Pressure-sensitive paint as a distributed optical microphone array
Pressure-sensitive paint is presented and evaluated in this article as a quantitative technique for measurement of acoustic pressure fluctuations. This work is the culmination of advances in paint technology which enable unsteady measurements of fluctuations over 10 kHz at pressure levels as low as...
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Veröffentlicht in: | The Journal of the Acoustical Society of America 2006, Vol.119 (1), p.251-261 |
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creator | Gregory, James W. Sullivan, John P. Wanis, Sameh S. Komerath, Narayanan M. |
description | Pressure-sensitive paint is presented and evaluated in this article as a quantitative technique for measurement of acoustic pressure fluctuations. This work is the culmination of advances in paint technology which enable unsteady measurements of fluctuations over
10
kHz
at pressure levels as low as
125
dB
. Pressure-sensitive paint may be thought of as a nano-scale array of optical microphones with a spatial resolution limited primarily by the resolution of the imaging device. Thus, pressure-sensitive paint is a powerful tool for making high-amplitude sound pressure measurements. In this work, the paint was used to record ensemble-averaged, time-resolved, quantitative measurements of two-dimensional mode shapes in an acoustic resonance cavity. A wall-mounted speaker generated nonlinear, standing acoustic waves in a rigid enclosure measuring
216
mm
wide,
169
mm
high, and
102
mm
deep. The paint recorded the acoustic surface pressures of the (1,1,0) mode shape at
∼
1.3
kHz
and a sound pressure level of
145.4
dB
. Results from the paint are compared with data from a Kulite pressure transducer, and with linear acoustic theory. The paint may be used as a diagnostic technique for ultrasonic tests where high spatial resolution is essential, or in nonlinear acoustic applications such as shock tubes. |
doi_str_mv | 10.1121/1.2140935 |
format | Article |
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10
kHz
at pressure levels as low as
125
dB
. Pressure-sensitive paint may be thought of as a nano-scale array of optical microphones with a spatial resolution limited primarily by the resolution of the imaging device. Thus, pressure-sensitive paint is a powerful tool for making high-amplitude sound pressure measurements. In this work, the paint was used to record ensemble-averaged, time-resolved, quantitative measurements of two-dimensional mode shapes in an acoustic resonance cavity. A wall-mounted speaker generated nonlinear, standing acoustic waves in a rigid enclosure measuring
216
mm
wide,
169
mm
high, and
102
mm
deep. The paint recorded the acoustic surface pressures of the (1,1,0) mode shape at
∼
1.3
kHz
and a sound pressure level of
145.4
dB
. Results from the paint are compared with data from a Kulite pressure transducer, and with linear acoustic theory. The paint may be used as a diagnostic technique for ultrasonic tests where high spatial resolution is essential, or in nonlinear acoustic applications such as shock tubes.</description><identifier>ISSN: 0001-4966</identifier><identifier>EISSN: 1520-8524</identifier><identifier>DOI: 10.1121/1.2140935</identifier><identifier>PMID: 16454281</identifier><identifier>CODEN: JASMAN</identifier><language>eng</language><publisher>Woodbury, NY: Acoustical Society of America</publisher><subject>Acoustical measurements and instrumentation ; Acoustics ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Physics</subject><ispartof>The Journal of the Acoustical Society of America, 2006, Vol.119 (1), p.251-261</ispartof><rights>2006 Acoustical Society of America</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-6c6a3e5f72b8eda7c6f1312c97a82088f2d73c80fbcccd675d6e3cfa4d5b9e5c3</citedby><cites>FETCH-LOGICAL-c434t-6c6a3e5f72b8eda7c6f1312c97a82088f2d73c80fbcccd675d6e3cfa4d5b9e5c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>207,208,314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17455705$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16454281$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gregory, James W.</creatorcontrib><creatorcontrib>Sullivan, John P.</creatorcontrib><creatorcontrib>Wanis, Sameh S.</creatorcontrib><creatorcontrib>Komerath, Narayanan M.</creatorcontrib><title>Pressure-sensitive paint as a distributed optical microphone array</title><title>The Journal of the Acoustical Society of America</title><addtitle>J Acoust Soc Am</addtitle><description>Pressure-sensitive paint is presented and evaluated in this article as a quantitative technique for measurement of acoustic pressure fluctuations. This work is the culmination of advances in paint technology which enable unsteady measurements of fluctuations over
10
kHz
at pressure levels as low as
125
dB
