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Company · Houston · United States

KBR (United States)

In research, KBR (United States) stands highest in Physical Sciences (#4,596 of 10,670 worldwide) and Engineering (#3,699 of 5,901 worldwide), 2022-now. Relative to its size it is most specialised in Aerospace Engineering (Aerospace Engineering is 10.7× its share of world research).

kbr.comROR OpenAlex
World rank, 2022-now
#10,308
of 22,385 · #5,637 all time
Rank in United States
#1,421
of 3,332
Research works
609
▲ 126% vs 2018-21
Citations
6.9k
11.4 per fractional work
Top-10% rate
10.0%
all institutions 10.0%
vs its own fields
1.00×
1.00× is exactly expected
Open access
20%
world 40%
International
14%
world 18%
KBR (United States)

What is KBR (United States) known for in research?

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #4,596 of 10,670 8.8%109 #3306
EngineeringField #3,699 of 5,901 7.8%62 #4011

Each strip is that field's whole ranked pool, with the notch where KBR (United States) 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does KBR (United States) work in?

In 2022-now, 70% of research at KBR (United States) is in Physical Sciences, 16% in Health Sciences. Its largest fields are Engineering (40%), Medicine (14%), Physics and Astronomy (10%). It does 1.8× the world's share of Physical Sciences.

