Search results
Results from the WOW.Com Content Network
Void content in composites is represented as a ratio, also called void ratio, where the volume of voids, solid material, and bulk volume are taken into account.Void ratio can be calculated by the formula below where e is the void ratio of the composite, V v is the volume of the voids, and V t is the volume of the bulk material.
Internal erosion is the formation of voids within a soil caused by the removal of material by seepage. [1] It is the second most common cause of failure in levees and one of the leading causes of failures in earth dams, [2] responsible for about half of embankment dam failures.
where is the void ratio, is the porosity, V V is the volume of void-space (gases and liquids), V S is the volume of solids, and V T is the total (or bulk) volume. This figure is relevant in composites , in mining (particular with regard to the properties of tailings ), and in soil science .
The coefficient of permeability varies with the void ratio as e/sup>/(1+e). For a given soil, the greater the void ratio, the higher the value of the coefficient of permeability. Here 'e' is the void ratio. Based on other concepts it has been established that the permeability of a soil varies as e 2 or e 3 /(1+e). Whatever may be the exact ...
When the cavities grow and becomes larger in size in the orifice or venturi structures, developed flow is recorded. The most intense cavitating flow is known as supercavitation where theoretically all the nozzle area of an orifice is filled with gas bubbles. This flow regime corresponds to the lowest cavitation number in a system.
The voids are usually placed in a grid-like arrangement, temporarily supported by a framework which is eventually enveloped in concrete. [7] This framework has been implemented in various ways, but the most efficient method uses a steel mesh in order to reduce material use and create an optimal geometric proportion between concrete ...
Spiritual Meaning of a Void of Course Moon In this realm, the moon travels "in the emptiness" as it does not cross aspect with any other celestial force. Everything becomes hazy; matters stand still.
Couette flow – Model of viscous fluid flow between two surfaces moving relative to each other; Effusive limit; Free molecular flow – Gas flow with a relatively large mean free molecular path; Incompressible flow – Fluid flow in which density remains constant; Inviscid flow – Flow of fluids with zero viscosity (superfluids)