{"id":"https://openalex.org/A5033885233","orcid":"https://orcid.org/0000-0001-7586-1989","observed_orcids":["https://orcid.org/0000-0001-7586-1989"],"display_name":"Jacek Pielecha","raw_author_names":["J Pielecha","J. Pielecha","Jacek PIELECHA","Jacek Pielecha","Pielecha, Jacek"],"full_name":"Jacek Pielecha","works_count":251,"cited_by_count":2099,"summary_stats":{"2yr_mean_citedness":4.75,"h_index":23,"i10_index":72},"ids":{"openalex":"https://openalex.org/A5033885233","orcid":"https://orcid.org/0000-0001-7586-1989","observed_orcids":["https://orcid.org/0000-0001-7586-1989"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210124041","ror":"https://ror.org/02px88477","display_name":"\u0141ukasiewicz Research Network - Rail Vehicles Institute","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210124041"]},"years":[2013,2005]},{"institution":{"id":"https://openalex.org/I4405266473","ror":"https://ror.org/036vzp831","display_name":"Polish Scientific Society of Combustion Engines","country_code":"PL","type":"other","lineage":["https://openalex.org/I4405266473"]},"years":[2025,2022]},{"institution":{"id":"https://openalex.org/I46597724","ror":"https://ror.org/00p7p3302","display_name":"Pozna\u0144 University of Technology","country_code":"PL","type":"education","lineage":["https://openalex.org/I46597724"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2004,2003,2001]}],"last_known_institutions":[{"id":"https://openalex.org/I46597724","ror":"https://ror.org/00p7p3302","display_name":"Pozna\u0144 University of Technology","country_code":"PL","type":"education","lineage":["https://openalex.org/I46597724"]}],"topics":[{"id":"https://openalex.org/T12095","display_name":"Vehicle emissions and performance","count":213,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T13990","display_name":"Engine and Fuel Emissions","count":206,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10117","display_name":"Advanced Combustion Engine Technologies","count":104,"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/T10808","display_name":"Electric and Hybrid Vehicle Technologies","count":28,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T11524","display_name":"Advanced Aircraft Design and Technologies","count":24,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12095","display_name":"Vehicle emissions and performance","value":0.0016664,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T13990","display_name":"Engine and Fuel Emissions","value":0.0009033,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10117","display_name":"Advanced Combustion Engine Technologies","value":0.0002401,"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/T12126","display_name":"Maritime Transport Emissions and Efficiency","value":0.0002068,"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/T11524","display_name":"Advanced Aircraft Design and Technologies","value":0.0001716,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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":"171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","score":0.8729565739631653},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7668461799621582},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.6518685817718506},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.576670229434967},{"id":"548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","score":0.5172589421272278}],"counts_by_year":[{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":10,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":17,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":15,"oa_works_count":5,"cited_by_count":0},{"year":2012,"works_count":12,"oa_works_count":3,"cited_by_count":28},{"year":2013,"works_count":20,"oa_works_count":3,"cited_by_count":47},{"year":2014,"works_count":21,"oa_works_count":6,"cited_by_count":106},{"year":2015,"works_count":36,"oa_works_count":2,"cited_by_count":135},{"year":2016,"works_count":21,"oa_works_count":12,"cited_by_count":81},{"year":2017,"works_count":16,"oa_works_count":10,"cited_by_count":159},{"year":2018,"works_count":9,"oa_works_count":7,"cited_by_count":150},{"year":2019,"works_count":12,"oa_works_count":9,"cited_by_count":164},{"year":2020,"works_count":11,"oa_works_count":6,"cited_by_count":151},{"year":2021,"works_count":10,"oa_works_count":9,"cited_by_count":226},{"year":2022,"works_count":6,"oa_works_count":6,"cited_by_count":155},{"year":2023,"works_count":9,"oa_works_count":9,"cited_by_count":181},{"year":2024,"works_count":4,"oa_works_count":4,"cited_by_count":181},{"year":2025,"works_count":6,"oa_works_count":6,"cited_by_count":149},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":93}],"display_name_alternatives":["J Pielecha","J. Pielecha","Jacek PIELECHA","Jacek Pielecha","Pielecha, Jacek"],"block_key":"j pielecha","works_api_url":"https://api.openalex.org/works?filter=author.id:A5033885233","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}