Design study for noise tests on laminar flow fin

Show simple item record 2015-08-27T12:17:01Z 2015-08-27T12:17:01Z 1965-02
dc.description.abstract The study deals mainly with engineering problems associated with the introduction of a noise generating facility on 'Lincoln' aircraft R.F.342 for the purpose of studying the effect of high intensity sound pressure levels at both random and discrete frequencies on the laminar flow fin currently being tested in this aircraft. The frequencies selected as representative of both turbulent boundary layer and propulsion system disturbances lie within the band. 200 to 2000 c.p.s. with an upper limit of 1200 c.p.s. for discrete work. Required sound pressure level at the fin surface is estimated to be 130 db. Conclusions are that the project is feasible but with the reservation that certain estimated figures and effects will require to be confirmed by a test programme prior to mounting the full-scale experiment. en_UK
dc.language.iso en en_UK
dc.publisher College of Aeronautics en_UK
dc.relation.ispartofseries 64 en_UK
dc.relation.ispartofseries COA/M-64 en_UK
dc.title Design study for noise tests on laminar flow fin en_UK
dc.type Report en_UK

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