The measurement of structural intensity in buildings

R. J M Craik, Ruisen Ming, Robin Wilson

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)


    Two different structural intensity techniques are compared for their reliability and ease of use in the measurement of structural intensity in building structures. It is found that each technique has advantages and disadvantages. A single bi- or tri-axial accelerometer is simpler to use but is not as good in a reactive sound field as a probe formed from two accelerometers placed side by side. The main practical limitation of the measurement of intensity is determined by the reactive sound field. Typical values of the residual intensity index are presented. Measurements made at joints in real buildings show good agreement with direct measurements of power flow, conventional measurements of power flow and predicted values of power flow. © 1995.

    Original languageEnglish
    Pages (from-to)233-248
    Number of pages16
    JournalApplied Acoustics
    Issue number3
    Publication statusPublished - 1995


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