{"id":"https://openalex.org/W2043768047","doi":"https://doi.org/10.1121/1.1916630","title":"Measurement of Acoustic Impedances of Surfaces in Water","display_name":"Measurement of Acoustic Impedances of Surfaces in Water","publication_year":1947,"publication_date":"1947-09-01","ids":{"openalex":"https://openalex.org/W2043768047","doi":"https://doi.org/10.1121/1.1916630","mag":"2043768047"},"language":"en","primary_location":{"id":"doi:10.1121/1.1916630","doi":"https://doi.org/10.1121/1.1916630","is_oa":false,"landing_page_url":"https://doi.org/10.1121/1.1916630","pdf_url":null,"source":{"id":"https://openalex.org/S11296630","display_name":"The Journal of the Acoustical Society of America","issn_l":"0001-4966","issn":["0001-4966","1520-8524","1520-9024"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","ccf-b","cwts-core","dongbi-b","erih-plus","jufo-3","ki-jl-1","medline","norway-2","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320226","host_organization_name":"Acoustical Society of America","host_organization_lineage":["https://openalex.org/P4310320226"],"host_organization_lineage_names":["Acoustical Society of America"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of the Acoustical Society of America","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003366213","display_name":"Richard D. Fay","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. D. Fay","raw_affiliation_strings":["Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111600326","display_name":"Richard L. Brown","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. L. Brown","raw_affiliation_strings":["Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078320660","display_name":"O. V. Fortier","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"O. V. Fortier","raw_affiliation_strings":["Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Acoustics Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I63966007"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.13186813,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"19","issue":"5","first_page":"850","last_page":"856"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.7432000041007996,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.7432000041007996,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.15369999408721924,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.08829999715089798,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/acoustic-impedance","display_name":"acoustic impedance","score":0.8019999861717224},{"id":"https://openalex.org/keywords/impedance-tube","display_name":"impedance tube","score":0.8339999914169312},{"id":"https://openalex.org/keywords/water-filled-tube","display_name":"water-filled tube","score":0.7749999761581421},{"id":"https://openalex.org/keywords/phase-velocity","display_name":"phase velocity","score":0.7730000019073486},{"id":"https://openalex.org/keywords/radial-pressure-distribution","display_name":"radial pressure distribution","score":0.7120000123977661},{"id":"https://openalex.org/keywords/tube-wall-thickness","display_name":"tube wall thickness","score":0.6110000014305115},{"id":"https://openalex.org/keywords/tube-diameter","display_name":"tube diameter","score":0.8450000286102295}],"concepts":[{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.776418924331665},{"id":"https://openalex.org/C98937189","wikidata":"https://www.wikidata.org/wiki/Q975684","display_name":"Acoustic impedance","level":3,"score":0.7289849519729614},{"id":"https://openalex.org/C2777551473","wikidata":"https://www.wikidata.org/wiki/Q2093072","display_name":"Tube (container)","level":2,"score":0.7116841673851013},{"id":"https://openalex.org/C17829176","wikidata":"https://www.wikidata.org/wiki/Q179043","display_name":"Electrical impedance","level":2,"score":0.6512842178344727},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.6361156105995178},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.6072556376457214},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.5660789608955383},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5142919421195984},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4765665829181671},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4552355110645294},{"id":"https://openalex.org/C200351514","wikidata":"https://www.wikidata.org/wiki/Q124003","display_name":"Speed of sound","level":2,"score":0.4539102017879486},{"id":"https://openalex.org/C203718221","wikidata":"https://www.wikidata.org/wiki/Q491713","display_name":"Sound (geography)","level":2,"score":0.4462498426437378},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.40606433153152466},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3506026864051819},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17502522468566895},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.10171884298324585},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07486692070960999},{"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/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1121/1.1916630","doi":"https://doi.org/10.1121/1.1916630","is_oa":false,"landing_page_url":"https://doi.org/10.1121/1.1916630","pdf_url":null,"source":{"id":"https://openalex.org/S11296630","display_name":"The Journal of the Acoustical Society of America","issn_l":"0001-4966","issn":["0001-4966","1520-8524","1520-9024"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","ccf-b","cwts-core","dongbi-b","erih-plus","jufo-3","ki-jl-1","medline","norway-2","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320226","host_organization_name":"Acoustical Society of America","host_organization_lineage":["https://openalex.org/P4310320226"],"host_organization_lineage_names":["Acoustical Society of America"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of the Acoustical Society of America","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/14","score":0.5099999904632568,"display_name":"Life below water"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2060775246","https://openalex.org/W7223574478","https://openalex.org/W3215549970","https://openalex.org/W2057472155","https://openalex.org/W2066430985","https://openalex.org/W296385235","https://openalex.org/W2024081139","https://openalex.org/W7009258881","https://openalex.org/W2588084995","https://openalex.org/W2004972410"],"abstract_inverted_index":{"An":[0],"analytical":[1],"and":[2,26,29,76,93,102],"experimental":[3],"investigation":[4],"of":[5,8,23,27,43,53,71,85],"the":[6,41,56,62,69,77,86,99],"practicability":[7],"a":[9,36,83],"water-filled":[10],"acoustic":[11,45],"impedance":[12,42],"tube":[13,24,38,57,87],"is":[14,17,58,88],"described.":[15],"It":[16],"shown":[18],"that":[19],"by":[20],"proper":[21],"choice":[22],"material,":[25],"diameter":[28],"wall":[30],"thickness":[31],"with":[32],"respect":[33],"to":[34],"wave-length,":[35],"satisfactory":[37],"for":[39,98],"measuring":[40],"underwater":[44],"materials":[46],"can":[47],"be":[48],"built.":[49],"The":[50],"phase":[51,100],"velocity":[52,70,101],"sound":[54,72,80],"in":[55,61,73,79],"nearly":[59],"constant":[60],"useful":[63],"frequency":[64,89],"range":[65],"but":[66],"less":[67],"than":[68],"free":[74],"water,":[75],"variation":[78],"pressure":[81,104],"along":[82],"radius":[84],"dependent.":[90],"Both":[91],"rigorous":[92],"approximate":[94],"formulae":[95,107],"are":[96,108],"given":[97],"radial":[103],"dependence.":[105],"These":[106],"checked":[109],"experimentally.":[110]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}