Abstract
Two different scanning methods were compared to see if acoustic intensity can be accurately measured using a scanning laser Doppler vibrometer (SLDV). Both intensity scans were performed on the same vibrating object, the side panel of a diesel generator enclosure. The first scan was done the traditional way using an intensity probe and scanning grid. The second scan was done using an SLDV. The results from each intensity scan were compared and analyzed. From these results it appears that the SLDV scan is measuring intensity contributed by the vibrating panel alone, while the traditional scan is measuring intensity contributions from both the vibrating panel and the enclosed generator.
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