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141. Abstract
... The Photon Density Effect in the Structure of Shock Wave . ... The peculiarity of the radiative (heat conduction dominated) shock structure consists in the possibility both to disappearing and appearing of prominent subshock - isothermal discontinuity which is dependent on the relation of photon number density to matter density n(ph)/n(m) =1.11p(ph)/p(m) ~ T^3/n(m), and on the effective number f degrees of freedom for the matter particles f(m) =f = 2E/n(m)kT at f(photon) = 6. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/ThePhotonDensityEffectintheStructureofShockWave.htm -- 6.5 Кб -- 10.07.2002
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142. Abstract
... The Regular Partially Invariant Submodels of the Rank Three for the Compressible Fluid . ... The gas dynamics model consisting of five first order equations which connects velocity vector, the density, the pressure has been investigated.Our equation of state describes the compressible fluid motion at the large pressure and high temperature. An optimal system of admitted subalgebra is known for such a model. ... The submodels are reduced to a canonical form by special change of the invariants. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheRegularPartiallyInvariantSubmodelsoftheRankThreefortheCompressibleFluid.htm -- 7.0 Кб -- 10.07.2002
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143. Abstract
... The Parametric Generation of Magnetic-Acoustic-Gravity Waves in an Atmosphere . M.Petukhov (Nizhny Novgorod State University, Nizhny Novgorod, Russia); Yu.V.Petukhov (Institute of Applied Physics of RAS, Nizhny Novgorod, Russia) . ... Both nonpropagating and propagating MAG waves are shown to be generated at the difference frequency via the nonlinear interaction of primary waves in the frequency range "forbidden" for propagation of MAG waves during their linear generation. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheParametricGenerationofMagneticAcousticGravityWavesinanAtmosphere.htm -- 6.8 Кб -- 10.07.2002
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144. Abstract
... The Luxemburg-Gorky Effect Revived for Elastic Waves: a Mechanism and Experimental Evidence . ... For many nonlinear effects typical in optics and plasma physics direct acoustic analogies are known. ... This cross-modulation is caused by perturbations in absorption of ionosphere plasma induced by the stronger wave. A majority of the later nonlinear research for waves of different nature focused, however, on effects of reactive, rather than dissipative nonlinearities. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheLuxemburgGorkyEffectRevivedforElasticWavesaMechanismandExperimentalEvidence.htm -- 7.5 Кб -- 10.07.2002
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145. Abstract
... The Normal Waves Excitation by the Pulse Parametric Acoustic Array in the Shallow-Water Waveguide . V.Kurin, S.A.Egorychev, S.N.Gurbatov, N.V.Pronchatov-Rubtsov (Nizhny Novgorod State University, Nizhny Novgorod, Russia) . ... Often as a source of a pulse radiation in shallow-water waveguides the parametric acoustics array are used. ... This experimental work is dedicated to the travel time examination of modal pulses at different methods of the waveguide excitation (linear and nonlinear). ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheNormalWavesExcitationbythePulseParametricAcousticArrayintheShallowWaterWaveguide.htm -- 6.9 Кб -- 10.07.2002
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146. Abstract
... The Inverse Scattering Method for the Equation Describing the High-Frequency Waves in a Relaxing Medium . ... Describing real media under the action of intense waves is often unsuccessful in the framework of equilibrium models of continuum mechanics. ... The interaction of two solitons by both Hirota's method and the IST method are considered. The IST method has a third order eigenvalue problem. ... A procedure for finding the exact N-soliton solution to the VE via the IST method is described. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheInverseScatteringMethodfortheEquationDescribingtheHighFrequencyWavesinaRelaxingMedium.htm -- 7.1 Кб -- 10.07.2002
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147. Abstract
... The Low Frequency Radiator for Processes Intensification . Y.Borisov, M.A.Mironov (Theoretical Laboratory, N.N.Andreev Acoustics Institute, Moscow, Russia) . ... The piston radiator with frequency 25 - 50 Hz for acoustic fields generation in gases with levels 110 - 140 dB in tubes and closed volumes is designed. The efficiency of the radiator exceeds 50 %. ... The acoustic choking of a gap between the piston and a cylinder is provided with inertia and viscosity of a working gas in a gap. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheLowFrequencyRadiatorforProcessesIntensification.htm -- 6.3 Кб -- 10.07.2002
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148. Abstract
