Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2912098177', 'doi': 'https://doi.org/10.1016/j.energy.2019.02.031', 'title': 'Experimental and numerical study on the influence of cooled EGR on knock tendency, performance and emissions of a downsized spark-ignition engine', 'display_name': 'Experimental and numerical study on the influence of cooled EGR on knock tendency, performance and emissions of a downsized spark-ignition engine', 'publication_year': 2019, 'publication_date': '2019-02-10', 'ids': {'openalex': 'https://openalex.org/W2912098177', 'doi': 'https://doi.org/10.1016/j.energy.2019.02.031', 'mag': '2912098177'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.energy.2019.02.031', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2497375143', 'display_name': 'Energy', 'issn_l': '0360-5442', 'issn': ['0360-5442', '1873-6785'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5049794087', 'display_name': 'Cinzia Tornatore', 'orcid': 'https://orcid.org/0000-0001-9460-0549'}, 'institutions': [{'id': 'https://openalex.org/I4210118773', 'display_name': 'Istituto Motori', 'ror': 'https://ror.org/02qwy8e97', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I4210118773', 'https://openalex.org/I4210155236']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Cinzia Tornatore', 'raw_affiliation_strings': ['Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210118773']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5061005095', 'display_name': 'Fabio Bozza', 'orcid': 'https://orcid.org/0000-0002-8880-6118'}, 'institutions': [{'id': 'https://openalex.org/I4210104655', 'display_name': 'Ingegneria dei Trasporti (Italy)', 'ror': 'https://ror.org/01fp7rv25', 'country_code': 'IT', 'type': 'company', 'lineage': ['https://openalex.org/I4210104655']}, {'id': 'https://openalex.org/I71267560', 'display_name': 'University of Naples Federico II', 'ror': 'https://ror.org/05290cv24', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I71267560']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Fabio Bozza', 'raw_affiliation_strings': ['Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210104655', 'https://openalex.org/I71267560']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042592674', 'display_name': 'Vincenzo De Bellis', 'orcid': 'https://orcid.org/0000-0002-6797-8690'}, 'institutions': [{'id': 'https://openalex.org/I4210104655', 'display_name': 'Ingegneria dei Trasporti (Italy)', 'ror': 'https://ror.org/01fp7rv25', 'country_code': 'IT', 'type': 'company', 'lineage': ['https://openalex.org/I4210104655']}, {'id': 'https://openalex.org/I71267560', 'display_name': 'University of Naples Federico II', 'ror': 'https://ror.org/05290cv24', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I71267560']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Vincenzo De Bellis', 'raw_affiliation_strings': ['Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210104655', 'https://openalex.org/I71267560']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5053671733', 'display_name': 'Luigi Teodosio', 'orcid': 'https://orcid.org/0000-0003-4994-6916'}, 'institutions': [{'id': 'https://openalex.org/I4210104655', 'display_name': 'Ingegneria dei Trasporti (Italy)', 'ror': 'https://ror.org/01fp7rv25', 'country_code': 'IT', 'type': 'company', 'lineage': ['https://openalex.org/I4210104655']}, {'id': 'https://openalex.org/I71267560', 'display_name': 'University of Naples Federico II', 'ror': 'https://ror.org/05290cv24', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I71267560']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Luigi Teodosio', 'raw_affiliation_strings': ['Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Industrial Engineering Department, Mechanic and Energetic Section, University of Naples "Federico II", Via Claudio 21, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210104655', 'https://openalex.org/I71267560']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5091633612', 'display_name': 'Gerardo