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Topic · Aerospace Engineering

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. 10.1% 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%
1.7k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+34%
the tick is no change
Largest producer
China
48% of the 10 largest, 2022-now
Nuclear Engineering Thermal-Hydraulics

Which countries lead Nuclear Engineering Thermal-Hydraulics research?

By volume, China and the United States publish the most (1.5k and 561 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.5k works
  2. 2 United States 561 works
  3. 3 South Korea 185 works
  4. 4 India 181 works
  5. 5 Russia 147 works
  6. 6 Japan 142 works
  7. 7 France 127 works
  8. 8 Germany 116 works
  9. 9 Italy 85 works
  10. 10 United Kingdom 77 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: 48.1%United States: 18.0%South Korea: 5.9%India: 5.8%6 others listed: 22.2%48%largest
China1,501 · 48.1%United States561 · 18.0%South Korea185 · 5.9%India181 · 5.8%6 others listed693 · 22.2%

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

Which institutions lead Nuclear Engineering Thermal-Hydraulics research?

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

By volume, 2022-now

  1. 1 Xi'an Jiaotong UniversityChina 149 works
  2. 2 China General Nuclear Power Corporation (China)China 113 works
  3. 3 Harbin Engineering UniversityChina 96 works
  4. 4 Chinese Academy of SciencesChina 78 works
  5. 5 Shanghai Jiao Tong UniversityChina 77 works
  6. 6 Tsinghua UniversityChina 62 works
  7. 7 Idaho National LaboratoryUnited States 44 works
  8. 8 Korea Atomic Energy Research InstituteSouth Korea 41 works
  9. 9 Commissariat à l'Énergie Atomique et aux Énergies AlternativesFrance 39 works
  10. 10 Japan Atomic Energy AgencyJapan 37 works

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

The most-cited researchers publishing on Nuclear Engineering Thermal-Hydraulics include Kai You Wang.

  1. 1 Kai You Wang China 224k 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 Nuclear Engineering Thermal-Hydraulics?

The most cited paper in Nuclear Engineering Thermal-Hydraulics is "The Kolmogorov-Smirnov Test for Goodness of Fit" (Frank J. Massey, 1951), with 6,024 citations. Next come "Standards from birth to maturity for height, weight, height velocity, and weight velocity: British children, 1965. II." (2,566) and "A flow pattern map for gas—liquid flow in horizontal pipes" (1,340).

Most cited papers
#PaperReleasedCitations
1 The Kolmogorov-Smirnov Test for Goodness of Fit Frank J. Massey · Journal of the American Statistical Association Mar 1951 6,024
2 Standards from birth to maturity for height, weight, height velocity, and weight velocity: British children, 1965. II. J. M. Tanner, R. H. Whitehouse, Masahiro Takaishi · Archives of Disease in Childhood Open access Dec 1966 2,566
3 A flow pattern map for gas—liquid flow in horizontal pipes Jamanlal M. Mandhane, G.A. Gregory, Khalid Abdul Aziz · International Journal of Multiphase Flow Oct 1974 1,340
4 Physics-Informed Neural Networks for Heat Transfer Problems Shengze Cai, Zhicheng Wang, Sifan Wang et al. · ASME Journal of Heat and Mass Transfer 17 Mar 2021 1,311
5 Physics-informed neural networks for high-speed flows Zhiping Mao, Ameya D. Jagtap, George Em Karniadakis · Computer Methods in Applied Mechanics and Engineering Open access 27 Dec 2019 1,305
All 98 most cited papers, with filters and sorting

Where is Nuclear Engineering Thermal-Hydraulics research done?

The largest centres of Nuclear Engineering Thermal-Hydraulics research in 2022-now are Beijing (China), Xi'an (China), Shanghai (China) and Shenzhen (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-now

  1. 1 BeijingChina 312 works
  2. 2 Xi'anChina 183 works
  3. 3 ShanghaiChina 146 works
  4. 4 ShenzhenChina 125 works
  5. 5 HarbinChina 124 works
  6. 6 MoscowRussia 76 works
  7. 7 DaejeonSouth Korea 73 works
  8. 8 TokyoJapan 56 works
  9. 9 MumbaiIndia 47 works
  10. 10 NanjingChina 46 works

Where it is the local speciality

  1. Tōkai MuraJP · 37.7 works127×
  2. Idaho FallsUS · 45.6 works104×
  3. Oak RidgeUS · 28.9 works24×
← less than its size predicts1×more →

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, Politecnico di Milano and Shanghai Jiao Tong 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%30%mean 18.17%fractional works in this field (log) →share of work in the world top 10% →Politecnico di MilanoShanghai Jiao Tong U…Xi'an Jiaotong Unive…Harbin Engineering U…
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
1Xi'an Jiaotong UniversityChina 72.614.7%26.1×149 +14.9%
2Politecnico di MilanoItaly 65.126.2%5.5×13 +33.8%
3Shanghai Jiao Tong UniversityChina 62.014.8%8.2×77 +75.1%
4Harbin Engineering UniversityChina 59.28.6%57.2×96 +26.6%
5Dalian University of TechnologyChina 58.223.2%6.0×19 +313.4%
6Tsinghua UniversityChina 57.813.6%8.2×62 +63.4%
7Jiangsu UniversityChina 55.420.3%7.5×19 +187.4%
8Imperial College LondonUnited Kingdom 55.127.8%2.8×9 +98.2%
9KTH Royal Institute of TechnologySweden 54.09.5%14.1×17 +24.2%
10Texas A&M UniversityUnited States 53.123.0%7.3×20 +0.4%

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 Nuclear Engineering Thermal-Hydraulics, country by country

Is Nuclear Engineering Thermal-Hydraulics research growing?

Output in 2022-2025 was 34% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Nuclear Engineering Thermal-Hydraulics.

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 Nuclear Engineering Thermal-Hydraulics as a percentage of every work published that year, 0.016% in 2024.

still counting0.020%0.040%Nuclear Engineering Thermal-Hydraulics0.017% in 202519801990200020102020

Fractional works of Nuclear Engineering Thermal-Hydraulics 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%Nuclear Engineering Thermal-Hydraulics9.8% 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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