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Golovatenko-Abramov V.I.,4th Central Scientific Research Institute
Mechanics of Solids | Year: 2013

A technological project for measuring the spacecraft angular velocity vector is justified, the maximum accuracy is attained, and the proposed technology is compared with well-known methods for inertial measurements. The present paper is a continuation of [1]. © 2013 Allerton Press, Inc.

Zinkin V.N.,4th Central Scientific Research Institute | Sheshegoff P.M.,Military Clinical Hospital No. 1602
Biomedical Engineering | Year: 2014

A technology for study of sound absorption properties of materials based on tone audiometry is described. A technique for assessing the acoustic efficiency of sound-absorbing materials used in individual sound-protection devices was developed based on the method of bone conduction tone audiometry. © 2014, Springer Science+Business Media New York.

Zelentsov V.B.,RAS Institute of Applied Mechanics | Sakhabudinov R.V.,4th Central Scientific Research Institute
Mechanics of Solids | Year: 2014

The dynamic contact problem of a plane punch motion on the boundary of an elastic half-plane is considered. The punch velocity is constant and does not exceed the Rayleigh wave velocity. The moving punch deforms the elastic half-plane penetrating into it so that the punch base remains parallel to itself at all times. The contact problem is reduced to solving a two-dimensional integral equation for the contact stresses whose two-dimensional kernel depends on the difference of arguments in each variable. A special approximation to the kernel is used to obtain effective solutions of the integral equation. All basic characteristics of the problem including the force of the punch elastic action on the elastic half-plane and the moment stabilizing the punch in the horizontal position in the process of penetration are obtained. A similar problem was considered in [1] and earlier in the "mode of steady-state motions" in [2, 3] and in other publications. © 2014 Allerton Press, Inc.

Dragan S.P.,Burnazyan Federal Medical and Biophysical Center | Zinkin V.N.,4th Central Scientific Research Institute | Bogomolov A.V.,4th Central Scientific Research Institute | Soldatov S.K.,4th Central Scientific Research Institute | Drozdov S.V.,Burnazyan Federal Medical and Biophysical Center
Biomedical Engineering | Year: 2013

An original method for integrated assessment of acoustic performance of individual and collective protection against aircraft noise is described. The method can be used for assessing the efficiency of acoustic noise-reducing headphones, noise-protective helmets, and protective jackets, as well as means of collective protection. © 2013 Springer Science+Business Media New York.

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