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11.
The effect of plasma polarization around a negatively charged dust particle is investigated with the help of Monte Carlo simulation of ion trajectories in the electric field of the dust particle and an external electric field. The induced dipole moment of such a system was estimated in a wide range of dust particle and plasma parameters. It is shown that the dipole moment is very large, and has a non‐monotonous dependence on the external electric field. For a small external electric field, it weakly depends on the charge of the dust particle. The dipole moment reduces with the decrease of ion mean free path (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim) 相似文献
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The stability of orthotropic cylindrical casings containing a filler is studied under the action of axial compression, external pressure, or twisting. Analogies with plates are established for sufficiently stiff fillers. Simple formulas are obtained for calculating critical stresses which are convenient for practical application.Translated from Mekhanika Polimerov, No. 3, pp. 484–489, May–June, 1974. 相似文献
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Conclusions 1. An analysis has been made of the solution to the problem of the stability of multilayer cylindrical shells having a filler and simple calculation formulas have been obtained for determining the critical forces.2. The stability of fiberglass-plastic shells with rubber-like fillers has been studied experimentally.3. Comparative experimental-theoretical studies of critical forces have been made, and the stability coefficients have been ascertained for the shell class under consideration.Translated from Mekhanika Polimerov, No. 3, pp. 485–489, May–June, 1978. 相似文献
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A dimensionless criterion characterizing the effect of the Kapitza temperature jump has been obtained to describe thermal processes in nanofluids. 相似文献
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S. V. Sukhinin 《Journal of Applied Mechanics and Technical Physics》1998,39(2):228-238
Acoustic eigenoscillations of a gas near a plate in a rectangular channel, i.e., the eigenfrequency of oscillations as a function
of the chord length and the position of the plate in the channel, and the form of the eigenfunctions are studied in a two-dimensional
formulation. A mathematical model of eigenoscillations near a plate in a channel has been proposed and substantiated, and
the dependence of the eigenfrequency of oscillations on the geometric parameters is studied numerically with the use of this
model.
Lavrent'ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk 630090. Translated from
Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 39, No. 2, pp. 78–90, March–April, 1998. 相似文献
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The effect of gas non-ideality on the laminar-turbulent transition is studied experimentally as the flow in a long circular tube at room temperature. The gases SF6 and Ar, differing significantly in the value of the second virial coefficient, were chosen for this study. Experiments were carried out by varying the pressure at the tube inlet (the maximum pressure of 105 Pa) and at the tube outlet up to the chock flow (formation of a supersonic flow at the outlet). The difference between the critical Reynolds numbers in the flow of SF6 and Ar was found. The largest difference was observed for the maximum pressures; with a decrease in pressure, the critical Reynolds numbers become closer. The conclusion is an effect of the non-ideal character of gas exists on the laminar-turbulent transition in Hagen–Poiseuille flow. Some experiments were suggested to confirm this conclusion. 相似文献