Valentino', 'orcid': 'https://orcid.org/0000-0001-8353-9922'}, 'institutions': [{'id': 'https://openalex.org/I4210118773', 'display_name': 'Istituto Motori', 'ror': 'https://ror.org/02qwy8e97', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I4210118773', 'https://openalex.org/I4210155236']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'Gerardo Valentino', 'raw_affiliation_strings': ['Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210118773']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5035171485', 'display_name': 'Luca Marchitto', 'orcid': 'https://orcid.org/0000-0003-3834-3992'}, 'institutions': [{'id': 'https://openalex.org/I4210118773', 'display_name': 'Istituto Motori', 'ror': 'https://ror.org/02qwy8e97', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I4210118773', 'https://openalex.org/I4210155236']}], 'countries': ['IT'], 'is_corresponding': True, 'raw_author_name': 'Luca Marchitto', 'raw_affiliation_strings': ['Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy'], 'affiliations': [{'raw_affiliation_string': 'Istituto Motori – CNR, Via Marconi, 4, 80125, Naples, Italy', 'institution_ids': ['https://openalex.org/I4210118773']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5035171485'], 'corresponding_institution_ids': ['https://openalex.org/I4210118773'], 'apc_list': {'value': 3980, 'currency': 'USD', 'value_usd': 3980, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 6.249, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 62, 'citation_normalized_percentile': {'value': 0.999559, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '172', 'issue': None, 'first_page': '968', 'last_page': '976'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10117', 'display_name': 'Advanced Combustion Engine Technologies', 'score': 0.9999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10117', 'display_name': 'Advanced Combustion Engine Technologies', 'score': 0.9999, '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/T12095', 'display_name': 'Vehicle emissions and performance', 'score': 0.9992, '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/T10553', 'display_name': 'Combustion and flame dynamics', 'score': 0.9944, 'subfield': {'id': 'https://openalex.org/subfields/2206', 'display_name': 'Computational Mechanics'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/mean-effective-pressure', 'display_name': 'Mean effective pressure', 'score': 0.5236599}, {'id': 'https://openalex.org/keywords/ignition-timing', 'display_name': 'Ignition timing', 'score': 0.49127096}, {'id': 'https://openalex.org/keywords/engine-efficiency', 'display_name': 'Engine efficiency', 'score': 0.43398052}], 'concepts': [{'id': 'https://openalex.org/C171146098', 'wikidata': 'https://www.wikidata.org/wiki/Q124192', 'display_name': 'Automotive engineering', 'level': 1, 'score': 0.7372975}, {'id': 'https://openalex.org/C21541133', 'wikidata': 'https://www.wikidata.org/wiki/Q185525', 'display_name': 'Turbocharger', 'level': 3, 'score': 0.6474585}, {'id': 'https://openalex.org/C45882903', 'wikidata': 'https://www.wikidata.org/wiki/Q5042317', 'display_name': 'Fuel efficiency', 'level': 2, 'score': 0.64218026}, {'id': 'https://openalex.org/C103206924', 'wikidata': 'https://www.wikidata.org/wiki/Q285028', 'display_name': 'Exhaust gas recirculation', 'level': 3, 'score': 0.62465584}, {'id': 'https://openalex.org/C62200009', 'wikidata': 'https://www.wikidata.org/wiki/Q2994681', 'display_name': 'Thrust specific fuel consumption', 'level': 3, 'score': 0.5686734}, {'id': 'https://openalex.org/C203032635', 'wikidata': 'https://www.wikidata.org/wiki/Q20962970', 'display_name': 'NOx', 'level': 3, 'score': 0.54430896}, {'id': 'https://openalex.org/C128143373', 'wikidata': 'https://www.wikidata.org/wiki/Q1789953', 'display_name': 'Mean effective pressure', 'level': 4, 'score': 0.5236599}, {'id': 'https://openalex.org/C96532641', 'wikidata': 'https://www.wikidata.org/wiki/Q248240', 'display_name': 'Ignition timing', 'level': 