Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2253803926', 'doi': 'https://doi.org/10.4271/810977', 'title': 'Effect of Piston and Piston Ring Designs on the Piston Friction Forces in Diesel Engines', 'display_name': 'Effect of Piston and Piston Ring Designs on the Piston Friction Forces in Diesel Engines', 'publication_year': 1981, 'publication_date': '1981-09-01', 'ids': {'openalex': 'https://openalex.org/W2253803926', 'doi': 'https://doi.org/10.4271/810977', 'mag': '2253803926'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.4271/810977', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210202285', 'display_name': 'SAE technical papers on CD-ROM/SAE technical paper series', 'issn_l': '0148-7191', 'issn': ['0148-7191', '1083-4958', '2688-3627'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'proceedings-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/A5083397262', 'display_name': 'Shoichi FURUHAMA', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Shoichi Furuhama', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5045548453', 'display_name': 'Masaaki Takiguchi', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Masaaki Takiguchi', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5113924271', 'display_name': 'Kenji Tomizawa', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Kenji Tomizawa', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 7.003, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 58, 'citation_normalized_percentile': {'value': 0.975124, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11138', 'display_name': 'Tribology and Lubrication Engineering', 'score': 0.9993, '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'}}, 'topics': [{'id': 'https://openalex.org/T11138', 'display_name': 'Tribology and Lubrication Engineering', 'score': 0.9993, '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/T13213', 'display_name': 'Mechanical Failure Analysis and Simulation', 'score': 0.9907, '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/T12907', 'display_name': 'Mechanical Engineering and Vibrations Research', 'score': 0.9894, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/piston', 'display_name': 'Piston (optics)', 'score': 0.8961634}, {'id': 'https://openalex.org/keywords/piston-ring', 'display_name': 'Piston ring', 'score': 0.849064}], 'concepts': [{'id': 'https://openalex.org/C199524791', 'wikidata': 'https://www.wikidata.org/wiki/Q7198512', 'display_name': 'Piston (optics)', 'level': 3, 'score': 0.8961634}, {'id': 'https://openalex.org/C2778434098', 'wikidata': 'https://www.wikidata.org/wiki/Q1127214', 'display_name': 'Piston ring', 'level': 3, 'score': 0.849064}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.51967275}, {'id': 'https://openalex.org/C171146098', 'wikidata': 'https://www.wikidata.org/wiki/Q124192', 'display_name': 'Automotive engineering', 'level': 1, 'score': 0.51911116}, {'id': 'https://openalex.org/C2780804531', 'wikidata': 'https://www.wikidata.org/wiki/Q174174', 'display_name': 'Diesel engine', 'level': 2, 'score': 0.5027547}, {'id': 'https://openalex.org/C138171918', 'wikidata': 'https://www.wikidata.org/wiki/Q38423', 'display_name': 'Diesel fuel', 'level': 2, 'score': 0.4515046}, {'id': 'https://openalex.org/C153865515', 'wikidata': 'https://www.wikidata.org/wiki/Q448999', 'display_name': 'Radial piston pump', 'level': 3, 'score': 0.43468648}, {'id': 'https://openalex.org/C2780378348', 'wikidata': 'https://www.wikidata.org/wiki/Q25351438', 'display_name': 'Ring (chemistry)', 'level': 2, 'score': 0.4039654}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.34718797}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.332452}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.331117}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.22295642}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.11691803}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.09006491}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C165699331', 'wikidata': 'https://www.wikidata.org/wiki/Q461533', 'display_name': 'Wavefront', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C131097465', 'wikidata': 'https://www.wikidata.org/wiki/Q178898', 'display_name': 'Gas compressor', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.4271/810977', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210202285', 'display_name': 'SAE technical papers on CD-ROM/SAE technical paper series', 'issn_l': '0148-7191', 'issn': ['0148-7191', '1083-4958', '2688-3627'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], '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': 0.6}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 3, 'referenced_works': ['https://openalex.org/W2027169168', 'https://openalex.org/W2068181383', 'https://openalex.org/W2725591632'], 'related_works': ['https://openalex.org/W885718573', 'https://openalex.org/W4293399091', 'https://openalex.org/W4240583681', 'https://openalex.org/W2729280731', 'https://openalex.org/W2387547891', 'https://openalex.org/W2365925264', 'https://openalex.org/W2362852953', 'https://openalex.org/W2356601760', 'https://openalex.org/W2322012032', 'https://openalex.org/W1975149591'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2253803926', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-12-10T10:21:51.342132', 'created_date': '2016-06-24'}