Exploring Novel, Hard, Acoustically Absorbent, Materials

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dc.contributor.authorRehfuss, Randall Jayen
dc.contributor.committeechairErmann, Michael G.en
dc.contributor.committeememberSullivan, Martha Lynn Luttrellen
dc.contributor.committeememberKing, Jonathan Leeen
dc.contributor.departmentArchitectureen
dc.date.accessioned2019-10-17T06:00:24Zen
dc.date.available2019-10-17T06:00:24Zen
dc.date.issued2018-04-24en
dc.description.abstractAt the turn of the 20th century two contemporaries in their respective fields teamed up to develop a solution to an acoustic problem with the hard-surfaced vaulted ceilings being installed in many large spanning rooms being built at the time. In the spirit of their ingenuity, this research explores a 21st century solution to a similar problem in contemporary buildings; the desire for a durable, hard surface wall or ceiling material treatment that is more sound absorbent than other common surface treatments. To find a material answer to this desire an impedance tube was used to analyze the mid-frequency octave band absorption coefficients of various re-purposed existing materials and tiles created utilizing 3D print technology and Helmholtz resonators. Additionally, an empirical study of Helmholtz resonator geometry was performed by analyzing the sound absorption of resonant cavity shape changes. Finally, plots of the absorption coefficients for each material tested were created to provide a visual comparison against two common surface treatment materials, tectum and gypsum wall board.en
dc.description.degreeMaster of Architectureen
dc.format.mediumETDen
dc.identifier.othervt_gsexam:12226en
dc.identifier.urihttp://hdl.handle.net/10919/94606en
dc.publisherVirginia Techen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectmaterialen
dc.subjectacoustically absorbenten
dc.subject3D printingen
dc.subjectRafael Guastavinoen
dc.subjectWallace C. Sabineen
dc.subjectCohesive Constructionen
dc.subjectHelmholtz resonatoren
dc.subjectporousen
dc.subjectvaultsen
dc.subjectimpedanceen
dc.subjectabsorptionen
dc.titleExploring Novel, Hard, Acoustically Absorbent, Materialsen
dc.typeThesisen
thesis.degree.disciplineArchitectureen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Architectureen

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