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Inftech."],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Space limitations in duct applications, new industrial and health safety regulations require new absorber configurations. Micro-perforated panels (MPP) as used in micro-perforated absorbers (MPA) allow new sound absorber concepts in the category of metamaterials. In this contribution we investigate MPA designs for the low and mid-to-high frequency range and apply finite element (FE) simulations to precisely design absorber configurations for applications in room acoustics and axial fans. The investigations show that the MPA\u2019s cavity configuration must be customized for the desired frequency range and has significant influence on fan performance when applied in a duct flow setup.<\/jats:p>","DOI":"10.1007\/s00502-021-00889-y","type":"journal-article","created":{"date-parts":[[2021,4,21]],"date-time":"2021-04-21T15:03:30Z","timestamp":1619017410000},"page":"171-178","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Micro-perforated panels for noise reduction","Mikroperforierte Platten zur Schallreduktion"],"prefix":"10.1007","volume":"138","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0243-553X","authenticated-orcid":false,"given":"Sebastian","family":"Floss","sequence":"first","affiliation":[]},{"given":"Felix","family":"Czwielong","sequence":"additional","affiliation":[]},{"given":"Stefan","family":"Becker","sequence":"additional","affiliation":[]},{"given":"Manfred","family":"Kaltenbacher","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,4,21]]},"reference":[{"issue":"3","key":"889_CR1","doi-asserted-by":"publisher","DOI":"10.1115\/1.4002956","volume":"133","author":"S. 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