نتایج جستجو برای: isothermal gas spheres equation
تعداد نتایج: 499852 فیلتر نتایج به سال:
This paper is concerned with the self-similar solutions to the compressible Navier-Stokes equations of a 1D viscous polytropic ideal gas. Our results show that there exist neither forward nor backward selfsimilar solutions with finite total energy, which generalizes the results for the case of the isothermal compressible Navier-Stokes equations in Z. Guo and S. Jiang (Self-similar solutions to ...
A precise experimental method for studying binary vapor-liquid equilibrium is to measure total pressure (P) as a function of the mole fraction in the liquid phase (2). The mole fraction in the vapor (y) is calculated from imthermal P-x experimental data using the Gibbs-Duhem equation. A similar procedure for adsorption is to measure total mass (m) of gas adsorbed as a function of the mole fract...
Gas reservoirs with low permeability (k<0.1 mD) are among the unconventional reservoirs and are commonly termed as "Tight Gas Reservoirs". In conventional gas reservoirs that have high permeability, the flow of gas is basically controlled by the reservoir permeability and it is calculated using the Darcy equation. In these reservoirs, gas flow due to gas diffusion is ignored compared to Dar...
VI. REACTION MoMErcr AND ELECTRIc-CI~-.MICAL MECHANISM 1. Reaction Moments from Dielectric Data 2. Permanent and Induced Dipole Moments (a) Individual dipole moments (b) Total polarization (i) Induced moment (ii) Permanent moment (c) Form factors and g-factors 3. Reaction Moment and Equilibrium Constant (a) Non-polar polarizable spheres (b) Polar non-polarizable spheres (c) Polar polarizable sp...
The discovery that the Universe has a vanishingly small global space curvature is usually interpreted as implying a large scale mean density of space close to the critical value. Since at low redshifts a substantial fraction of the matter is not homogeneously distributed, a frequently asked question is whether the propagation of light through this region of space still reflects the Euclidean ge...
Depletion-induced aggregation of rods enhanced by clustering is observed to produce a novel model of attractive pairs of rods separated by a line of spheres in a quasi-2D, vertically-shaken, granular gas of rods and spheres. We show that the stability of these peculiar granular aggregates increases as a function of shaking intensity. Velocity distributions of spheres inside and outside of a pai...
An understanding of the kinetics of the crystallization process is important for the selection of processing parameters such as mold temperature and hold time during injection molding. Differential scanning calorimetry (DSC), is an excellent tool for following the progress of crystallization. A popular method for obtaining kinetics data known as isothermal crystallization, is based on rapidly c...
In this paper, a thermo-hydrodynamic model of the bump foil thrust gas bearing is developed, which solves coupled film three-dimensional energy equation, non-isothermal Reynolds and deformation equation. The effects speed, load, external cooling on temperature field are calculated analyzed. test rig was built to measure under different working conditions. Both simulation experiment results show...
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