Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W778081204', 'doi': None, 'title': 'Wind tunnel investigation of techniques for reducing cowl drag of an axisymmetric external-compression inlet at Mach 2.49', 'display_name': 'Wind tunnel investigation of techniques for reducing cowl drag of an axisymmetric external-compression inlet at Mach 2.49', 'publication_year': 1968, 'publication_date': '1968-03-01', 'ids': {'openalex': 'https://openalex.org/W778081204', 'mag': '778081204'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://ntrs.nasa.gov/api/citations/19680008720/downloads/19680008720.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], '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/A5050819094', 'display_name': 'J. E. Calogeras', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2799786008', 'display_name': 'Glenn Research Center', 'ror': 'https://ror.org/059fqnc42', 'country_code': 'US', 'type': 'facility', 'lineage': ['https://openalex.org/I2799786008', 'https://openalex.org/I4210124779']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'J. E. Calogeras', 'raw_affiliation_strings': ['NASA Lewis Research Center Cleveland, OH., United States'], 'affiliations': [{'raw_affiliation_string': 'NASA Lewis Research Center Cleveland, OH., United States', 'institution_ids': ['https://openalex.org/I2799786008']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5070763880', 'display_name': 'E. T. Meleason', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'E. T. Meleason', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 75, 'max': 77}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10360', 'display_name': 'Turbulent Flows and Vortex Dynamics', 'score': 0.998, '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'}}, 'topics': [{'id': 'https://openalex.org/T10360', 'display_name': 'Turbulent Flows and Vortex Dynamics', 'score': 0.998, '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'}}, {'id': 'https://openalex.org/T10173', 'display_name': 'Computational Fluid Dynamics', 'score': 0.9976, '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'}}, {'id': 'https://openalex.org/T11008', 'display_name': 'Aeroacoustic Analysis of Jet Noise', 'score': 0.9966, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace 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/aerostructural-analysis', 'display_name': 'Aerostructural Analysis', 'score': 0.56472}, {'id': 'https://openalex.org/keywords/wave-drag', 'display_name': 'Wave drag', 'score': 0.5639798}, {'id': 'https://openalex.org/keywords/fluid-mechanics', 'display_name': 'Fluid Mechanics', 'score': 0.517155}, {'id': 'https://openalex.org/keywords/turbulence-modeling', 'display_name': 'Turbulence Modeling', 'score': 0.51616}, {'id': 'https://openalex.org/keywords/supersonic-wind-tunnel', 'display_name': 'Supersonic wind tunnel', 'score': 0.41919792}], 'concepts': [{'id': 'https://openalex.org/C72921944', 'wikidata': 'https://www.wikidata.org/wiki/Q206621', 'display_name': 'Drag', 'level': 2, 'score': 0.7417792}, {'id': 'https://openalex.org/C120338312', 'wikidata': 'https://www.wikidata.org/wiki/Q5304818', 'display_name': 'Drag divergence Mach number', 'level': 4, 'score': 0.68793654}, {'id': 'https://openalex.org/C165231844', 'wikidata': 'https://www.wikidata.org/wiki/Q160669', 'display_name': 'Mach number', 'level': 2, 'score': 0.65787035}, {'id': 'https://openalex.org/C201289731', 'wikidata': 'https://www.wikidata.org/wiki/Q1172599', 'display_name': 'Inlet', 'level': 2, 'score': 0.6301345}, {'id': 'https://openalex.org/C190895693', 'wikidata': 'https://www.wikidata.org/wiki/Q7975302', 'display_name': 'Wave drag', 'level': 4, 'score': 0.5639798}, {'id': 'https://openalex.org/C100086909', 'wikidata': 'https://www.wikidata.org/wiki/Q193010', 'display_name': 'Wind tunnel', 'level': 2, 'score': 0.533125}, {'id': 'https://openalex.org/C57879066', 'wikidata': 'https://www.wikidata.org/wiki/Q41217', 'display_name': 'Mechanics', 'level': 1, 'score': 0.51467234}, {'id': 'https://openalex.org/C180016635', 'wikidata': 'https://www.wikidata.org/wiki/Q2712821', 'display_name': 'Compression (physics)', 'level': 2, 'score': 0.4663697}, {'id': 'https://openalex.org/C33026886', 'wikidata': 'https://www.wikidata.org/wiki/Q593950', 'display_name': 'Rotational symmetry', 'level': 2, 'score': 0.46494642}, {'id': 'https://openalex.org/C178978397', 'wikidata': 'https://www.wikidata.org/wiki/Q333195', 'display_name': 'Supersonic wind tunnel', 'level': 3, 'score': 0.41919792}, {'id': 'https://openalex.org/C123012627', 'wikidata': 'https://www.wikidata.org/wiki/Q7632031', 'display_name': 'Subsonic and transonic wind tunnel', 'level': 4, 'score': 0.4116261}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.40895984}, {'id': 'https://openalex.org/C145244895', 'wikidata': 'https://www.wikidata.org/wiki/Q206621', 'display_name': 'Aerodynamic drag', 'level': 3, 'score': 0.40666983}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.37362516}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.33975554}, {'id': 'https://openalex.org/C13393347', 'wikidata': 'https://www.wikidata.org/wiki/Q8424', 'display_name': 'Aerodynamics', 'level': 2, 'score': 0.33401024}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.24565539}, {'id': 'https://openalex.org/C103838597', 'wikidata': 'https://www.wikidata.org/wiki/Q1579556', 'display_name': 'Transonic', 'level': 3, 'score': 0.098819524}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.06166345}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://ntrs.nasa.gov/api/citations/19680008720/downloads/19680008720.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.88, 'display_name': 'Affordable and clean energy', 'id': 'https://metadata.un.org/sdg/7'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W94473832', 'https://openalex.org/W842417756', 'https://openalex.org/W816845838', 'https://openalex.org/W781466327', 'https://openalex.org/W59310300', 'https://openalex.org/W573751950', 'https://openalex.org/W362209310', 'https://openalex.org/W320477716', 'https://openalex.org/W286470063', 'https://openalex.org/W2760199106', 'https://openalex.org/W267401057', 'https://openalex.org/W231531944', 'https://openalex.org/W231322328', 'https://openalex.org/W215607766', 'https://openalex.org/W2142343962', 'https://openalex.org/W2088636116', 'https://openalex.org/W2009898537', 'https://openalex.org/W1974949451', 'https://openalex.org/W1601589083', 'https://openalex.org/W1600744431'], 'abstract_inverted_index': {'Wind': [0], 'tunnel': [1], 'investigation': [2], 'of': [3, 9], 'techniques': [4], 'for': [5], 'reducing': [6], 'cowl': [7], 'drag': [8], 'external': [10], 'compression': [11], 'inlet': [12], 'at': [13], 'Mach': [14], '2.49': [15]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W778081204', 'counts_by_year': [{'year': 2013, 'cited_by_count': 2}], 'updated_date': '2024-09-10T23:36:24.346410', 'created_date': '2016-06-24'}