. Pressure-sensitive paint may be thought of as a nano-scale array of optical microphones with a spatial resolution limited primarily by the resolution of the imaging device. Thus, pressure-sensitive paint is a powerful tool for making high-amplitude sound pressure measurements. In this work, the paint was used to record ensemble-averaged, time-resolved, quantitative measurements of two-dimensional mode shapes in an acoustic resonance cavity. A wall-mounted speaker generated nonlinear, standing acoustic waves in a rigid enclosure measuring
216
mm
wide,
169
mm
high, and
102
mm
deep. The paint recorded the acoustic surface pressures of the (1,1,0) mode shape at
∼
1.3
kHz
and a sound pressure level of
145.4
dB
. Results from the paint are compared with data from a Kulite pressure transducer, and with linear acoustic theory. The paint may be used as a diagnostic technique for ultrasonic tests where high spatial resolution is essential, or in nonlinear acoustic applications such as shock tubes.</description><subject>Acoustical measurements and instrumentation</subject><subject>Acoustics</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Physics</subject><issn>0001-4966</issn><issn>1520-8524</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp1kMtKxDAUhoMoOo4ufAHpRsFFx9zTbgQdvMGALnQd0jTFSG_mpMK8vR2mOitXhwMf_3_Oh9AZwQtCKLkmC0o4zpnYQzMiKE4zQfk-mmGMScpzKY_QMcDnuIqM5YfoiEguOM3IDN29BgcwBJeCa8FH_-2S3vg2JgYSk5QeYvDFEF2ZdH301tRJ423o-o-udYkJwaxP0EFlanCn05yj94f7t-VTunp5fF7erlLLGY-ptNIwJypFi8yVRllZEUaozZXJKM6yipaK2QxXhbW2lEqU0jFbGV6KInfCsjm63Ob2ofsaHETdeLCurk3rugG0VJJKhtUIXm3B8U6A4CrdB9-YsNYE640wTfQkbGTPp9ChaFy5IydDI3AxAQbG76tgWuthxykuhMKboJstB9ZHE33X_t_661z_Odc9-wG5LYjZ</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Gregory, James W.</creator><creator>Sullivan, John P.</creator><creator>Wanis, Sameh S.</creator><creator>Komerath, Narayanan M.</creator><general>Acoustical Society of America</general><general>American Institute of Physics</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8BM</scope></search><sort><creationdate>2006</creationdate><title>Pressure-sensitive paint as a distributed optical microphone array</title><author>Gregory, James W. ; Sullivan, John P. ; Wanis, Sameh S. ; Komerath, Narayanan M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-6c6a3e5f72b8eda7c6f1312c97a82088f2d73c80fbcccd675d6e3cfa4d5b9e5c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Acoustical measurements and instrumentation</topic><topic>Acoustics</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gregory, James W.</creatorcontrib><creatorcontrib>Sullivan, John P.</creatorcontrib><creatorcontrib>Wanis, Sameh S.</creatorcontrib><creatorcontrib>Komerath, Narayanan M.</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><jtitle>The Journal of the Acoustical Society of America</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gregory, James W.</au><au>Sullivan, John P.</au><au>Wanis, Sameh S.</au><au>Komerath, Narayanan M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pressure-sensitive paint as a distributed optical microphone array</atitle><jtitle>The Journal of the Acoustical Society of America</jtitle><addtitle>J Acoust Soc Am</addtitle><date>2006</date><risdate>2006</risdate><volume>119</volume><issue>1</issue><spage>251</spage><epage>261</epage><pages>251-261</pages><issn>0001-4966</issn><eissn>1520-8524</eissn><coden>JASMAN</coden><abstract>Pressure-sensitive paint is presented and evaluated in this article as a quantitative technique for measurement of acoustic pressure fluctuations. This work is the culmination of advances in paint technology which enable unsteady measurements of fluctuations over
10
kHz
at pressure levels as low as
125
dB
. Pressure-sensitive paint may be thought of as a nano-scale array of optical microphones with a spatial resolution limited primarily by the resolution of the imaging device. Thus, pressure-sensitive paint is a powerful tool for making high-amplitude sound pressure measurements. In this work, the paint was used to record ensemble-averaged, time-resolved, quantitative measurements of two-dimensional mode shapes in an acoustic resonance cavity. A wall-mounted speaker generated nonlinear, standing acoustic waves in a rigid enclosure measuring
216
mm
wide,
169
mm
high, and
102
mm
deep. The paint recorded the acoustic surface pressures of the (1,1,0) mode shape at
∼
1.3
kHz
and a sound pressure level of
145.4
dB
. Results from the paint are compared with data from a Kulite pressure transducer, and with linear acoustic theory. The paint may be used as a diagnostic technique for ultrasonic tests where high spatial resolution is essential, or in nonlinear acoustic applications such as shock tubes.</abstract><cop>Woodbury, NY</cop><pub>Acoustical Society of America</pub><pmid>16454281</pmid><doi>10.1121/1.2140935</doi><tpages>11</tpages></addata></record> |
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source | AIP Journals Complete; Acoustical Society of America (AIP) |
subjects | Acoustical measurements and instrumentation Acoustics Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics |
title | Pressure-sensitive paint as a distributed optical microphone array |
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