free volume

free volume

[¦frē ′väl·yəm]
(statistical mechanics)
In a lattice theory of a dense gas or liquid, the volume of the cage in which a given molecule is free to wander when its nearest neighbors are fixed at their lattice positions.
References in periodicals archive ?
The combination of large free volume and high specific torque enables universal application of the ZE BluePower for compounding engineering plastics and even high filled formulations.
The volumes and the fractional free volume (FFV) of rubber materials affect the thermophysical properties [22].
The scientists found that xanthan gum lowered the free volume of the system.
Tundja itself in Sliven and near Yambol drastically lowers its level, Jrebchevo Dam has enough free volume and is far from overflowing, added Kirov.
[8], from the microstructural point of view, the incorporation of nanoparticles produces an interruption of the chitosan chains causing a decrease in the free volume of the system.
These cavities constitute the free volume of the polymer which controls structural properties such as the glass transition temperature [5].
In Part 1 we established that physical aging involves a change in the free volume within the amorphous regions of a polymer matrix.
Free volume (Vf): Free volume in terms of the ultrasonic velocity (u) and the viscosity of the liquid ([eta]) as
At the atomic level, a material's volume is the average sum of three components: (1) the space atoms physically take up, (2) interstitial volume between atoms associated with bonds or atomic packing, and finally, (3) voids or free volume (Figure 2).
Free volume is an important design parameter for any TSE and is directly related to the OD/ID ratio, which is defined by dividing the outer diameter (OD) by the inner diameter (ID) of each screw.
In the literature, such a process in a free volume combustion chamber is often called HCCI.
The flexible Baker Perkins die design and segmented agitator configuration - allowing quick product change-over - together with the high free volume agitator geometry also contribute to high outputs, even on low density materials such as bran and fine milled flours.