00000nam 2200000zi 4500 9.942902 CaOODSP 20241203121833 m o d f cr bn||||||||| 240905e198206##nscabd ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre D68-21/6-1982E-PDF Leggat, Lennox John, 1949- author. Propeller cavitation noise investigations in a free-field environment / L. J. Leggat ; approved by T. Garrett. Dartmouth, N.S. : Canada Research and Development Branch, Department of National Defence, Defence Research Establishment Atlantic, June 1982. 1 online resource (v, 31 pages) : illustrations, maps, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier D.R.E.A. technical memorandum ; 82/E Digitized edition from print [produced by Defence Research and Development Canada]. Includes bibliographical references (pages 28-29). "This paper describes this cavitation noise facility, reviews the theory and practice behind the measurement technique, and presents some results from tests with three different propellers. These tests included cavitation observations, far-field radiated noise and directivity measurements, and acoustic source localization"--Abstract, page ii. Includes abstracts in English and French. Propellers Cavitation. Cavitation noise. Hélices Cavitation. Cavitation Bruit. Defence Research Establishment Atlantic, issuing body. D.R.E.A. technical memorandum ; 82/E. (CaOODSP)9.941838 PDF 1.50 MB https://publications.gc.ca/collections/collection_2024/rddc-drdc/D68-21-6-1982-eng.pdf