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dc.contributor.author김선정-
dc.date.accessioned2016-11-18T00:20:31Z-
dc.date.available2016-11-18T00:20:31Z-
dc.date.issued2015-05-
dc.identifier.citationACS NANO, v. 9, Page. 4743-4756en_US
dc.identifier.issn1936-0851-
dc.identifier.issn1936-086X-
dc.identifier.urihttp://pubs.acs.org/doi/abs/10.1021/nn507117a-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/24451-
dc.description.abstractThermophones are highly promising for applications such as high-power SONAR arrays, flexible loudspeakers, and noise cancellation devices. So far, freestanding carbon nanotube aerogel sheets provide the most attractive performance as a thermacoustic heat source. However, the limited accessibility of large-size freestanding carbon nanotube aerogel sheets and other even more exotic materials recently investigated hampers the field. We describe alternative materials for a thermoacoustic heat source with high-energy conversion efficiency, additional functionalities, environmentally friendly, and cost-effective production technologies. We discuss the thermacoustic performance of alternative nanostructured materials and compare their spectral and power dependencies of sound pressure in air. We demonstrate that the heat capacity of aerogel-like nanostructures can be extracted by a thorough analysis of the sound pressure spectra. The study presented here focuses on engineering thermal gradients in the vicinity of nanostructures and subsequent heat dissipation processes from the interior of encapsulated thermoacoustic projectors. Applications of thermoacoustic projectors for high-power SONAR arrays, sound cancellation, and optimal thermal design, regarding enhanced energy conversion efficiency, are discussed.en_US
dc.description.sponsorshipThis research work was supported by Office of Naval Research grants N00014-14-1-0152, Air Force Office of Scientific Research MURI Grant FA9550-12-0035, and Robert A. Welch Foundation Grant AT-0029.en_US
dc.language.isoenen_US
dc.publisherAMER CHEMICAL SOCen_US
dc.subjectnanostructuresen_US
dc.subjectcarbon nanotubesen_US
dc.subjectthermoacousticsen_US
dc.subjectsounden_US
dc.subjectheat transferen_US
dc.titleAlternative Nanostructures for Thermophonesen_US
dc.typeArticleen_US
dc.relation.volume9-
dc.identifier.doi10.1021/nn507117a-
dc.relation.page4743-4756-
dc.relation.journalACS NANO-
dc.contributor.googleauthorAliev, Ali E.-
dc.contributor.googleauthorMayo, Nathanael K.-
dc.contributor.googleauthorde Andrade, Monica Jung-
dc.contributor.googleauthorRobles, Raquel O.-
dc.contributor.googleauthorFang, Shaoli-
dc.contributor.googleauthorBaughman, Ray H.-
dc.contributor.googleauthorZhang, Mei-
dc.contributor.googleauthorChen, Yongsheng-
dc.contributor.googleauthorLee, Jae Ah-
dc.contributor.googleauthorKim, Seon Jeong-
dc.relation.code2015000639-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF ELECTRICAL AND BIOMEDICAL ENGINEERING-
dc.identifier.pidsjk-
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COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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