Physical Sciences: 120 fractional works · 69.9% of its workEngineering: 69 fractional works · 40.4% of its workAerospace Engineering: 21 fractional works · 12.5% of its workElectrical and Electronic Engineering: 16 fractional works · 9.1% of its workOcean Engineering: 9 fractional works · 5.3% of its workBiomedical Engineering: 6 fractional works · 3.2% of its workComputational Mechanics: 5 fractional works · 3.2% of its workMechanical Engineering: 3 fractional works · 1.5% of its workMechanics of Materials: 2 fractional works · 1.4% of its workAutomotive Engineering: 2 fractional works · 1.3% of its workControl and Systems Engineering: 2 fractional works · 0.9% of its workCivil and Structural Engineering: 1 fractional works · 0.6% of its workMedia Technology: 1 fractional works · 0.4% of its workBuilding and Construction: 1 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 1 fractional works · 0.4% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.3% of its workPhysics and Astronomy: 17 fractional works · 9.7% of its workAtomic and Molecular Physics, and Optics: 6 fractional works · 3.6% of its workAstronomy and Astrophysics: 6 fractional works · 3.6% of its workCondensed Matter Physics: 2 fractional works · 1.0% of its workRadiation: 1 fractional works · 0.7% of its workStatistical and Nonlinear Physics: 1 fractional works · 0.4% of its workNuclear and High Energy Physics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 12 fractional works · 7.0% of its workArtificial Intelligence: 7 fractional works · 4.0% of its workComputer Vision and Pattern Recognition: 2 fractional works · 0.9% of its workInformation Systems: 1 fractional works · 0.6% of its workComputer Networks and Communications: 1 fractional works · 0.5% of its workComputational Theory and Mathematics: 1 fractional works · 0.4% of its workHardware and Architecture: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workMaterials Science: 8 fractional works · 4.9% of its workMaterials Chemistry: 5 fractional works · 3.1% of its workElectronic, Optical and Magnetic Materials: 1 fractional works · 0.9% of its workSurfaces, Coatings and Films: 1 fractional works · 0.5% of its workPolymers and Plastics: 1 fractional works · 0.5% of its workEnvironmental Science: 5 fractional works · 3.2% of its workGlobal and Planetary Change: 2 fractional works · 0.9% of its workEnvironmental Engineering: 2 fractional works · 0.9% of its workEcology: 1 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEarth and Planetary Sciences: 3 fractional works · 1.7% of its workAtmospheric Science: 2 fractional works · 1.2% of its workGeophysics: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workMathematics: 2 fractional works · 1.0% of its workApplied Mathematics: 1 fractional works · 0.6% of its workStatistics and Probability: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workChemistry: 1 fractional works · 0.8% of its workInorganic Chemistry: 1 fractional works · 0.3% of its workSpectroscopy: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnergy: 1 fractional works · 0.8% of its workEnergy Engineering and Power Technology: 1 fractional works · 0.4% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 0.4% of its workChemical Engineering: 1 fractional works · 0.5% of its workBioengineering: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workHealth Sciences: 27 fractional works · 15.8% of its workMedicine: 24 fractional works · 14.2% of its workPhysiology: 12 fractional works · 7.1% of its workPulmonary and Respiratory Medicine: 4 fractional works · 2.2% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 0.8% of its workSurgery: 1 fractional works · 0.7% of its workNeurology: 1 fractional works · 0.5% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 0.4% of its workEpidemiology: 1 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.3% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 1.1% of its workHealth Professions: 3 fractional works · 1.6% of its workRadiological and Ultrasound Technology: 1 fractional works · 0.7% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 1 fractional works · 0.4% of its workOccupational Therapy: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workSocial Sciences: 15 fractional works · 8.6% of its workPsychology: 5 fractional works · 2.9% of its workSocial Psychology: 2 fractional works · 1.4% of its workClinical Psychology: 1 fractional works · 0.7% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workSocial Sciences: 4 fractional works · 2.4% of its workUrban Studies: 1 fractional works · 0.6% of its workSociology and Political Science: 1 fractional works · 0.4% of its workCultural Studies: 1 fractional works · 0.4% of its workDemography: 0 fractional works · 0.3% of its workPolitical Science and International Relations: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workDecision Sciences: 2 fractional works · 1.3% of its workStatistics, Probability and Uncertainty: 2 fractional works · 1.1% of its workManagement Science and Operations Research: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 2 fractional works · 0.9% of its workManagement Information Systems: 1 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.3% of its workArts and Humanities: 1 fractional works · 0.7% of its workPhilosophy: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.4% of its workEconomics and Econometrics: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workLife Sciences: 10 fractional works · 5.7% of its workBiochemistry, Genetics and Molecular Biology: 4 fractional works · 2.5% of its workGenetics: 2 fractional works · 1.3% of its workMolecular Biology: 1 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.6% of its workNeuroscience: 4 fractional works · 2.4% of its workCognitive Neuroscience: 2 fractional works · 1.2% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.5% of its workNeurology: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 1 fractional works · 0.7% of its workPlant Science: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workALL ITS WORKKBR (UnitedStates)172fractional works, 2022-now
Life Sciences6%Physical Sciences70%Health Sciences16%Social Sciences9%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 22 fields, with their numbers
    1. Engineering6940.4%
    2. Physics and Astronomy179.7%
    3. Computer Science127.0%
    4. Materials Science84.9%
    5. Environmental Science53.2%
    6. Earth and Planetary Sciences31.7%
    7. Mathematics21.0%
    8. Chemistry10.8%
    9. Energy10.8%
    10. Chemical Engineering10.5%
    1. Medicine2414.2%
    2. Health Professions31.6%
    1. Psychology52.9%
    2. Social Sciences42.4%
    3. Decision Sciences21.3%
    4. Business, Management and Accounting20.9%
    5. Arts and Humanities10.7%
    6. Economics, Econometrics and Finance10.4%
    1. Biochemistry, Genetics and Molecular Biology42.5%
    2. Neuroscience42.4%
    3. Agricultural and Biological Sciences10.7%
    4. Immunology and Microbiology00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does KBR (United States) specialise in?

Where its research is concentrated relative to its size: Aerospace Engineering takes 10.7× the share of its output that it takes of world research.

