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. 10.1% 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
In the world top 10%: 1.8k
Top-10% rate: 10.1%
Growth, 2018-21 → 2022-25: +2%
Largest producer: China

Hydraulic flow and structures

Which countries lead Hydraulic flow and structures research?

By volume, China and India publish the most (977 and 317 works in 2022-now).

By volume, 2022-now

1 China 977 works
2 India 317 works
3 Iran 254 works
4 United States 253 works
5 Türkiye 106 works
6 Iraq 105 works
7 Indonesia 101 works
8 Italy 74 works
9 Canada 69 works
10 United Kingdom 69 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.

China977 · 42.0%India317 · 13.6%Iran254 · 10.9%United States253 · 10.9%6 others listed524 · 22.5%

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

Which institutions lead Hydraulic flow and structures research?

By volume in 2022-now, Hohai University publishes the most Hydraulic flow and structures research, followed by Sichuan University and Islamic Azad University, Tehran.

By volume, 2022-now

1 Hohai UniversityChina 84 works
2 Sichuan UniversityChina 46 works
3 Islamic Azad University, TehranIran 36 works
4 Wuhan UniversityChina 30 works
5 Ministry of Water Resources of the People's Republic of ChinaChina 28 works
6 Xi'an University of TechnologyChina 27 works
7 Jiangsu UniversityChina 25 works
8 Yangzhou UniversityChina 24 works
9 China Institute of Water Resources and Hydropower ResearchChina 23 works
10 Tsinghua UniversityChina 23 works

Who are the leading researchers in Hydraulic flow and structures?

The most-cited researchers publishing on Hydraulic flow and structures include Jun Wang, Xiaogang Wang and Lei Jiang.

1 Jun Wang China 340k citations
2 Xiaogang Wang China 260k citations
3 Lei Jiang China 214k 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 Hydraulic flow and structures?

The most cited paper in Hydraulic flow and structures is "Properties of Porous Media Affecting Fluid Flow" (Royal H. Brooks, A. T. Corey, 1966), with 2,356 citations. Next come "Sediment Transport, Part II: Suspended Load Transport" (1,656) and "Lagrangian-Eulerian finite element formulation for incompressible viscous flows" (1,526).

Most cited papers
#	Paper	Released	Citations
1	Properties of Porous Media Affecting Fluid Flow Royal H. Brooks, A. T. Corey · Journal of the Irrigation and Drainage Division	Jun 1966	2,356
2	Sediment Transport, Part II: Suspended Load Transport Leo C. van Rijn · Journal of Hydraulic Engineering	Nov 1984	1,656
3	Lagrangian-Eulerian finite element formulation for incompressible viscous flows Thomas J.R. Hughes, Wing Kam Liu, Thomas Zimmermann · Computer Methods in Applied Mechanics and Engineering	Dec 1981	1,526
4	Turbulence in Open‐Channel Flows Iehisa NEZU, Hiroji Nakagawa, Gerhard H. Jirka · Journal of Hydraulic Engineering	Oct 1994	1,301
5	Learning strategies in second language acquisition Carl James · System	1991	1,148

All 100 most cited papers, with filters and sorting

Where is Hydraulic flow and structures research done?

The largest centres of Hydraulic flow and structures research in 2022-now 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 and Yangzhou.

Largest cities, 2022-now

1 BeijingChina 154 works
2 NanjingChina 126 works
3 TehranIran 73 works
4 WuhanChina 64 works
5 ChengduChina 58 works
6 HangzhouChina 50 works
7 Xi'anChina 45 works
8 ZhengzhouChina 38 works
9 ShanghaiChina 31 works
10 YangzhouChina 28 works

Where it is the local speciality

AhvāzIR · 22.6 works29×
YangzhouCN · 27.9 works13×

← 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, Tarbiat Modares University and Dalian University of 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.

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.

