Accession Number : AD0758017
Title : The Influence of Drag Reducing Polymer on Radiated Noise from Rough Surfaces.
Descriptive Note : Project rept. Oct 70-Nov 71,
Corporate Author : MINNESOTA UNIV MINNEAPOLIS ST ANTHONY FALLS HYDRAULIC LAB
Personal Author(s) : Killen,John M.
Report Date : JAN 1972
Pagination or Media Count : 29
Abstract : Experimental measurements were made of radiated noise from a rough surface in water and from the same noise moving in a dilute water solution of a drag reducing polymer. Roughly 10 Db of noise reduction was observed for a concentration of 100 ppmw Polyox 301. (Author)
Descriptors : (*FLUID DYNAMICS, *SURFACE ROUGHNESS), (*NOISE, REDUCTION), POLYMERS, DRAG, TEST FACILITIES, TEST METHODS, HYDROPHONES, STANDING WAVE INDICATORS, PRESSURE, NOISE GENERATORS
Subject Categories : Fluid Mechanics
Distribution Statement : APPROVED FOR PUBLIC RELEASE