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University · Beirut · Lebanon

International University of Beirut

In research, International University of Beirut stands highest in Physical Sciences (#9,805 of 12,888 worldwide), 2022–2025.

b-iu.edu.lbROR OpenAlex
World rank, 2022–2025
#19,086
of 28,054 · #28,129 all time
Rank in Lebanon
#18
of 25
Research works
194
▲ 575% vs 2013–17
Citations
2.7k
13.9 per fractional work
Top-10% rate
17.2%
record average 16.5%
Open access
48%
world 28%

What is International University of Beirut known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #9,805 of 12,888 17.0%68 #15906

Each strip is that field’s whole ranked pool, with the notch where International University of Beirut sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.36× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.33× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.21× its world share, 0 worksImmunology and Micro…Neuroscience: 1.11× its world share, 1 worksNeuroscienceChemical Engineering: 0.70× its world share, 0 worksChemical EngineeringChemistry: 0.44× its world share, 1 worksChemistryComputer Science: 1.38× its world share, 9 worksComputer ScienceEarth and Planetary Sciences: 0.44× its world share, 1 worksEarth and Planetary …Energy: 10.51× its world share, 8 worksEnergyEngineering: 2.74× its world share, 33 worksEngineeringEnvironmental Science: 1.21× its world share, 5 worksEnvironmental ScienceMaterials Science: 1.40× its world share, 4 worksMaterials ScienceMathematics: 6.84× its world share, 6 worksMathematicsPhysics and Astronomy: 1.11× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.16× its world share, 0 worksHealth ProfessionsMedicine: 0.26× its world share, 4 worksMedicineNursing: 0.12× its world share, 0 worksNursingBusiness, Management and Accounting: 0.26× its world share, 1 worksBusiness, Management…Decision Sciences: 0.25× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.08× its world share, 0 worksEconomics, Econometr…Psychology: 0.02× its world share, 0 worksPsychologySocial Sciences: 0.25× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 10.5×. Every wedge is a field page.

Which keywords describe research at International University of Beirut?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Heat Transfer, Renewable Energy, Phase Change Materials, Energy Efficiency, Solar Energy, Numerical Simulation, Thermal Management and Photovoltaic/Thermal Hybrid Technology.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Heat Transfer6▲ 16×10 topics
  2. Renewable Energy6▲ 5.7×16 topics
  3. Energy Efficiency4▲ 6.0×7 topics
  4. Phase Change Materials4▲ 56×3 topics
  5. Solar Energy4▲ 14×5 topics
  6. Sustainability4▲ 1.82×12 topics
  7. Numerical Simulation3▲ 13×6 topics
  8. Thermal Management3▲ 12×5 topics
  9. Experimental Investigation3▲ 34×3 topics
  10. Photovoltaic/Thermal Hybrid Technology3▲ 68×1 topic
  11. Solar Thermal Collectors3▲ 68×1 topic
  12. Artificial Neural Networks3▲ 7.5×4 topics
  13. Controllability3▲ 75×2 topics
  14. Energy Storage3▲ 4.9×6 topics
  15. Model Predictive Control2▲ 12×3 topics
  16. Building Energy Consumption2▲ 35×1 topic
  17. Thermal Comfort2▲ 21×1 topic
  18. Lithium-ion Batteries2▲ 6.2×3 topics
  19. Nonlinear Systems2▲ 12×4 topics
  20. Boundary Value Problems2▲ 50×2 topics
  21. Fluid Flow2▲ 39×2 topics
  22. Fractional Differential Equations2▲ 107×1 topic
  23. Heat Exchangers2▲ 31×2 topics
  24. Pressure Drop2▲ 32×3 topics
  25. Semilinear Differential Equations2▲ 107×1 topic
  26. Thermal Conductivity2▲ 15×4 topics
  27. Electric Vehicles2▲ 7.6×4 topics
  28. Materials2▲ 9.4×4 topics
  29. Convective Heat Transfer2▲ 32×2 topics
  30. Experimental Study2▲ 36×1 topic
  31. Microchannel2▲ 41×1 topic
  32. Nonlinear Equations2▲ 16×2 topics
  33. Anomalous Diffusion2▲ 35×1 topic
  34. Battery Technology2▲ 6.8×3 topics
  35. Fractional Calculus2▲ 34×1 topic
  36. Waste Heat Recovery2▲ 35×2 topics
  37. Wavelet Transform2▲ 8.5×3 topics
  38. Applications2▲ 7.0×3 topics
  39. Grid-Connected Inverters2▲ 26×2 topics
  40. Parameter Estimation2▲ 15×2 topics

Which research topics does International University of Beirut publish most on?

By volume in 2022–2025: Solar Thermal and Photovoltaic Systems, Building Energy and Comfort Optimization, Nonlinear Differential Equations Analysis and Heat Transfer and Optimization.

Solar Thermal and Photov…3Solar Thermal and Photovoltaic Systems: 3 fractional worksBuilding Energy and Comf…2Building Energy and Comfort Optimization: 2 fractional worksNonlinear Differential E…2Nonlinear Differential Equations Analysis: 2 fractional worksHeat Transfer and Optimi…2Heat Transfer and Optimization: 2 fractional worksFractional Differential Equations Solutions: 2 fractional worksPhotovoltaic System Optimization Techniques: 1 fractional worksHeat Transfer Mechanisms1Heat Transfer Mechanisms: 1 fractional worksPhase Change Materials R…1Phase Change Materials Research: 1 fractional worksAdvanced Battery Technol…1Advanced Battery Technologies Research: 1 fractional worksAdsorption and Cooling S…1Adsorption and Cooling Systems: 1 fractional works
Renewable Energy, Sustainability and the EnvironmentBuilding and ConstructionApplied MathematicsMechanical Engineering2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Solar Thermal and Photovoltaic Systems Renewable Energy, Sustainability and the Environment 3 works
  2. 2 Building Energy and Comfort Optimization Building and Construction 2 works
  3. 3 Nonlinear Differential Equations Analysis Applied Mathematics 2 works
  4. 4 Heat Transfer and Optimization Mechanical Engineering 2 works
  5. 5 Fractional Differential Equations Solutions Modeling and Simulation 2 works
  6. 6 Photovoltaic System Optimization Techniques Renewable Energy, Sustainability and the Environment 1 works
  7. 7 Heat Transfer Mechanisms Mechanical Engineering 1 works
  8. 8 Phase Change Materials Research Mechanical Engineering 1 works
  9. 9 Advanced Battery Technologies Research Automotive Engineering 1 works
  10. 10 Adsorption and Cooling Systems Mechanical Engineering 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available48.2%not open51.8%

World: 28% of research is openly available.

with international co-authors54.6%domestic only45.4%

World: 19% is written across borders.

How has International University of Beirut's research output changed?

Output in 2018–2022 was 575% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Beirut

All research institutions in Beirut

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.