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Related to Viscous Force: Reynolds number, Inertial force, inertia force
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As explained earlier, owing to the competition between inertial and viscous forces, changing of the four modes is consistent with the increasing of Re.
Mode B occurs at an intermediate Re where the opposing inertial and viscous forces are roughly the same, and the steady upstream and downstream menisci are formed at approximately the same time.
The difference between vertical and horizontal slot coating can be demonstrated by plotting the wet thickness against the Stokes number (St), which is the ratio of gravitational to viscous forces, or the ratio Reynolds to Froude numbers.
This may well be the case for oyster eggs, although their movement within the capillary in this experiment, given their diameter of approximately 50 [micro]m, is limited by viscous forces.
4], indicating a large dominance of viscous forces over inertial forces.
It is thus possible to scale the data using a Marangoni number (Ma) which represents the ratio of interfacial tension gradient forces over viscous forces.
One important conclusion from the results presented is that deformation of a falling non-Newtonian surfactant covered drop in a Newtonian liquid is mainly controlled by interfacial tension and viscous forces and that inertia and shear-thinning effects are negligible.
At high enough velocity, the particles follow the fluid with some segregation at the bottom due to gravity until a homogeneous flow condition is reached when the gravitational forces are insignificant compared to the viscous forces.
In this work, the frictional and viscous forces associated with solids conveying and melting of the polymer are reported in terms of shear stresses at four sliding velocities, and at temperatures ranging from ambient temperature to 230[degrees]C.
This temperature is close to the melting peak temperature of LDPE resin, which is 111[degrees]C, and below this temperature the shear stress is controlled by solid state (frictional) forces whereas viscous forces control the shear stress at temperatures higher than the melting temperature.
The growth of the bubble is assumed to be controlled by both mass transfer and viscous forces.
If we assume a Newtonian fluid where the viscous forces are much larger than the inertia effects, the momentum balance of a typical mixing problem reduces to