hydrogen combustion under engine-relevant conditions

    Du Wang;Changwei Ji;Shuofeng Wang;Jinxin Yang

  • Effect of hydrogen addition on combustion and emissions performance of a gasoline rotary engine at part load and stoichiometric conditions

    Changwei Ji;Teng Su;Shuofeng Wang;Bo Zhang

  • Effect of hydrogen addition on the idle performance of a spark ignited gasoline engine at stoichiometric condition

    Unknown

  • Combustion and emissions characteristics of a hybrid hydrogen–gasoline engine under various loads and lean conditions

    Changwei Ji;Shuofeng Wang;Bo Zhang

  • Effect of different volume fractions of ammonia on the combustion and emission characteristics of the hydrogen-fueled engine

    Unknown

  • Effect of spark timing on performance of a hydrogen-gasoline rotary engine

    Teng Su;Changwei Ji;Shuofeng Wang;Lei Shi

  • Cyclic variation in a hydrogen-enriched spark-ignition gasoline engine under various operating conditions

    Shuofeng Wang;Changwei Ji

  • Measurement of oxy-ammonia laminar burning velocity at normal and elevated temperatures

    Du Wang;Changwei Ji;Zhe Wang;Shuofeng Wang

  • Mesoporous NiCoP microflowers as a superior electrode material for supercapacitors

    Yuhong Jin;Chenchen Zhao;Qianlei Jiang;Changwei Ji

  • Lean burn performance of a hydrogen-blended gasoline engine at the wide open throttle condition

    Shuofeng Wang;Changwei Ji;Bo Zhang;Xiaolong Liu

  • Experimental study on combustion and emissions performance of a hybrid hydrogen–gasoline engine at lean burn limits

    Unknown

  • Effect of hydrogen addition on combustion and emissions performance of a spark-ignited ethanol engine at idle and stoichiometric conditions

    Shuofeng Wang;Changwei Ji;Bo Zhang

  • An insight into direct water injection applied on the hydrogen-enriched rotary engine

    Unknown

  • Understanding the role of turbulence-induced blade configuration in improving combustion process for hydrogen-enriched rotary engine

    Unknown

  • Performance of a hydrogen-enriched ethanol engine at unthrottled and lean conditions

    Bo Zhang;Changwei Ji;Shuofeng Wang

  • Experimental and numerical study on premixed partially dissociated ammonia mixtures. Part I: Laminar burning velocity of NH3/H2/N2/air mixtures

    Changwei Ji;Zhe Wang;Du Wang;Ruifeng Hou

  • Effect of spark timing on the performance of a hybrid hydrogen-gasoline engine at lean conditions

    Changwei Ji;Shuofeng Wang;Bo Zhang

  • Effects of hydrogen direct-injection angle and charge concentration on gasoline-hydrogen blending lean combustion in a Wankel engine

    Cheng Shi;Changwei Ji;Shuofeng Wang;Jinxin Yang

  • Performance of a hybrid hydrogen–gasoline engine under various operating conditions

    Changwei Ji;Shuofeng Wang;Bo Zhang

  • Numerical study on ignition amelioration of a hydrogen-enriched Wankel engine under lean-burn condition

    Cheng Shi;Changwei Ji;Yunshan Ge;Shuofeng Wang

  • Combustion analysis and emissions characteristics of a hydrogen-blended methanol engine at various spark timings

    Bo Zhang;Changwei Ji;Shuofeng Wang

  • Investigation on the performance of a spark-ignited ethanol engine with DME enrichment

    Chen Liang;Changwei Ji;Binbin Gao;Xiaolong Liu

  • Investigation on performance of a hydrogen-gasoline rotary engine at part load and lean conditions

    Teng Su;Changwei Ji;Shuofeng Wang;Lei Shi

  • Enhancing the performance of a spark-ignition methanol engine with hydrogen addition

    Changwei Ji;Bo Zhang;Shuofeng Wang

  • Combustion and emissions performance of a DME-enriched spark-ignited methanol engine at idle condition

    Chen Liang;Changwei Ji;Xiaolong Liu

  • Investigation on combustion and emissions of DME/gasoline mixtures in a spark-ignition engine

    Changwei Ji;Chen Liang;Shuofeng Wang

Frequent Co-Authors

Jinxin Yang
Jinxin Yang Beijing University of Technology

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