Volume geometric

Porosity of a separator is defined as the ratio of void volume to apparent geometric volume. High porosity is desirable for unhindered ionic current flow. 

The topological transformations in an incompatible blend can be described by the dynamic phase diagram that is usually determined experimentally at a constant shear rate. For equal viscosities, a bicontinuous morphology is observed within a broad interval of the volume fractions. When the viscosity ratio increases, the bicontinuous region of the phase diagram shrinks. At large viscosity ratios, the droplets of a more viscous component in a continuous matrix of a less viscous component are observed practically for all allowed geometrically volume fractions. 

Where (pm is the maximum concentration at which flow is possible -above this solid-like behaviour will occur. q>/(pm is the volume effectively occupied by particles in unit volume of the suspension and therefore is not just the geometric volume but is the excluded volume. This is an important point that will have increasing relevance later. Now integration of Equation (3.53) with the boundary condition that as... 

Note The excluded volume of a segment depends on the Gibbs and Helmholtz energies of mixing of solvent and polymer, i.e., on the thermodynamic quality of the solvent, and is not a measure of the geometrical volume of that segment. 

The pellets leave a fraction e unoccupied as they pack into the reactor so the fraction 1 — is occupied by the catalyst. The pellet is usually porous, and there is fluid (void space) both between catalyst pellets and within pellets. We measure the rate per unit area of pellet of assumed geometrical volume of pellet so we count only the void fraction external to the pellet. 

D=mass diffumsion coefficient Z)T=fiiermal diffusion coefficient /=friction coefficient G=(oh (centrifugal acceleration) / =Boltzniann constant meff=particle effective mass r=radius of centrifuge basket s=sedimentation coefficient T = absolute temperature =geometric volume of die channel w=channel thickness y=diermal expansion coefficient p=electrophoretic... 

Because mass and volume are directly related, with p as the constant of proportionality, th expression for the geometric volume mean diameter, Dg /, is the same as that for DgM given in Eq. (H). ... 

Bhattacharjee, S., and P. Dasgupta, Molecular Property Correlation in Haloethanes with Geometric Volume. Comput. Chem., 1992 16, 223-228. 

Geometric Volume-Molar Refraction Relationships Similar to the van der... 

Waals volume-molar refraction approach, Bhattachaijee and Dasgupta [16] studied correlations between R d and the geometric volume for alkanes and haloalkanes. For alkanes (Ci-Cs), the following equation has been reported ... 

Geometric Volume- Boiling Point Relationships Bhattacharjee and Dasgupta [12,13] introduced the geometric volume, Vg, as molecular descriptor for alkanes, halomethanes, and haloethanes. A bilinear relationship has been reported for alkanes... 

Bhattachaijee, S., Haloethanes, Geometric Volume and Atomic Contribution Method. Comput. Chem., 1994 18, 419-429. 

The Thiele moduli for the cylinder and sphere differ from that for the slab. In the case of the slab we recall that = XL, whereas for the cylinder it is conveniently defined as 0 = Xr0/2 and for the sphere as = Xro/3. In each case the reciprocal of this corresponds to the respective asymptote for the curve representing the slab, cylinder or sphere. We may note here that the ratio of the geometric volume V p of each of the models to the external surface area Sx is L for the slab, ro/2 for the cylinder and ro/3 for the sphere. Thus, if the Thiele modulus is defined as ... 

Therefore, the first way to maximise MAOP is to have the deepest possible caverns, which is unfortunately not always possible for geological reasons. It is also not always desirable because of loss in geometric volume through creep which increases quickly with depth above all below a depth of 1,000 m and which is very perceptible within certain time steps (see before). 

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