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Topic · Safety, Risk, Reliability and Quality

Nuclear and radioactivity studies

Nuclear and radioactivity studies is a research topic within Safety, Risk, Reliability and Quality. Science Explorer counts 32k research works in it since 1950. 12.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers a wide range of topics related to the safety and management of nuclear fuel transportation, including radiation protection, spent fuel storage, impact analysis, regulatory requirements, and radioactive waste management. It addresses issues such as optimization of fuel spacer grids, impact characteristics of transport casks, safety evaluations in energy-limited events, and the environmental impact assessment process for nuclear facilities.

  • Nuclear Fuel
  • Radiation Protection
  • Spent Fuel
  • Transport Cask
  • Radioactive Waste Management
  • Safety Analysis
  • Finite Element Analysis
  • Spacer Grid
  • Impact Loading
  • Regulatory Requirements
Research works
32k
fractional, since 1950
In the world top 10%
3.9k
per year above
Top-10% rate
12.0%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
-7%
the tick is no change

Which countries lead Nuclear and radioactivity studies research?

By volume, the United States and China publish the most (679 and 410 works in 2022–2025).

By volume, 2022–2025

  1. 1 United States 679 works
  2. 2 China 410 works
  3. 3 Japan 249 works
  4. 4 India 176 works
  5. 5 Russia 169 works
  6. 6 United Kingdom 142 works
  7. 7 South Korea 135 works
  8. 8 Germany 127 works
  9. 9 France 126 works
  10. 10 Indonesia 104 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.

United States: 29.3%China: 17.7%Japan: 10.8%India: 7.6%6 others listed: 34.6%29%largest
United States679 · 29.3%China410 · 17.7%Japan249 · 10.8%India176 · 7.6%6 others listed803 · 34.6%

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

Which institutions lead Nuclear and radioactivity studies research?

By volume in 2022–2025, Idaho National Laboratory publishes the most Nuclear and radioactivity studies research, followed by Oak Ridge National Laboratory and Japan Atomic Energy Agency.

By volume, 2022–2025

  1. 1 Idaho National LaboratoryUnited States 73 works
  2. 2 Oak Ridge National LaboratoryUnited States 53 works
  3. 3 Japan Atomic Energy AgencyJapan 47 works
  4. 4 China General Nuclear Power Corporation (China)China 38 works
  5. 5 Sandia National LaboratoriesUnited States 30 works
  6. 6 Tsinghua UniversityChina 30 works
  7. 7 Bhabha Atomic Research CentreIndia 26 works
  8. 8 National Nuclear Energy Agency of IndonesiaIndonesia 24 works
  9. 9 Los Alamos National LaboratoryUnited States 21 works
  10. 10 Korea Atomic Energy Research InstituteSouth Korea 20 works

Where is Nuclear and radioactivity studies research done?

The largest centres of Nuclear and radioactivity studies research in 2022–2025 are Beijing (China), Moscow (Russia), Tokyo (Japan) and Idaho Falls (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Tōkai Mura, Idaho Falls and Oak Ridge.

Largest cities, 2022–2025

  1. 1 Beijing China 146 works
  2. 2 Moscow Russia 96 works
  3. 3 Tokyo Japan 85 works
  4. 4 Idaho Falls United States 74 works
  5. 5 Oak Ridge United States 54 works
  6. 6 Mumbai India 51 works
  7. 7 Tōkai Mura Japan 47 works
  8. 8 Jakarta Indonesia 43 works
  9. 9 London United Kingdom 43 works
  10. 10 Paris France 43 works

Where it is the local speciality

  1. Tōkai MuraJP · 47.5 works167×
  2. Idaho FallsUS · 73.7 works166×
  3. Oak RidgeUS · 53.9 works45×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Nuclear and radioactivity studies than the world average.

See Nuclear and radioactivity studies on the map

Where is the best place to study Nuclear and radioactivity studies?

Among universities, judged by research, Fukushima University, National Research Nuclear University MEPhI and Ural Federal 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%10%20%mean 11.07%fractional works in this node (log) →share in the world top 10% →Fukushima University: 12, 13.0%National Research Nuclear University MEPhI: 14, 7.3%Ural Federal University: 8, 16.2%Tsinghua University: 30, 14.8%Tokyo Institute of Technology: 10, 10.2%The University of Tokyo: 16, 16.2%University of South China: 15, 8.3%Homi Bhabha National Institute: 11, 3.4%Xi'an Jiaotong University: 17, 17.1%Kyung Hee University: 11, 4.2%Ural Federal Univers…Tsinghua UniversityFukushima UniversityNational Research Nu…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Fukushima UniversityJapan 61.313.0%160.8×12 +166.9%
2 National Research Nuclear University MEPhIRussia 56.07.3%33.0×14 +555.4%
3 Ural Federal UniversityRussia 48.216.2%8.1×8 —
4 Tsinghua UniversityChina 43.314.8%4.4×30 -28.0%
5 Tokyo Institute of TechnologyJapan 42.510.2%8.2×10 +24.3%
6 The University of TokyoJapan 41.516.2%3.8×16 +29.3%
7 University of South ChinaChina 41.38.3%16.7×15 -59.3%
8 Homi Bhabha National InstituteIndia 40.63.4%15.6×11 —
9 Xi'an Jiaotong UniversityChina 39.817.1%3.0×17 +34.8%
10 Kyung Hee UniversitySouth Korea 39.44.2%8.5×11 +50.0%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Nuclear and radioactivity studies research growing?

Output in 2018–2022 was 7% lower than in 2013–2017, peaking in 2024. The fastest-growing topics are Nuclear and radioactivity studies.

19801990200020102020
grewheldshrank

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

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.