On linear acoustic solutions of high speed helicopter impulsive noise problems

DOI10.1016/0022-460X(83)90915-XzbMath0521.76064OpenAlexW2019558489MaRDI QIDQ3670796

Christopher K. W. Tam

Publication date: 1983

Published in: Journal of Sound and Vibration (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-460x(83)90915-x

zbMATH Keywords

far fieldhigher harmonicscomputation procedure for thickness noisehelicopter rotor blade with blunt leading edgehigh transonic tip Mach numberinverse root type at front and logarithmic singularity near endlinear acoustic solutionsNACA 0012 airfoil sectionsingularities and radiating discontinuity

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Basic methods in fluid mechanics (76M99)

Related Items (5)

Asymptotic analysis of the radiation by volume sources in supersonic rotor acoustics ⋮ Weakly nonlinear acoustic and shock-wave theory of the noise of advanced high-speed turbopropellers ⋮ The effect of blade sweep on the reduction and enhancement of supersonic propeller noise ⋮ Shocks and singularities in the pressure field of a supersonically rotating propeller ⋮ The breakdown of the linearized theory and the role of quadrupole sources in transonic rotor acoustics

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