#	University	Score	Top 10%	Specialisation	Works	Growth
1	Hohai UniversityChina	81.8	22.9%	48.2×	84	+14.8%
2	Tarbiat Modares UniversityIran	67.6	27.8%	14.5×	12	+109.7%
3	Dalian University of TechnologyChina	66.0	32.8%	4.9×	14	+35.9%
4	Xi'an University of TechnologyChina	65.4	22.2%	28.2×	27	+59.1%
5	Jiangsu UniversityChina	64.7	20.1%	10.7×	25	+85.5%
6	Sichuan UniversityChina	63.2	13.7%	6.9×	46	+20.9%
7	Yangzhou UniversityChina	63.0	20.4%	14.9×	24	+142.6%
8	Ocean University of ChinaChina	61.0	22.5%	6.9×	10	+94.8%
9	Tsinghua UniversityChina	60.7	25.5%	3.4×	23	+8.1%
10	Indian Institute of Technology KharagpurIndia	60.6	16.2%	11.7×	17	+11.1%
11	National Institute of Technology PatnaIndia	59.1	24.3%	21.9×	9	+146.4%
12	Wuhan UniversityChina	57.2	13.5%	7.2×	30	+22.3%
13	Urmia UniversityIran	57.0	19.6%	23.3×	11	+35.1%
14	Xihua UniversityChina	56.9	23.3%	21.3×	10	+296.3%
15	Jadavpur UniversityIndia	53.5	22.1%	11.8×	10	+96.2%
16	Delft University of TechnologyNetherlands	53.0	15.3%	5.6×	11	-14.4%
17	University of MaraghehIran	52.3	14.7%	86.1×	9	+10.3%
18	University of St. Thomas - MinnesotaUnited States	50.6	12.4%	79.6×	8	+28.7%
19	Indian Institute of Technology GuwahatiIndia	49.1	16.7%	12.3×	12	+17.3%
20	The University of QueenslandAustralia	48.3	8.2%	4.8×	13	-6.9%
21	Tianjin UniversityChina	48.0	21.6%	3.7×	13	+5.8%
22	Delhi Technological UniversityIndia	47.9	12.4%	17.7×	14	+381.4%
23	University of TehranIran	47.0	11.9%	11.5×	20	-36.8%
24	China Agricultural UniversityChina	46.3	15.3%	7.5×	12	-5.7%
25	Colorado State UniversityUnited States	46.2	4.6%	10.3×	11	+105.2%
26	University of PalermoItaly	44.5	7.4%	12.4×	12	-26.5%
27	University of TabrizIran	44.1	11.4%	19.8×	14	-55.7%
28	Northwest A&F UniversityChina	42.6	18.1%	7.5×	9	+13.3%
29	University of OttawaCanada	41.8	12.0%	4.1×	8	-13.4%
30	Persian Gulf UniversityIran	41.2	7.3%	73.4×	9	+14.6%
31	Islamic Azad University, TehranIran	41.0	6.7%	7.2×	36	-35.4%
32	Isfahan University of TechnologyIran	40.6	8.1%	21.5×	11	-1.9%
33	Indian Institute of Technology RoorkeeIndia	39.7	6.5%	13.7×	18	-13.1%
34	Chongqing Jiaotong UniversityChina	38.0	9.2%	22.7×	12	+45.0%
35	Zhengzhou UniversityChina	36.6	11.0%	2.9×	10	+114.3%
36	Universitat Politècnica de CatalunyaSpain	35.8	4.7%	8.7×	9	-29.0%
37	North China University of Water Resources and Electric PowerChina	35.3	5.1%	30.3×	13	+182.9%
38	Shahid Chamran University of AhvazIran	34.6	7.7%	58.7×	16	-19.8%
39	University of BabylonIraq	32.3	3.5%	14.6×	11	+255.9%
40	Tashkent Institute of Irrigation and Agricultural Mechanization EngineersUzbekistan	31.3	1.6%	58.2×	13	-8.5%

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 Hydraulic flow and structures, country by country

Is Hydraulic flow and structures research growing?

Output in 2022-2025 was 2% higher than in 2018-2021, peaking in 2021. The fastest-growing topics are Hydraulic flow and structures.

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 Hydraulic flow and structures as a percentage of every work published that year, 0.013% in 2024.

Fractional works of Hydraulic flow and structures 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.

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.

Discussion

Ask a question or share a note about Hydraulic flow and structures. Posts are plain text and can be reported.

Which countries lead Hydraulic flow and structures research?

By volume, 2022-now

How concentrated that is

Which institutions lead Hydraulic flow and structures research?

By volume, 2022-now

Who are the leading researchers in Hydraulic flow and structures?

What are the most cited papers in Hydraulic flow and structures?

Where is Hydraulic flow and structures research done?

Largest cities, 2022-now

Where it is the local speciality

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

Is Hydraulic flow and structures research growing?

Its share of all research

How much of it reaches the world top 10%

Which topics inside it are moving

Related research

Discussion