... The Noether's Integrals in Optimal Problems of Hypersonic Aerodynamics . ... The heat transfer on the hypersonic aircraft surfaces can be investigated in the limits of boundary layer theory. Majority of works on the theory of optimal controlled boundary layer is connected with the control of incompressible liquid movement, the problems of compressible viscous gas optimal control are considered in a small number of publications. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheNoethersIntegralsinOptimalProblemsofHypersonicAerodynamics.htm -- 7.2 Кб -- 10.07.2002
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149. Abstract
... The Harmonic Generation in Bounded Bessel Field . ... Recent literatures pointed out that the ultrasonic field excited by a boundless Bessel source is a Bessel field and proved using the perturbation method that its n-th harmonic is simply related to Bessel distribution. ... Calculation results show that like the piston field, the bounded Bessel field can be partitioned into the nearfield and the farfield. The nearfield distance of Bessel field is much shorter than that of piston field. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheHarmonicGenerationinBoundedBesselField.htm -- 6.9 Кб -- 10.07.2002
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150. Abstract (Invited)
... The Effect of Ultrasound on Particulate Matter, Especially Micro-Organisms in Complex Water and Waste Water Media . ... Surface waters to be used as resource for drinking water, waste waters and sludges produced in treatment processes are very complex media containing soluble, colloidal and particulate matter. Apart from inert or dead matter the colloidal and particulate phase is mainly composed by organic bio-particles (viruses, bacteria, protozoa). ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheEffectofUltrasoundonParticulateMatterEspeciallyMicroOrganismsinComplexWaterandWasteWaterMedia.htm -- 6.6 Кб -- 10.07.2002
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151. Abstract
... The Influence of a Strong Acoustic CW Wave on Week Resonances in Rock . ... The influence of a strong acoustic wave on a weak probe wave can be used as one of the methods of the Nonlinear Resonance Acoustic Spectroscopy (NRUS). The technique is based on measurements of the resonance frequencies and quality factors (applying linear resonant ultrasound spectroscopy) for a relatively weak probe wave in the presence of a strong CW pump wave. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheInfluenceofaStrongAcousticCWWaveonWeekResonancesinRock.htm -- 6.9 Кб -- 10.07.2002
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152. Abstract
... The Influence of Microstructure of Media on Nonlinear Acoustic Parameter of Solutions . ... The acoustic nonlinear parameter B/A is strongly structure sensitive as it was shown in [Lesnyanskii et al. ... The values of parameters (Ye/Yid and derivative Ye with respect to pressure) are calculated from offered method [Balankina E.S. Proceeding of XI Session of the Russian Acoustic Society, Moscow, 2001 (http://www.akin.ru/RAO/sess11)] using volumetric-elastic properties of solutions. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheInfluenceofMicrostructureofMediaonNonlinearAcousticParameterofSolutions.htm -- 7.2 Кб -- 10.07.2002
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153. Abstract
... The Differential-Invariant Submodels . ... The classification of submodels for the system of the differential equations is recommended with the help to Lie's group of the admitted transformations. ... The system of the differential equations is written as the algebraic menifold between some differential invariants, hence the independent differential invariants are selected from the basis. ... The submodels containing the regular and irregular partial invariant submodels are obtained otherwise. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheDifferentialInvariantSubmodels.htm -- 7.1 Кб -- 10.07.2002
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154. AUTHOR : Teslenko V
AUTHOR : Teslenko V. S. 1. ааа Bimodal Bubble Cluster as a Result of Bubble Fragmentation in a Bipolar Acoustic Pulse . D.V.Voronin, G.N.Sankin, V.S.Teslenko (Lavrentyev Institute of Hydrodynamics, Novosibirsk, Russia); R.Mettin, W.Lauterborn (Drittes Physikalisches Institut, Universitat Gottingen, Gottingen, Germany) . 2. ааа Cooperativity in Bubble Cluster for Cavitational Sonoluminescence . ... A.P.Drozhzhin, V.S.Teslenko (Lavrentyev Institute of Hydrodynamics SB RAS, Novosibirsk, Russia) . ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TeslenkoVS.htm -- 9.2 Кб -- 10.07.2002
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155. AUTHOR : Teymur M
. AUTHOR : Teymur M. 1. ааа Nonlinear Interaction of Two Codirectional Surface SH Waves on a Layered Elastic Half Space . M.Teymur (Department of Mathematics, Istanbul Technical University, Istanbul, Turkey) . 2. ааа Nonlinear Modulation of Rayleigh Waves in a Layered Elastic Half Space . S.Ahmetolan, M.Teymur (Istanbul Technical University, Department of Mathematics, Istanbul, Turkey) .
