Refrigeration and Air Conditioning Technologies
Refrigeration and Air Conditioning Technologies is a research topic within Mechanical Engineering. Science Explorer counts 31k research works in it since 1950. 17.9% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on refrigeration systems and technologies, with an emphasis on refrigerants, ejectors, CO2 heat pumps, vapor compression systems, low-GWP alternatives, thermodynamic analysis, energy efficiency, environmental impact, and heat pump technology. The papers cover a wide range of topics including experimental validation, numerical investigations, performance predictions, and environmental considerations in the field of refrigeration and heat pump systems.
- Refrigerants
- Ejectors
- CO2 Heat Pumps
- Vapor Compression Systems
- Low-GWP Alternatives
- Thermodynamic Analysis
- Energy Efficiency
- Environmental Impact
- Heat Pump Technology
- CFD Modeling
- Research works
- 31k fractional, since 1950
- In the world top 10%
- 5.5k per year above
- Top-10% rate
- 17.9% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +26% the tick is no change
Which countries lead Refrigeration and Air Conditioning Technologies research?
By volume, China and India publish the most (2.3k and 510 works in 2022–2025).
By volume, 2022–2025
- 1 China 2.3k works
- 2 India 510 works
- 3 United States 461 works
- 4 Germany 221 works
- 5 Türkiye 207 works
- 6 Italy 200 works
- 7 South Korea 194 works
- 8 United Kingdom 186 works
- 9 Iran 147 works
- 10 Russia 143 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.
Shares of the rows listed above, not of the whole node.
Which institutions lead Refrigeration and Air Conditioning Technologies research?
By volume in 2022–2025, Xi'an Jiaotong University publishes the most Refrigeration and Air Conditioning Technologies research, followed by Tsinghua University and Shanghai Jiao Tong University.
By volume, 2022–2025
- 1 Xi'an Jiaotong UniversityChina 167 works
- 2 Tsinghua UniversityChina 60 works
- 3 Shanghai Jiao Tong UniversityChina 54 works
- 4 Beijing Institute of TechnologyChina 44 works
- 5 Beihang UniversityChina 43 works
- 6 Chinese Academy of SciencesChina 41 works
- 7 University of Chinese Academy of SciencesChina 41 works
- 8 Tianjin UniversityChina 39 works
- 9 Zhejiang UniversityChina 39 works
- 10 Beijing University of TechnologyChina 38 works
Who are the leading researchers in Refrigeration and Air Conditioning Technologies?
The most-cited researchers publishing on Refrigeration and Air Conditioning Technologies include İbrahim Dinçer, R.Z. Wang and Marc A. Rosen.
- 1 İbrahim Dinçer Canada 5.9k citations
- 2 R.Z. Wang China 3.3k citations
- 3 Marc A. Rosen Canada 2.9k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Refrigeration and Air Conditioning Technologies research done?
The largest centres of Refrigeration and Air Conditioning Technologies research in 2022–2025 are Beijing (China), Xi'an (China), Shanghai (China) and Tianjin (China). Among places with at least 20 works in it, it is an unusually large share of all research in Castellon and Oak Ridge.
Largest cities, 2022–2025
Where it is the local speciality
- CastellonES · 24.8 works20×
- Oak RidgeUS · 25.1 works12×
Location quotient: how much more of its research is in Refrigeration and Air Conditioning Technologies than the world average.
Where is the best place to study Refrigeration and Air Conditioning Technologies?
Among universities, judged by research, Xi'an Jiaotong University, Qingdao University of Science and Technology and Universitat Jaume I 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.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Xi'an Jiaotong UniversityChina | 69.6 | 24.1% | 16.5× | 166 | +63.1% |
| 2 | Qingdao University of Science and TechnologyChina | 69.0 | 31.2% | 10.1× | 23 | +266.1% |
| 3 | Universitat Jaume ISpain | 64.5 | 27.1% | 25.7× | 25 | +138.6% |
| 4 | Yeungnam UniversitySouth Korea | 58.0 | 35.0% | 8.8× | 12 | +24.1% |
| 5 | Beihang UniversityChina | 52.4 | 34.6% | 6.1× | 43 | -12.7% |
| 6 | Hong Kong Polytechnic UniversityHong Kong | 51.3 | 33.6% | 3.3× | 18 | +92.4% |
| 7 | City, University of LondonUnited Kingdom | 50.7 | 24.4% | 13.6× | 8 | +16.3% |
| 8 | Tsinghua UniversityChina | 50.2 | 25.1% | 4.8× | 60 | +66.7% |
| 9 | Norwegian University of Science and TechnologyNorway | 49.6 | 21.4% | 6.2× | 21 | +101.1% |
| 10 | University of TehranIran | 49.2 | 28.6% | 4.1× | 15 | +178.1% |
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 Refrigeration and Air Conditioning Technologies research growing?
Output in 2018–2022 was 26% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Refrigeration and Air Conditioning Technologies.
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.