The Institute of Hydromechanics of NAS of Ukraine
Acoustic bulletin
Vol. 2 4
1999
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COVER

1-2

Contents
3-12
[RUS]

I.V.Vovk, S.L.Dahnov, V.V.Krizhanovskii, V.N.Oliynik
Changes of acoustical characteristics of breath noise of pneumonic patients in process of convalsecence
13-22
[RUS]

L.M.Gelman, S.V.Gorpinich
Vibroacoustical free oscillation method for nondestructive testing of cracks
23-31
[RUS]

I.Yu.Goncharova
Acoustical resonators of complex shape with partially permeable walls
32-41
[RUS]

V.T.Grinchenko, V.T.Matsipura
Sound radiation from open end of wedge-shaped waveguide. I. Method of solution and numerical algorithm
42-48
[RUS]

G.R.Gulgazaryan, L.G.Gulgazaryan
Vibration localized near the free end of semi-infinite open moment free cylindrical shell
49-57
[UKR]

O.M.Lysenko
Problems of metrological assurence of acoustic ear impedancemeters
58-68
[RUS]

V.M.Seimov
Non-stationary contact problems for the cylinder in fluid layer on a solid half-space