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    Improved transparency in broadband absorption using multilayer micro-slit panels and bayesian inference

    Author
    Hoeft, Michael
    View/Open
    179739_Hoeft_rpi_0185N_11558.pdf (9.412Mb)
    Other Contributors
    Xiang, Ning; Braasch, Jonas; Perry, Chris (Christopher S.);
    Date Issued
    2019-08
    Subject
    Architecture
    Degree
    MS;
    Terms of Use
    This electronic version is a licensed copy owned by Rensselaer Polytechnic Institute, Troy, NY. Copyright of original work retained by author.;
    Metadata
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    URI
    https://hdl.handle.net/20.500.13015/2424
    Abstract
    Multilayer Micro-Slit panels (MSP) are assessed for their potential as broadband absorbers that simultaneously maintain visual transparency. Dah-You Maa introduced micro-Slit panel absorbers as a continuation of his previously developed Micro-Perforated panel (MPP) absorbers. Like MPP's, MSP's allow high absorption coefficients to be achieved without using fibrous materials, but are limited to a narrow frequency bandwidth. Broadband absorption can be achieved by combining panels into a multilayer absorber. The complexity of determining the optimum set of parameters required to fulfill a design scheme necessitates implementation of the Bayesian framework. This probabilistic method automatically determines the most concise number of layers required, and gives parameters for each layer of the resulting composite. Panels can be designed efficiently by encoding algorithms into the digital process. The Micro-Slit samples can be fabricated and tested to validate acoustic performance, and assess visual properties. Fabrication errors are mitigated through an iterative optimization process.;
    Description
    August 2019; School of Architecture
    Department
    School of Architecture;
    Publisher
    Rensselaer Polytechnic Institute, Troy, NY
    Relationships
    Rensselaer Theses and Dissertations Online Collection;
    Access
    Restricted to current Rensselaer faculty, staff and students. Access inquiries may be directed to the Rensselaer Libraries.;
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