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Topic · Mechanical Engineering

Electrical Contact Performance and Analysis

Electrical Contact Performance and Analysis is a research topic within Mechanical Engineering. Science Explorer counts 10k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the dynamics and performance of pantograph-catenary systems in railway electrification. It covers topics such as wear prediction, sliding wear behavior, arc erosion, influence of electrical current, and the development of new electrical contact materials. The research also delves into the impact of aerodynamic forces, temperature, and various parameters on the pantograph-catenary interaction for high-speed trains.

  • Pantograph-Catenary Interaction
  • Electrical Contact Materials
  • Wear Prediction
  • Dynamic Performance
  • Railway Current Collectors
  • Sliding Wear Behavior
  • Arc Erosion
  • High-Speed Trains
  • Electromagnetic Valve Actuators
  • Passive Intermodulation
Research works
10k
fractional, since 1950
In the world top 10%
995
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+35%
the tick is no change
Largest producer
China
64% of the 10 largest, 2022-now
Electrical Contact Performance and Analysis

Which countries lead Electrical Contact Performance and Analysis research?

By volume, China and the United States publish the most (1.1k and 133 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.1k works
  2. 2 United States 133 works
  3. 3 Germany 88 works
  4. 4 Japan 81 works
  5. 5 India 76 works
  6. 6 United Kingdom 66 works
  7. 7 Russia 54 works
  8. 8 Italy 54 works
  9. 9 France 47 works
  10. 10 South Korea 46 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 63.5%United States: 7.5%Germany: 5.0%Japan: 4.6%6 others listed: 19.4%64%largest
China1,124 · 63.5%United States133 · 7.5%Germany88 · 5.0%Japan81 · 4.6%6 others listed343 · 19.4%

Shares of the rows listed above, not of the whole node.

Which institutions lead Electrical Contact Performance and Analysis research?

By volume in 2022-now, Southwest Jiaotong University publishes the most Electrical Contact Performance and Analysis research, followed by Beijing Jiaotong University and Xi'an Jiaotong University.

By volume, 2022-now

  1. 1 Southwest Jiaotong UniversityChina 126 works
  2. 2 Beijing Jiaotong UniversityChina 47 works
  3. 3 Xi'an Jiaotong UniversityChina 46 works
  4. 4 Harbin Institute of TechnologyChina 34 works
  5. 5 Chinese Academy of SciencesChina 29 works
  6. 6 State Grid Corporation of China (China)China 20 works
  7. 7 China Academy of Railway SciencesChina 19 works
  8. 8 Lanzhou Jiaotong UniversityChina 18 works
  9. 9 Tongji UniversityChina 17 works
  10. 10 Centre National de la Recherche ScientifiqueFrance 16 works

Who are the leading researchers in Electrical Contact Performance and Analysis?

The most-cited researchers publishing on Electrical Contact Performance and Analysis include Zhong Lin Wang, Kenji Watanabe and Kai You Wang.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Kenji Watanabe Japan 237k citations
  3. 3 Kai You Wang China 224k citations
  4. 4 Frede Blaabjerg Denmark 203k citations
  5. 5 Seeram Ramakrishna Singapore 186k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Electrical Contact Performance and Analysis?

The most cited paper in Electrical Contact Performance and Analysis is "Electromagnetic interference shielding effectiveness of carbon materials" (Deborah D. L. Chung, 2001), with 1,879 citations. Next come "The delamination theory of wear" (1,235) and "Obtaining the specific contact resistance from transmission line model measurements" (1,040).

Most cited papers
#PaperReleasedCitations
1 Electromagnetic interference shielding effectiveness of carbon materials Deborah D. L. Chung · Carbon Feb 2001 1,879
2 The delamination theory of wear Nam Pyo Suh · Wear Jul 1973 1,235
3 Obtaining the specific contact resistance from transmission line model measurements Geoff K. Reeves, H.B. Harrison · IEEE Electron Device Letters May 1982 1,040
4 On the Electron‐Transfer Mechanism in the Contact‐Electrification Effect Cheng Xu, Yunlong Zi, Aurelia Chi Wang et al. · Advanced Materials 6 Mar 2018 961
5 Models for contacts to planar devices Horst H. Berger · Solid-State Electronics Feb 1972 928
All 100 most cited papers, with filters and sorting

Where is Electrical Contact Performance and Analysis research done?

The largest centres of Electrical Contact Performance and Analysis research in 2022-now are Beijing (China), Chengdu (China), Xi'an (China) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Chengdu, Lanzhou and Xi'an.

Largest cities, 2022-now

  1. 1 BeijingChina 238 works
  2. 2 ChengduChina 150 works
  3. 3 Xi'anChina 74 works
  4. 4 ShanghaiChina 57 works
  5. 5 HarbinChina 38 works
  6. 6 ChangshaChina 34 works
  7. 7 WuhanChina 33 works
  8. 8 NanjingChina 32 works
  9. 9 TianjinChina 31 works
  10. 10 GuangzhouChina 29 works

Where it is the local speciality

  1. ChengduCN · 149.5 works10×
  2. LanzhouCN · 25.0 works5.5×
  3. Xi'anCN · 74.1 works4.5×
  4. HarbinCN · 38.0 works4.5×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Electrical Contact Performance and Analysis than the world average.

See Electrical Contact Performance and Analysis on the map

Where is the best place to study Electrical Contact Performance and Analysis?

Among universities, judged by research, Southwest Jiaotong University, Tianjin University and Beijing Jiaotong University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 18.85%fractional works in this field (log) →share of work in the world top 10% →Tianjin UniversityHenan University of …Southwest Jiaotong U…Beijing Jiaotong Uni…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Southwest Jiaotong UniversityChina 79.717.8%87.5×126 +57.0%
2Tianjin UniversityChina 60.334.2%3.9×9 +77.9%
3Beijing Jiaotong UniversityChina 56.115.3%41.1×47 -6.4%
4Henan University of Science and TechnologyChina 54.024.2%20.1×10 +71.5%
5Xi'an Jiaotong UniversityChina 52.99.2%13.9×46 +101.9%
6Tongji UniversityChina 52.818.1%5.8×17 +56.6%
7Politecnico di MilanoItaly 52.111.7%7.2×10 +39.9%
8Central South UniversityChina 51.521.1%3.8×14 +19.1%
9Shandong UniversityChina 50.127.3%3.3×8 +327.9%
10Hefei University of TechnologyChina 46.59.6%13.7×14 +226.0%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Electrical Contact Performance and Analysis, country by country

Is Electrical Contact Performance and Analysis research growing?

Output in 2022-2025 was 35% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Electrical Contact Performance and Analysis.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Electrical Contact Performance and Analysis as a percentage of every work published that year, 0.0094% in 2024.

still counting0.010%0.020%Electrical Contact Performance and Analysis0.0098% in 202519801990200020102020

Fractional works of Electrical Contact Performance and Analysis over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Electrical Contact Performance and Analysis9.7% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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