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    Ralph Muehleisen, PhD, PE - Adjunct Clinical Associate Professor, CAE

    Ralph Muehleisen, PhD, PE

    Adjunct Clinical Associate Professor, CAE

    Architectural Engineering

    Office: AM 212
    3201 South Dearborn Street
    Chicago, IL 60616-3793

    Phone: 312.567.3545
    Fax: 312.567.3519
    Email: muehleisen@iit.edu
    Web:
         

    Expertise

    • Radiative transfer in room acoustics, acoustic properties of porous media, temperature growth in thermoacoustic heat engines, thermoacoustic-Stirling heat engines and refrigerators, photoacoustic gas analysis, fractal methods for room acoustics.

    Education

    Research


    Descriptions of Current Projects

    1. Development of the radiative transfer (radiosity) method for the prediction of acoustic fields in building enclosures.

    2. Development of measurement methods and empirical formula for the acoustic properties (complex propagating wave number and complex characteristic acoustic impedance) of low flow resistivity porous materials such as reticulated vitreous carbon (RVC).

    3. Experimental investigations of the temperature growth in stack plates of a thermoacoustic heat engine.

    4. Development of Thermoacoustic-Stirling heat engines and refrigerators.

    5. Investigation of the application of maximum length sequence (MLS) methods to photoacoustic gas analysis.

    6. Investigation of the use of fractals for characterization and extrapolation of acoustic impulse responses of rooms.

    Sponsors
    National Science Foundation
    Office of Naval Research

    Current Projects

    • 1. Radiative transfer in room acoustics
    • 2. Acoustic properties of porous media
    • 3. Temperature growth in thermoacoustic heat engines
    • 4. Thermoacoustic-Stirling heat engines and refrigerators
    • 5. Photoacoustic gas analysis
    • 6. Fractal methods for room acoustics

    Awards/Honors

    Patents

    Books

    Selected Publications

    Professional Society Memberships

    Civil and Architectural Engineering
    3201 South Dearborn Street
    Room 228 Alumni Memorial Hall
    Chicago, IL 60616-3793
    Phone: 312.567.3540
    312.567.3519