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Topic · Civil and Structural Engineering

Hydraulic flow and structures

Hydraulic flow and structures is a research topic within Civil and Structural Engineering. Science Explorer counts 18k research works in it since 1950. 11.7% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the study of scale effects, turbulence, two-phase flow, and control strategies in hydraulic engineering, particularly related to spillways, irrigation canals, aeration performance, and tidal bores. It also includes research on free-surface flows and the application of computational methods in hydraulic modeling.

  • Hydraulic Engineering
  • Scale Effects
  • Turbulence
  • Spillways
  • Irrigation Canals
  • Two-Phase Flow
  • Model Predictive Control
  • Aeration Performance
  • Tidal Bores
  • Free-Surface Flows
Research works
18k
fractional, since 1950
In the world top 10%
2.1k
per year above
Top-10% rate
11.7%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+34%
the tick is no change

Which countries lead Hydraulic flow and structures research?

By volume, China and India publish the most (791 and 270 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 791 works
  2. 2 India 270 works
  3. 3 Iran 231 works
  4. 4 United States 209 works
  5. 5 Iraq 96 works
  6. 6 Türkiye 95 works
  7. 7 Indonesia 85 works
  8. 8 Italy 63 works
  9. 9 Canada 60 works
  10. 10 France 60 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: 40.3%India: 13.8%Iran: 11.8%United States: 10.7%6 others listed: 23.4%40%largest
China791 · 40.3%India270 · 13.8%Iran231 · 11.8%United States209 · 10.7%6 others listed459 · 23.4%

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

Which institutions lead Hydraulic flow and structures research?

By volume in 2022–2025, Hohai University publishes the most Hydraulic flow and structures research, followed by Wuhan University and Sichuan University.

By volume, 2022–2025

  1. 1 Hohai UniversityChina 56 works
  2. 2 Wuhan UniversityChina 27 works
  3. 3 Sichuan UniversityChina 25 works
  4. 4 Xi'an University of TechnologyChina 24 works
  5. 5 Jiangsu UniversityChina 22 works
  6. 6 Yangzhou UniversityChina 21 works
  7. 7 Tsinghua UniversityChina 20 works
  8. 8 China Institute of Water Resources and Hydropower ResearchChina 19 works
  9. 9 University of TehranIran 18 works
  10. 10 Nanjing Hydraulic Research InstituteChina 18 works

Where is Hydraulic flow and structures research done?

The largest centres of Hydraulic flow and structures research in 2022–2025 are Beijing (China), Nanjing (China), Tehran (Iran) and Wuhan (China). Among places with at least 20 works in it, it is an unusually large share of all research in Ahvāz.

Largest cities, 2022–2025

  1. 1 Beijing China 128 works
  2. 2 Nanjing China 105 works
  3. 3 Tehran Iran 67 works
  4. 4 Wuhan China 55 works
  5. 5 Chengdu China 47 works
  6. 6 Hangzhou China 43 works
  7. 7 Xi'an China 38 works
  8. 8 Zhengzhou China 31 works
  9. 9 Moscow Russia 24 works
  10. 10 Yangzhou China 24 works

Where it is the local speciality

  1. AhvāzIR · 21.9 works31×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Hydraulic flow and structures than the world average.

See Hydraulic flow and structures on the map

Where is the best place to study Hydraulic flow and structures?

Among universities, judged by research, Hohai University, Jadavpur University and University of Tabriz 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 22.53%fractional works in this node (log) →share in the world top 10% →Hohai University: 56, 20.1%Jadavpur University: 8, 42.9%University of Tabriz: 12, 14.0%Urmia University: 8, 22.8%Indian Institute of Technology Guwahati: 12, 19.5%Persian Gulf University: 8, 14.4%Tarbiat Modares University: 11, 29.7%Indian Institute of Technology Kharagpur: 15, 25.0%Jiangsu University: 22, 18.0%Yangzhou University: 21, 18.9%Jadavpur UniversityUrmia UniversityHohai UniversityUniversity of Tabriz
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 Hohai UniversityChina 63.520.1%36.0×56 -34.6%
2 Jadavpur UniversityIndia 61.142.9%11.1×8 +11.3%
3 University of TabrizIran 60.714.0%18.0×12 +254.5%
4 Urmia UniversityIran 60.122.8%18.9×8 +209.1%
5 Indian Institute of Technology GuwahatiIndia 59.219.5%12.2×12 +215.6%
6 Persian Gulf UniversityIran 58.214.4%70.1×8 +740.0%
7 Tarbiat Modares UniversityIran 57.129.7%13.8×11 +4.5%
8 Indian Institute of Technology KharagpurIndia 53.525.0%10.5×15 -11.0%
9 Jiangsu UniversityChina 52.018.0%10.2×22 -39.4%
10 Yangzhou UniversityChina 50.918.9%13.3×21 -69.5%

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 Hydraulic flow and structures research growing?

Output in 2018–2022 was 34% higher than in 2013–2017, peaking in 2021. The fastest-growing topics are Hydraulic flow and structures.

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.