{"id":"https://openalex.org/A5009931355","orcid":"https://orcid.org/0000-0001-9766-2059","observed_orcids":["https://orcid.org/0000-0001-9766-2059"],"display_name":"Eric Chekwube Okonkwo","raw_author_names":["Eric C. Okonkwo","Eric Chekwube Okonkwo"],"full_name":"Eric Chekwube Okonkwo","works_count":43,"cited_by_count":2882,"summary_stats":{"2yr_mean_citedness":23.5,"h_index":27,"i10_index":40},"ids":{"openalex":"https://openalex.org/A5009931355","orcid":"https://orcid.org/0000-0001-9766-2059","observed_orcids":["https://orcid.org/0000-0001-9766-2059"]},"affiliations":[{"institution":{"id":"https://openalex.org/I16197041","ror":"https://ror.org/04mk5mk38","display_name":"Cyprus International University","country_code":"CY","type":"education","lineage":["https://openalex.org/I16197041"]},"years":[2020,2019,2018,2016]},{"institution":{"id":"https://openalex.org/I4210144839","ror":"https://ror.org/03eyq4y97","display_name":"Hamad bin Khalifa University","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]},"years":[2024,2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I92528248","ror":"https://ror.org/01cawbq05","display_name":"Qatar Foundation","country_code":"QA","type":"funder","lineage":["https://openalex.org/I92528248"]},"years":[2023,2022,2021,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I4210144839","ror":"https://ror.org/03eyq4y97","display_name":"Hamad bin Khalifa University","country_code":"QA","type":"education","lineage":["https://openalex.org/I4210144839"]}],"topics":[{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","count":23,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10104","display_name":"Nanofluid Flow and Heat Transfer","count":21,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11945","display_name":"Heat Transfer Mechanisms","count":10,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11007","display_name":"Hybrid Renewable Energy Systems","count":8,"subfield":{"id":"https://openalex.org/subfields/2102","display_name":"Energy Engineering and Power Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10568","display_name":"Thermodynamic and Exergetic Analyses of Power and Cooling Systems","count":7,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10104","display_name":"Nanofluid Flow and Heat Transfer","value":0.0002349,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","value":9.84e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11945","display_name":"Heat Transfer Mechanisms","value":7.51e-05,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12008","display_name":"Solar-Powered Water Purification Methods","value":7.45e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12724","display_name":"Water-Energy-Food Nexus Studies","value":6.13e-05,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7868509292602539},{"id":"97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","score":0.5743359923362732},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4822971820831299},{"id":"119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","score":0.2087741196155548},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.20498907566070557}],"counts_by_year":[{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":6,"oa_works_count":1,"cited_by_count":11},{"year":2019,"works_count":6,"oa_works_count":0,"cited_by_count":41},{"year":2020,"works_count":13,"oa_works_count":7,"cited_by_count":148},{"year":2021,"works_count":10,"oa_works_count":4,"cited_by_count":340},{"year":2022,"works_count":3,"oa_works_count":1,"cited_by_count":485},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":527},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":493},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":507},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":328}],"display_name_alternatives":["Eric C. Okonkwo","Eric Chekwube Okonkwo"],"block_key":"e okonkwo","works_api_url":"https://api.openalex.org/works?filter=author.id:A5009931355","updated_date":"2026-11-09T14:06:01","created_date":"2016-11-30T00:00:00"}