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Research facility · Uiwang · South Korea

Korea Railroad Research Institute

In research, Korea Railroad Research Institute stands highest in Physical Sciences (#6,767 of 12,888 worldwide) and Engineering (#3,638 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Civil and Structural Engineering and Mechanical Engineering — Civil and Structural Engineering is 9.2× its share of world research.

krri.re.krROR OpenAlex
World rank, 2022–2025
#12,561
of 28,054 · #11,415 all time
Rank in South Korea
#225
of 417
Research works
1.7k
▼ 18% vs 2013–17
Citations
23k
13.7 per fractional work
Top-10% rate
14.5%
record average 16.5%
Open access
41%
world 28%

What is Korea Railroad Research Institute known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #6,767 of 12,888 13.5%228 #6644
EngineeringField #3,638 of 6,636 11.8%176 #1586

Each strip is that field’s whole ranked pool, with the notch where Korea Railroad Research Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Korea Railroad Research Institute specialise in?

Where its research is concentrated relative to its size: Civil and Structural Engineering takes 9.2× the share of its output that it takes of world research.

  1. Civil and Structural EngineeringSubfield · 27.9 works9.2×
  2. Mechanical EngineeringSubfield · 26.9 works5.7×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.13× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.05× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.20× its world share, 1 worksNeuroscienceChemical Engineering: 1.41× its world share, 1 worksChemical EngineeringChemistry: 0.46× its world share, 2 worksChemistryComputer Science: 0.62× its world share, 12 worksComputer ScienceEarth and Planetary Sciences: 0.77× its world share, 3 worksEarth and Planetary …Energy: 1.46× its world share, 4 worksEnergyEngineering: 4.52× its world share, 176 worksEngineeringEnvironmental Science: 1.38× its world share, 18 worksEnvironmental ScienceMaterials Science: 0.87× its world share, 8 worksMaterials ScienceMathematics: 0.11× its world share, 0 worksMathematicsPhysics and Astronomy: 0.65× its world share, 4 worksPhysics and AstronomyHealth Professions: 0.20× its world share, 1 worksHealth ProfessionsMedicine: 0.10× its world share, 5 worksMedicineBusiness, Management and Accounting: 0.39× its world share, 3 worksBusiness, Management…Decision Sciences: 0.77× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.18× its world share, 1 worksEconomics, Econometr…Psychology: 0.25× its world share, 2 worksPsychologySocial Sciences: 0.41× its world share, 14 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 4.5×. Every wedge is a field page.

Who are the top researchers at Korea Railroad Research Institute?

Ranked on the composite score, Youngmin Cho, Duckshin Park and Il-Wha Lee lead among researchers whose main affiliation is Korea Railroad Research Institute.

  1. 1 Youngmin Cho South Korea · #177,718 worldwide 136 citations · 41 works
  2. 2 Duckshin Park South Korea · #396,544 worldwide 155 citations · 35 works
  3. 3 Il-Wha Lee South Korea · #435,323 worldwide 9 citations · 24 works
  4. 4 Dong‐Hyung Lee South Korea · #482,932 worldwide 119 citations · 57 works
  5. 5 Chang‐Young Lee South Korea · #518,159 worldwide 88 citations · 41 works
  6. 6 Donghoon Kang South Korea · #556,615 worldwide 74 citations · 30 works
  7. 7 Seung Yup Jang South Korea · #591,344 worldwide 111 citations · 19 works
  8. 8 Yong-Kyu Kim South Korea · #614,990 worldwide 38 citations · 44 works
  9. 9 Wootae Jeong South Korea · #655,549 worldwide 25 citations · 21 works
  10. 10 Soon-Bark Kwon South Korea · #699,248 worldwide 58 citations · 34 works
All ranked researchers at Korea Railroad Research Institute

