Experiments in External Noise Reduction of ... - CAFE Foundation
Experiments in External Noise Reduction of ... - CAFE Foundation
Experiments in External Noise Reduction of ... - CAFE Foundation
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.NACA TN 2079 29.REFERENCEIS .1.2.Theodorsen, Theodore, and Regier, Arthur A.: The Problem <strong>of</strong> <strong>Noise</strong><strong>Reduction</strong> with Reference to Light Airplanes. NACA TN 1145, 1946.Regier, Arthur A.: Effect <strong>of</strong> Distance on Airplsne <strong>Noise</strong>.NACATN1353, 1947.Illicks,Chester W., and Hubbwd, Hsxvey H.:Emission from ’lwo%llade,Four-Blade, andNACATN 1354, 1947.Comparison <strong>of</strong> SoundSeven–Blade Propellers., 4.5“6.7=8.Hubbard, Hsrvey H., and Regier, Arthur A.: Propeller-LoudnessCher~s for fight Airpl=es.- NACA TN 1358, 1~47.Regier, Arthur A., and Hubhrd, Harvey H.: Factors Affect<strong>in</strong>g theDesign <strong>of</strong> Quiet Propellers. NACARM L7H05, 1947.Fletcher, H2cmey, and Munson, W. A.: Loudness, Its Def<strong>in</strong>ition,Measurement ad Calculation. Jour. Acous. Sot. Am., vol. V,no. 2, Oct. 1933, pp. 82-108.Rudmose, H. Wayne, and Beranek, Leo L. : <strong>Noise</strong> <strong>Reduction</strong> <strong>in</strong> Aircraft.Jour. Aero. Sci., vol. 14, no. 2, Feb. 1947, pp. 79-96.Field, R. L., Edwsrds, T. M., I@ngas, Pen, and Pigman, G“.L.:“Measurement <strong>of</strong> Sound Levels Associated with Aircraft, IZi@waysnd Railroad Traffic. Tech. Development Rep. 68, CM, U. S.Dept. Commerce, July 1947.——. -.. .. ..———____ . _ - .——.—.-. _ ———-.——.—. ..
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