Subfield · Fluid Flow and Transfer Processes
Top Countries in Fluid Flow and Transfer Processes Research
China ranks first in 2022–2025, out of 17 ranked countries.
Composite score: field-normalised excellence, output and total citations weighted 50 / 30 / 20, each as a percentile so no single heavy-tailed measure dominates. Floor: 100 fractional works in this field.
Ranked by research quality, 2022–2025
| # | Country | Score | Top-10% rate | Works | Citations | All time |
|---|---|---|---|---|---|---|
| 1 | China | 100.0 | 20.8% | 4.2k | 37k | #2 |
| 2 | United States | 75.5 | 10.8% | 1.9k | 11k | #1 |
| 3 | India | 61.2 | 12.1% | 1.8k | 12k | #7 |
| 4 | Germany | 51.1 | 10.9% | 851 | 4.8k | #4 |
| 5 | United Kingdom | 43.2 | 16.7% | 516 | 3.8k | #3 |
| 6 | Saudi Arabia | 36.8 | 24.1% | 281 | 3.5k | #17 |
| 7 | South Korea | 31.3 | 16.8% | 383 | 2.9k | #12 |
| 8 | Italy | 26.6 | 13.5% | 419 | 2.8k | #9 |
| 9 | France | 22.4 | 10.4% | 506 | 2.8k | #5 |
| 10 | Japan | 18.7 | 7.1% | 535 | 2.1k | #6 |
| 11 | Russia | 15.4 | 3.9% | 712 | 2k | #13 |
| 12 | Türkiye | 12.3 | 17.1% | 331 | 2.8k | #18 |
| 13 | Iran | 9.5 | 12.0% | 266 | 1.8k | #16 |
| 14 | Spain | 6.9 | 13.1% | 218 | 1.8k | #14 |
| 15 | Canada | 4.4 | 10.7% | 256 | 1.6k | #8 |
| 16 | Poland | 2.1 | 11.9% | 212 | 1.5k | #20 |
| 17 | Brazil | 0.0 | 6.6% | 210 | 920 | #27 |
countries ranked worldwide in Fluid Flow and Transfer Processes (17). rank on the composite score within the stated pool. The score track runs 0 to 100; the rate track carries no world mark, because the world rate differs by field.
How spread out this pool is
Every row above on one axis — one tick each, right is a higher score. A field where the top few are far clear of everyone and one that runs down evenly look identical as a table.
One bar per band of score, counting the rows on this page.
Ranked by volume, 2022–2025
- 1 China 4.2k works
- 2 United States 1.9k works
- 3 India 1.8k works
- 4 Germany 851 works
- 5 Russia 712 works
- 6 Japan 535 works
- 7 United Kingdom 516 works
- 8 France 506 works
- 9 Italy 419 works
- 10 South Korea 383 works
- 11 Türkiye 331 works
- 12 Saudi Arabia 281 works