{"id":"https://openalex.org/A5002530768","orcid":"https://orcid.org/0000-0001-8696-4414","observed_orcids":["https://orcid.org/0000-0001-8696-4414"],"display_name":"Vyacheslav Kovalchuk","raw_author_names":["V. Kovalchuk","V.I. Kovalchuk","V.\u0406. Kovalchuk","Vyacheslav Kovalchuk","\u041elga Dorozh"],"full_name":"Vyacheslav Kovalchuk","works_count":11,"cited_by_count":16,"summary_stats":{"2yr_mean_citedness":0.4,"h_index":3,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5002530768","orcid":"https://orcid.org/0000-0001-8696-4414","observed_orcids":["https://orcid.org/0000-0001-8696-4414"]},"affiliations":[{"institution":{"id":"https://openalex.org/I40179345","ror":"https://ror.org/05xaz0w84","display_name":"Odes\u0430 Polytechnic National University","country_code":"UA","type":"education","lineage":["https://openalex.org/I40179345"]},"years":[2025,2024,2022,2021,2017,2015]}],"last_known_institutions":[{"id":"https://openalex.org/I40179345","ror":"https://ror.org/05xaz0w84","display_name":"Odes\u0430 Polytechnic National University","country_code":"UA","type":"education","lineage":["https://openalex.org/I40179345"]}],"topics":[{"id":"https://openalex.org/T12271","display_name":"Renewable energy and sustainable power systems","count":5,"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/T13856","display_name":"Advanced Power Generation Technologies","count":3,"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/T10050","display_name":"Multi-Criteria Decision Making","count":2,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10197","display_name":"Membrane Separation Technologies","count":2,"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"}},{"id":"https://openalex.org/T10597","display_name":"Nuclear reactor physics and engineering","count":2,"subfield":{"id":"https://openalex.org/subfields/2104","display_name":"Nuclear Energy and Engineering"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13870","display_name":"Environmental and Ecological Studies","value":0.0001324,"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/T13517","display_name":"Environmental and Industrial Safety","value":5.08e-05,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12271","display_name":"Renewable energy and sustainable power systems","value":1.46e-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/T13790","display_name":"Waste Management and Environmental Impact","value":1.25e-05,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13856","display_name":"Advanced Power Generation Technologies","value":1.08e-05,"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"}}],"x_concepts":[{"id":"206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","score":0.6578999757766724},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.5643784403800964},{"id":"134560507","wikidata":"https://www.wikidata.org/wiki/Q753291","display_name":"Environmental economics","score":0.5118574500083923},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5092791318893433},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.40242356061935425}],"counts_by_year":[{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":1},{"year":2022,"works_count":2,"oa_works_count":1,"cited_by_count":5},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2024,"works_count":3,"oa_works_count":3,"cited_by_count":3},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":3}],"display_name_alternatives":["V. Kovalchuk","V.I. Kovalchuk","V.\u0406. Kovalchuk","Vyacheslav Kovalchuk","\u041elga Dorozh"],"block_key":"v kovalchuk","works_api_url":"https://api.openalex.org/works?filter=author.id:A5002530768","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5002530768","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}