  1. Aerospace EngineeringSubfield · 21.4 works11×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.14× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.47× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.14× its world share, 0 worksImmunology and Micro…Neuroscience: 1.48× its world share, 4 worksNeuroscienceChemical Engineering: 1.39× its world share, 1 worksChemical EngineeringChemistry: 0.51× its world share, 1 worksChemistryComputer Science: 0.90× its world share, 12 worksComputer ScienceEarth and Planetary Sciences: 1.11× its world share, 3 worksEarth and Planetary …Energy: 0.82× its world share, 1 worksEnergyEngineering: 2.69× its world share, 69 worksEngineeringEnvironmental Science: 0.64× its world share, 5 worksEnvironmental ScienceMaterials Science: 1.42× its world share, 8 worksMaterials ScienceMathematics: 0.87× its world share, 2 worksMathematicsPhysics and Astronomy: 4.34× its world share, 17 worksPhysics and AstronomyHealth Professions: 0.60× its world share, 3 worksHealth ProfessionsMedicine: 0.74× its world share, 24 worksMedicineArts and Humanities: 0.24× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.28× its world share, 2 worksBusiness, Management…Decision Sciences: 1.35× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.19× its world share, 1 worksEconomics, Econometr…Psychology: 0.94× its world share, 5 worksPsychologySocial Sciences: 0.19× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 4.3×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Physics and Astronomy4.34×17 works
  2. Engineering2.69×69 works
  3. Neuroscience1.48×4 works
  4. Materials Science1.42×8 works
  5. Chemical Engineering1.39×1 works
  6. Decision Sciences1.35×2 works
  7. Earth and Planetary Sciences1.11×3 works
  8. Psychology0.94×5 works
  9. Computer Science0.90×12 works
  10. Mathematics0.87×2 works
  11. Energy0.82×1 works
  12. Medicine0.74×24 works
  13. Environmental Science0.64×5 works
  14. Health Professions0.60×3 works
  15. Chemistry0.51×1 works
  16. Biochemistry, Genetics and Molecular Biology0.47×4 works
  17. Business, Management and Accounting0.28×2 works
  18. Arts and Humanities0.24×1 works
  19. Economics, Econometrics and Finance0.19×1 works
  20. Social Sciences0.19×4 works
  21. Agricultural and Biological Sciences0.14×1 works
  22. Immunology and Microbiology0.14×0 works

Who are the top researchers at KBR (United States)?

Ranked on the quality score, Christopher E. Stevens, James Tweedie and David S. Baker lead among researchers whose main affiliation is KBR (United States).

  1. 1 Christopher E. Stevens United States · #896,865 worldwide 855 citations · 54 works
  2. 2 James Tweedie United States · #1,805,567 worldwide 154 citations · 35 works
  3. 3 David S. Baker United States · #2,514,409 worldwide 439 citations · 23 works
  4. 4 Charles J. Mozina United States · #2,973,073 worldwide 1.3k citations · 115 works
  5. 5 L.J. Powell United States · #3,034,639 worldwide 336 citations · 22 works
  6. 6 Timothy R. Macaulay United States · #3,079,051 worldwide 367 citations · 32 works
  7. 7 Charles R. Wood United States · #3,082,371 worldwide 44 citations · 29 works
  8. 8 Daniel J. Love United States · #3,824,264 worldwide 267 citations · 32 works
  9. 9 Jay B. Weidler United States · #3,992,439 worldwide 55 citations · 17 works
  10. 9 Ryan W. Robinson United States · #3,992,439 worldwide 27 citations · 17 works
All ranked researchers at KBR (United States)

What are the most cited papers from KBR (United States)?

The most cited paper from KBR (United States) is "The Water-Gas Shift Reaction" (David S. Newsome, 1980), with 1,018 citations. Next come "Behavior of Concrete Under Compressive Loadings" (741) and "Dynamic behaviour of building‐foundation systems" (599).

Most cited papers
#PaperReleasedCitations
1 The Water-Gas Shift Reaction David S. Newsome · Catalysis Reviews 1980 1,018
2 Behavior of Concrete Under Compressive Loadings I. Demir Karsan, James O. Jirsa · Journal of the Structural Division Dec 1969 741
3 Dynamic behaviour of building‐foundation systems Anestis S. Veletsos, Jethro W. Meek · Earthquake Engineering & Structural Dynamics 1974 599
4 Red risks for a journey to the red planet: The highest priority human health risks for a mission to Mars Zarana S. Patel, Tyson J. Brunstetter, William J. Tarver et al. · npj Microgravity Open access 5 Nov 2020 375
5 Lateral and Rocking Vibration of Footings Anestis S. Veletsos, Yau T. Wei · Journal of the Soil Mechanics and Foundations Division Sep 1971 369
All 60 most cited papers, with filters and sorting

Which keywords describe research at KBR (United States)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Risk Assessment, Muscle Atrophy, Immune System, Microgravity, Spaceflight, Biomechanics, Simulation and Mobility.