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TeymurM.htm -- 6.5 Кб -- 10.07.2002
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156. Abstract
... The Behaviour of the Acoustic Gyrometers for Transient and High Rotation Rates . ... Acoustic rate gyros provide output signals that are measures of rotation rates with respect to an inertial frame. They involve both inertial and flow-induced acoustic modes coupling inside rotating cylindrical fluid-filled resonant cavities, the former occurring for transient and stationary rotation of the device, the latter occurring only for the transient rotation. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheBehaviouroftheAcousticGyrometersforTransientandHighRotationRates.htm -- 7.0 Кб -- 10.07.2002
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157. Abstract
... The Application of Sonoluminescence in Medical Diagnostics . V.Chernov (Institute of Applied Physics RAS, Nizhny Novgorod, Russia); V.Z.Zhadnov, R.F.Mishanov, I.A.Shirokova (Academy of Medicine, Nizhny Novgorod, Russia) . ... This gives a hope on possible application of SL in diagnostics. For several years we investigate sonoluminescence of blood plasma to reveal diagnostics parameters of different deceases. ... The SL-properties of blood plasma SL-index are described. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheApplicationofSonoluminescenceinMedicalDiagnostics.htm -- 6.7 Кб -- 10.07.2002
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158. Abstract
... The Difference Frequency Doppler Tomography of Bubble Streams . I.Didenkulov (Institute of Applied Physics RAS, Nizhny Novgorod, Russia); L.M.Kustov, A.I.Martyanov, N.V.Pronchatov-Rubtsov (Nizhny Novgorod State University, Nizhny Novgorod, Russia); S.W.Yoon (Sung Kyun Kwan University, Suwon, Republic of Korea) . ... It is based on measurement of Doppler frequency spectrum of the difference frequency acoustic wave scattered from the bubble stream and it comparison with the model spectrum. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheDifferenceFrequencyDopplerTomographyofBubbleStreams.htm -- 7.2 Кб -- 10.07.2002
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159. Abstract (Invited)
... The Chemical Consequences of Cavitation . ... High intensity ultrasound has found new applications in driving chemical reactions and in the preparation of unusual materials. The chemical effects of ultrasound originate from acoustic cavitation: the formation, growth, and implosive collapse of bubbles in a liquid. ... In otherwise cold liquids, ultrasound is able to drive reactions that normally occur only under extreme conditions. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheChemicalConsequencesofCavitation.htm -- 7.3 Кб -- 10.07.2002
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160. Abstract
... The Adhesive Mechanism of Hysteretic Nonlinearity for Media with Cracks . ... The creation of models of different defects (dislocations, cracks etc.) and construction of state equations for solids containing such defects, is one of modern problems of nonlinear acoustics and seismic-acoustics. ... This circumstance creates favorable capabilities for nonlinear acoustic diagnostics of both single defects in solids, and solids containing a great number of such defects. ...
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Ссылки http://acs366.phys.msu.su/isna16/Abstracts/TheAdhesiveMechanismofHystereticNonlinearityforMediawithCracks.htm -- 7.0 Кб -- 10.07.2002
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