Science Explorer Interactive view Map

Nuclear Engineering Thermal-Hydraulics

Nuclear Engineering Thermal-Hydraulics is a research topic within Aerospace Engineering. Science Explorer counts 17k research works in it since 1950. 30.5% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on nuclear thermal hydraulics, particularly in the context of passive systems. It covers topics such as direct contact condensation, natural circulation loops, safety assessment, large eddy simulation, uncertainty evaluation, T-junction mixing, stability behavior, and reliability evaluation.

  • Passive Systems
  • Thermal-Hydraulic Analysis
  • Direct Contact Condensation
  • Natural Circulation Loops
  • Safety Assessment
  • Large Eddy Simulation
  • Uncertainty Evaluation
  • T-Junction Mixing
  • Stability Behavior
  • Reliability Evaluation
Research works
17k
fractional, since 1950
In the world top 10%
5.1k
per year above
Top-10% rate
30.5%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+20%
the tick is no change

Which countries lead Nuclear Engineering Thermal-Hydraulics research?

By volume, China and the United States publish the most (1.2k and 497 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1.2k works
  2. 2 United States 497 works
  3. 3 South Korea 156 works
  4. 4 India 155 works
  5. 5 Russia 130 works
  6. 6 Japan 126 works
  7. 7 France 113 works
  8. 8 Germany 103 works
  9. 9 Italy 76 works
  10. 10 United Kingdom 68 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: 45.5%United States: 19.0%South Korea: 6.0%India: 5.9%6 others listed: 23.6%46%largest
China1,191 · 45.5%United States497 · 19.0%South Korea156 · 6.0%India155 · 5.9%6 others listed616 · 23.6%

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

Which institutions lead Nuclear Engineering Thermal-Hydraulics research?

By volume in 2022–2025, Xi'an Jiaotong University publishes the most Nuclear Engineering Thermal-Hydraulics research, followed by Harbin Engineering University and China General Nuclear Power Corporation (China).

Who are the leading researchers in Nuclear Engineering Thermal-Hydraulics?

The most-cited researchers publishing on Nuclear Engineering Thermal-Hydraulics include George Em Karniadakis and Enrico Zio.

  1. 1 George Em Karniadakis United States 6.3k citations
  2. 2 Enrico Zio Italy 2.4k citations

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

Where is Nuclear Engineering Thermal-Hydraulics research done?

The largest centres of Nuclear Engineering Thermal-Hydraulics research in 2022–2025 are Beijing (China), Xi'an (China), Shanghai (China) and Harbin (China). 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 246 works
  2. 2 Xi'an China 154 works
  3. 3 Shanghai China 119 works
  4. 4 Harbin China 100 works
  5. 5 Shenzhen China 89 works
  6. 6 Moscow Russia 70 works
  7. 7 Daejeon South Korea 61 works
  8. 8 Tokyo Japan 49 works
  9. 9 Mumbai India 42 works
  10. 10 Nanjing China 40 works

Where it is the local speciality

  1. Tōkai MuraJP · 34.2 works135×
  2. Idaho FallsUS · 40.1 works101×
  3. Oak RidgeUS · 27.9 works26×
← less than its size predictsmore →

Location quotient: how much more of its research is in Nuclear Engineering Thermal-Hydraulics than the world average.

See Nuclear Engineering Thermal-Hydraulics on the map

Where is the best place to study Nuclear Engineering Thermal-Hydraulics?

Among universities, judged by research, Xi'an Jiaotong University, Pakistan Institute of Engineering and Applied Sciences and Ulsan National Institute of Science and Technology 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%25%50%75%mean 40.47%fractional works in this node (log) →share in the world top 10% →Xi'an Jiaotong University: 124, 46.3%Pakistan Institute of Engineering and Applied Sciences: 9, 62.7%Ulsan National Institute of Science and Technology: 13, 37.4%Shanghai Jiao Tong University: 65, 40.3%Harbin Engineering University: 81, 32.0%Texas A&M University: 18, 44.0%North Carolina State University: 14, 42.6%KTH Royal Institute of Technology: 16, 35.1%Tsinghua University: 52, 39.8%Homi Bhabha National Institute: 15, 24.5%Pakistan Institute o…Xi'an Jiaotong Unive…Shanghai Jiao Tong U…Ulsan National Insti…
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 Xi'an Jiaotong UniversityChina 77.146.3%24.9×124 +92.3%
2 Pakistan Institute of Engineering and Applied SciencesPakistan 67.462.7%80.7×9 +38.8%
3 Ulsan National Institute of Science and TechnologySouth Korea 64.237.4%28.3×13 +339.9%
4 Shanghai Jiao Tong UniversityChina 62.940.3%9.7×65 -10.3%
5 Harbin Engineering UniversityChina 61.632.0%49.8×81 +18.4%
6 Texas A&M UniversityUnited States 58.244.0%7.7×18 +126.7%
7 North Carolina State UniversityUnited States 58.242.6%7.8×14 +172.0%
8 KTH Royal Institute of TechnologySweden 57.735.1%14.5×16 +29.2%
9 Tsinghua UniversityChina 57.539.8%8.5×52 -9.5%
10 Homi Bhabha National InstituteIndia 56.924.5%23.4×15 +636.2%

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 Engineering Thermal-Hydraulics research growing?

Output in 2018–2022 was 20% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Nuclear Engineering Thermal-Hydraulics.

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.