3, 'score': 0.49127096}, {'id': 'https://openalex.org/C105923489', 'wikidata': 'https://www.wikidata.org/wiki/Q133235', 'display_name': 'Combustion', 'level': 2, 'score': 0.48720497}, {'id': 'https://openalex.org/C159063594', 'wikidata': 'https://www.wikidata.org/wiki/Q248382', 'display_name': 'Ignition system', 'level': 2, 'score': 0.46330482}, {'id': 'https://openalex.org/C2777703250', 'wikidata': 'https://www.wikidata.org/wiki/Q1651473', 'display_name': 'Spark-ignition engine', 'level': 3, 'score': 0.45528376}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.438093}, {'id': 'https://openalex.org/C163011139', 'wikidata': 'https://www.wikidata.org/wiki/Q3932934', 'display_name': 'Engine efficiency', 'level': 4, 'score': 0.43398052}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.3859418}, {'id': 'https://openalex.org/C116915560', 'wikidata': 'https://www.wikidata.org/wiki/Q83504', 'display_name': 'Nuclear engineering', 'level': 1, 'score': 0.37773705}, {'id': 'https://openalex.org/C511840579', 'wikidata': 'https://www.wikidata.org/wiki/Q12757', 'display_name': 'Internal combustion engine', 'level': 2, 'score': 0.3733491}, {'id': 'https://openalex.org/C39573554', 'wikidata': 'https://www.wikidata.org/wiki/Q502048', 'display_name': 'Petrol engine', 'level': 3, 'score': 0.2831025}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.1915172}, {'id': 'https://openalex.org/C25797200', 'wikidata': 'https://www.wikidata.org/wiki/Q828137', 'display_name': 'Compression ratio', 'level': 3, 'score': 0.14561984}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.13752082}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.132258}, {'id': 'https://openalex.org/C131097465', 'wikidata': 'https://www.wikidata.org/wiki/Q178898', 'display_name': 'Gas compressor', 'level': 2, 'score': 0.09151003}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.energy.2019.02.031', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2497375143', 'display_name': 'Energy', 'issn_l': '0360-5442', 'issn': ['0360-5442', '1873-6785'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'display_name': 'Affordable and clean energy', 'score': 0.88}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 29, 'referenced_works': ['https://openalex.org/W1966409467', 'https://openalex.org/W1974988550', 'https://openalex.org/W1987756101', 'https://openalex.org/W1989941141', 'https://openalex.org/W1996999685', 'https://openalex.org/W2004374742', 'https://openalex.org/W2019660969', 'https://openalex.org/W2021501897', 'https://openalex.org/W2027274060', 'https://openalex.org/W2028904852', 'https://openalex.org/W2056283535', 'https://openalex.org/W2057023420', 'https://openalex.org/W2069105660', 'https://openalex.org/W2077053833', 'https://openalex.org/W2077914372', 'https://openalex.org/W2154638079', 'https://openalex.org/W2241272905', 'https://openalex.org/W2324685442', 'https://openalex.org/W2520536776', 'https://openalex.org/W2534937326', 'https://openalex.org/W2561813944', 'https://openalex.org/W2610196414', 'https://openalex.org/W2688353334', 'https://openalex.org/W2725049656', 'https://openalex.org/W2736451295', 'https://openalex.org/W2770065695', 'https://openalex.org/W2791917325', 'https://openalex.org/W2795680071', 'https://openalex.org/W2805237134'], 'related_works': ['https://openalex.org/W746125515', 'https://openalex.org/W4280613112', 'https://openalex.org/W3203920684', 'https://openalex.org/W3146515937', 'https://openalex.org/W3034995671', 'https://openalex.org/W3027214678', 'https://openalex.org/W2615414508', 'https://openalex.org/W2550767965', 'https://openalex.org/W2354573903', 'https://openalex.org/W1975002162'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2912098177', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 12}, {'year': 2022, 'cited_by_count': 17}, {'year': 2021, 'cited_by_count': 17}, {'year': 2020, 'cited_by_count': 9}, {'year': 2019, 'cited_by_count': 5}], 'updated_date': '2024-12-09T06:44:46.363069', 'created_date': '2019-02-21'}