{"id":"https://openalex.org/W292018026","doi":null,"title":"Analytic models of ducted turbomachinery tone noise sources. Volume 1: Analysis","display_name":"Analytic models of ducted turbomachinery tone noise sources. Volume 1: Analysis","publication_year":1974,"publication_date":"1974-05-01","ids":{"openalex":"https://openalex.org/W292018026","mag":"292018026"},"language":"en","primary_location":{"id":"pmh:oai:casi.ntrs.nasa.gov:19740022131","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19740022131","pdf_url":"https://ntrs.nasa.gov/api/citations/19740022131/downloads/19740022131.pdf","source":{"id":"https://openalex.org/S4377196257","display_name":"NASA STI Repository (National Aeronautics and Space Administration)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"D6-43296-1"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ntrs.nasa.gov/api/citations/19740022131/downloads/19740022131.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091251720","display_name":"Terry L. Clark","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1295339012","display_name":"Boeing (United States)","ror":"https://ror.org/04sm5zn07","country_code":"US","type":"company","lineage":["https://openalex.org/I1295339012"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Terry L. Clark","raw_affiliation_strings":["Boeing Commercial Airplane Co. Seattle, WA United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Boeing Commercial Airplane Co. Seattle, WA United States","institution_ids":["https://openalex.org/I1295339012"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055773511","display_name":"Ulrich Ganz","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ulrich Ganz","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091364528","display_name":"G. A. Graf","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. A. Graf","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5011786028","display_name":"J. S. Westall","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. S. Westall","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06076035,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9901999831199646,"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"}},"topics":[{"id":"https://openalex.org/T11008","display_name":"Aerodynamics and Acoustics in Jet Flows","score":0.9901999831199646,"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"}},{"id":"https://openalex.org/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.008299999870359898,"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"}},{"id":"https://openalex.org/T10553","display_name":"Combustion and flame dynamics","score":0.00019999999494757503,"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/tonal-noise","display_name":"tonal noise","score":0.7210000157356262},{"id":"https://openalex.org/keywords/subsonic-compressor","display_name":"subsonic compressor","score":0.875},{"id":"https://openalex.org/keywords/annular-duct","display_name":"annular duct","score":0.6980000138282776},{"id":"https://openalex.org/keywords/uniform-flow","display_name":"uniform flow","score":0.6850000023841858},{"id":"https://openalex.org/keywords/sound-pressure","display_name":"acoustic pressure","score":0.44699999690055847},{"id":"https://openalex.org/keywords/rotor-stator-interaction","display_name":"rotor-stator interaction","score":0.8050000071525574}],"concepts":[{"id":"https://openalex.org/C200398353","wikidata":"https://www.wikidata.org/wiki/Q63973","display_name":"Turbomachinery","level":2,"score":0.7906403541564941},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.7045793533325195},{"id":"https://openalex.org/C2781212128","wikidata":"https://www.wikidata.org/wiki/Q2256181","display_name":"Duct (anatomy)","level":2,"score":0.6000576615333557},{"id":"https://openalex.org/C2776529397","wikidata":"https://www.wikidata.org/wiki/Q190312","display_name":"Stator","level":2,"score":0.5167445540428162},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.5108878016471863},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.4384637176990509},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4343684911727905},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.32334235310554504},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.32226163148880005},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:casi.ntrs.nasa.gov:19740022131","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19740022131","pdf_url":"https://ntrs.nasa.gov/api/citations/19740022131/downloads/19740022131.pdf","source":{"id":"https://openalex.org/S4377196257","display_name":"NASA STI Repository (National Aeronautics and Space Administration)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"D6-43296-1"},{"id":"mag:292018026","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19740022131","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:casi.ntrs.nasa.gov:19740022131","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19740022131","pdf_url":"https://ntrs.nasa.gov/api/citations/19740022131/downloads/19740022131.pdf","source":{"id":"https://openalex.org/S4377196257","display_name":"NASA STI Repository (National Aeronautics and Space Administration)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"D6-43296-1"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320328253","display_name":"Bes\u00f6ksn\u00e4ringens forsknings- och utvecklingsfond","ror":"https://ror.org/04a4xxs70"},{"id":"https://openalex.org/F4320332378","display_name":"Langley Research Center","ror":"https://ror.org/0399mhs52"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W292018026.pdf","grobid_xml":"https://content.openalex.org/works/W292018026.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W182912890","https://openalex.org/W1485630731","https://openalex.org/W2032231305","https://openalex.org/W2068214406","https://openalex.org/W2073575744","https://openalex.org/W2090777102","https://openalex.org/W2107362277"],"related_works":["https://openalex.org/W205926240","https://openalex.org/W7072061518","https://openalex.org/W2299096420","https://openalex.org/W306718860","https://openalex.org/W2051439606","https://openalex.org/W820312182","https://openalex.org/W814852205","https://openalex.org/W2086253966","https://openalex.org/W2317280190","https://openalex.org/W7223476065"],"abstract_inverted_index":{"The":[0,26,52],"analytic":[1],"models":[2,53],"developed":[3],"for":[4],"computing":[5],"the":[6,31,41],"periodic":[7],"sound":[8,34],"pressure":[9],"of":[10,36,49],"subsonic":[11],"fans":[12],"and":[13,57],"compressors":[14],"in":[15],"an":[16],"infinite,":[17],"hardwall":[18],"annular":[19],"duct":[20],"with":[21],"uniform":[22],"flow":[23],"are":[24],"described.":[25],"basic":[27],"sound-generating":[28],"mechanism":[29],"is":[30],"scattering":[32],"into":[33],"waves":[35],"velocity":[37],"disturbances":[38],"appearing":[39],"to":[40],"rotor":[42,58],"or":[43],"stator":[44],"blades":[45],"as":[46],"a":[47],"series":[48],"harmonic":[50],"gusts.":[51],"include":[54],"component":[55],"interactions":[56],"alone.":[59]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