Which keywords describe research at Korea Railroad Research Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: High-Speed Trains, Power Electronics, Renewable Energy Integration, Dynamic Interaction, Rolling Contact Fatigue, Ground Vibration, Railway Dynamics and Energy Efficiency.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. High-Speed Trains18▲ 109×3 topics
  2. Power Electronics18▲ 21×8 topics
  3. Renewable Energy Integration15▲ 17×4 topics
  4. Deep Learning14▲ 1.62×26 topics
  5. Energy Efficiency12▲ 5.0×13 topics
  6. Dynamic Interaction12▲ 71×2 topics
  7. Environmental Impact12▲ 2.6×17 topics
  8. Rolling Contact Fatigue12▲ 76×2 topics
  9. Ground Vibration11▲ 156×1 topic
  10. Railway Dynamics11▲ 156×1 topic
  11. Electric Vehicle Charging9▲ 40×2 topics
  12. Neural Networks9▲ 2.2×12 topics
  13. Model Predictive Control8▲ 12×4 topics
  14. Thermal Management8▲ 9.1×5 topics
  15. Travel Behavior8▲ 32×2 topics
  16. Photovoltaic Systems7▲ 31×3 topics
  17. DC-DC Converters7▲ 46×1 topic
  18. High-Frequency Power Conversion7▲ 46×1 topic
  19. Numerical Simulation7▲ 8.9×7 topics
  20. Energy Storage7▲ 3.9×8 topics
  21. Optimization7▲ 5.5×12 topics
  22. Fault Tolerance6▲ 16×2 topics
  23. Multilevel Converters6▲ 44×1 topic
  24. Voltage Source Inverters6▲ 44×1 topic
  25. Particulate Matter6▲ 15×2 topics
  26. Optimal Control6▲ 30×2 topics
  27. Finite Element Analysis6▲ 9.4×5 topics
  28. Railway Timetabling6▲ 126×1 topic
  29. Train Scheduling6▲ 126×1 topic
  30. Vehicle Dynamics6▲ 37×2 topics
  31. Public Transport6▲ 36×2 topics
  32. Urban Mobility6▲ 36×2 topics
  33. User Satisfaction6▲ 11×2 topics
  34. Route Choice5▲ 37×1 topic
  35. Service Quality5▲ 7.6×1 topic
  36. Aerodynamics5▲ 31×2 topics
  37. Crosswind5▲ 69×1 topic
  38. Turbulent Wake5▲ 69×1 topic
  39. Defect Detection5▲ 14×3 topics
  40. Reliability5▲ 23×2 topics

Which research topics does Korea Railroad Research Institute publish most on?

By volume in 2022–2025: Railway Engineering and Dynamics, Advanced DC-DC Converters, Multilevel Inverters and Converters and Railway Systems and Energy Efficiency.

Railway Engineering and Dynamics: 11 fractional worksAdvanced DC-DC Converters: 7 fractional worksMultilevel Inverters and…6Multilevel Inverters and Converters: 6 fractional worksRailway Systems and Ener…6Railway Systems and Energy Efficiency: 6 fractional worksTransportation Planning and Optimization: 5 fractional worksAerodynamics and Fluid Dynamics Research: 5 fractional worksSilicon Carbide Semicond…4Silicon Carbide Semiconductor Technologies: 4 fractional worksUrban Transport and Accessibility: 3 fractional worksAdvanced Battery Technologies Research: 3 fractional worksInfrastructure Maintenance and Monitoring: 3 fractional works
Mechanical EngineeringElectrical and Electronic EngineeringIndustrial and Manufacturing EngineeringTransportation3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Railway Engineering and Dynamics Mechanical Engineering 11 works
  2. 2 Advanced DC-DC Converters Electrical and Electronic Engineering 7 works
  3. 3 Multilevel Inverters and Converters Electrical and Electronic Engineering 6 works
  4. 4 Railway Systems and Energy Efficiency Industrial and Manufacturing Engineering 6 works
  5. 5 Transportation Planning and Optimization Transportation 5 works
  6. 6 Aerodynamics and Fluid Dynamics Research Aerospace Engineering 5 works
  7. 7 Silicon Carbide Semiconductor Technologies Electrical and Electronic Engineering 4 works
  8. 8 Urban Transport and Accessibility Transportation 3 works
  9. 9 Advanced Battery Technologies Research Automotive Engineering 3 works
  10. 10 Infrastructure Maintenance and Monitoring Civil and Structural Engineering 3 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available40.6%not open59.4%

World: 28% of research is openly available.

with international co-authors8.5%domestic only91.5%

World: 19% is written across borders.

How has Korea Railroad Research Institute's research output changed?

Output in 2018–2022 was 18% lower than in 2013–2017.

200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.