▲ 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-now 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. Risk Assessment12▲ 10×7 topics
  2. Muscle Atrophy11▲ 227×2 topics
  3. Immune System11▲ 28×2 topics
  4. Microgravity11▲ 353×1 topic
  5. Spaceflight11▲ 353×1 topic
  6. Biomechanics8▲ 16×7 topics
  7. Simulation8▲ 19×4 topics
  8. Extravehicular Activity8▲ 538×1 topic
  9. Mobility8▲ 232×2 topics
  10. Space Suit8▲ 538×1 topic
  11. Biosensors6▲ 6.5×6 topics
  12. Remote Sensing5▲ 2.3×17 topics
  13. Integrated Circuits4▲ 16×2 topics
  14. Collision Avoidance4▲ 12×4 topics
  15. Optical Modulators4▲ 14×2 topics
  16. Semiconductor3▲ 6.1×6 topics
  17. Human Factors3▲ 24×2 topics
  18. Optimization3▲ 4.2×5 topics
  19. Silicon Photonics3▲ 18×2 topics
  20. Microcavities3▲ 17×2 topics
  21. Raman Lasers3▲ 17×2 topics
  22. Data Assimilation3▲ 11×4 topics
  23. Nanophotonic Waveguides3▲ 20×1 topic
  24. Semiconductors3▲ 6.0×4 topics
  25. Whispering Gallery Mode3▲ 20×1 topic
  26. Ensemble Kalman Filter3▲ 15×2 topics
  27. Uncertainty Quantification3▲ 20×1 topic
  28. Well Placement3▲ 35×1 topic
  29. Nanowires3▲ 11×3 topics
  30. Turbulent Flow2▲ 12×4 topics
  31. Autonomous Vehicles2▲ 6.8×3 topics
  32. Entanglement2▲ 8.3×4 topics
  33. High Altitude2▲ 89×1 topic
  34. Hypoxia2▲ 89×1 topic
  35. Light-Emitting Diodes2▲ 8.3×3 topics
  36. Path Planning2▲ 10×2 topics
  37. On-Orbit Performance2▲ 117×1 topic
  38. Optoelectronic Devices2▲ 13×2 topics
  39. Photonic Crystals2▲ 9.9×3 topics
  40. Radiometric Calibration2▲ 117×1 topic

Which research topics does KBR (United States) publish most on?

By volume in 2022-now: Spaceflight effects on biology, Space Exploration and Technology, Photonic and Optical Devices and Reservoir Engineering and Simulation Methods.

Spaceflight effects on b…11Spaceflight effects on biology: 11 fractional worksSpace Exploration and Te…8Space Exploration and Technology: 8 fractional worksPhotonic and Optical Devices: 3 fractional worksReservoir Engineering and Simulation Methods: 3 fractional worksHigh Altitude and Hypoxia: 2 fractional worksCalibration and Measurement Techniques: 2 fractional worksSemiconductor Lasers and Optical Devices: 2 fractional worksRadiation Therapy and Dosimetry: 2 fractional worksPlanetary Science and Exploration: 2 fractional worksMaritime Navigation and Safety: 2 fractional works
PhysiologyAerospace EngineeringElectrical and Electronic EngineeringOcean Engineering3 others

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

  1. 1 Spaceflight effects on biology Physiology 11 works
  2. 2 Space Exploration and Technology Aerospace Engineering 8 works
  3. 3 Photonic and Optical Devices Electrical and Electronic Engineering 3 works
  4. 4 Reservoir Engineering and Simulation Methods Ocean Engineering 3 works
  5. 5 High Altitude and Hypoxia Genetics 2 works
  6. 6 Calibration and Measurement Techniques Aerospace Engineering 2 works
  7. 7 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 2 works
  8. 8 Radiation Therapy and Dosimetry Pulmonary and Respiratory Medicine 2 works
  9. 9 Planetary Science and Exploration Astronomy and Astrophysics 2 works
  10. 10 Maritime Navigation and Safety Ocean Engineering 2 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 available19.5%not open80.5%

World: 40% of research is openly available.

with international co-authors14.2%domestic only85.8%

World: 18% is written across borders.

How has KBR (United States)'s research output changed?

Output in 2022-2025 was 126% higher than in 2018-2021.

still counting1990200020102020
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 KBR (United States) as a percentage of every work published that year, 0.00076% in 2024.

still counting0.0010%0.0020%0.0030%KBR (United States)0.00056% in 202519801990200020102020

Fractional works of KBR (United States) over all fractional works that year. How the balance of science has shifted.

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KBR (United States) on Science Explorer

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