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World rank
#5,592,393
of 7,710,434 ranked researchers
Rank in Nigeria
#13,909
of 26,141
Works
59
Citations
55
Citations per work
0.9

What does Nnadikwe Johnson research?

Nnadikwe Johnson's work is mostly in Engineering (39%), Energy (13%).

Physical Sciences52%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering2339.4%
    2. Energy712.7%
  1. Everything else2847.9%
  1. 1Renewable Energy, Sustainability and the Environment13% of their works
  2. 2Mechanical Engineering11% of their works
  3. 3Ocean Engineering10% of their works
  4. 4Control and Systems Engineering6% of their works
  5. 5Biomedical Engineering6% of their works
  6. 6Aerospace Engineering6% of their works

Research topics

Which keywords describe Nnadikwe Johnson's research?

The keywords of their largest research topics: Sustainability, Environmental Impact, Optimization, Renewable Energy, Energy Efficiency, Black Carbon Emissions, Carbon Dioxide Capture and CO2 Capture Technology.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 21 words, with their numbers
  1. Sustainability163 topics
  2. Environmental Impact143 topics
  3. Optimization102 topics
  4. Renewable Energy102 topics
  5. Energy Efficiency92 topics
  6. Black Carbon Emissions61 topic
  7. CO2 Capture Technology61 topic
  8. Carbon Dioxide Capture61 topic
  9. Cryogenic Storage61 topic
  10. EROI61 topic
  11. Fossil Fuels61 topic
  12. Gas Flaring61 topic
  13. Liquefied Natural Gas (LNG)61 topic
  14. Data Assimilation51 topic
  15. Ensemble Kalman Filter51 topic
  16. Process Intensification51 topic
  17. Scheduling51 topic
  18. Consumption41 topic
  19. Electrolysis41 topic
  20. Hydrogen41 topic
  21. Rebound Effect41 topic

Where does Nnadikwe Johnson work?

Nnadikwe Johnson's main affiliation in the publication record is Imo State University, Nigeria.

How many publications and citations does Nnadikwe Johnson have?

OpenAlex counts 59 works and 55 citations for Nnadikwe Johnson, an h-index of 3, ranking #5,592,393 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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