viscous flow वाक्य
उदाहरण वाक्य
मोबाइल
- Viscous flows are governed by the Navier-Stokes equations which must satisfy the stricter boundary condition that flow is stationary both normal and tangential to a solid surface.
- The Orr Sommerfeld equation introduced later, for the study of stability of parallel viscous flow reduces to Rayleigh's equation when the viscosity is zero.
- The applied isostatic pressure provides additional driving force for densification by substantially increasing the atomic diffusion coefficients, which promotes additional viscous flow at or near grain boundaries and intergranular pores.
- Using the Oseen equation, Horace Lamb was able to derive improved expressions for the viscous flow around a sphere in 1911, improving on Stokes law towards somewhat higher Reynolds numbers.
- The discrepancy between the work of Newton, Mariotte, and Huygens, and Galileo's earlier work was not resolved until advances in viscous flow theory in the 20th century.
- The no-slip condition poses a problem in viscous flow theory at angle the contact line makes with the solid boundary, but the mechanism behind this is not yet fully understood.
- His technique combined the movement of his body, over which he had control, the viscous flow of paint, the force of gravity, and the absorption of paint into the canvas.
- Computational Fluid Dynamics ( CFD ) has contributed to substantial improvements in the performance and efficiency of Gas Turbine engine components through enhanced understanding of the complex viscous flow and heat transfer phenomena involved.
- A formal mathematical proof is lacking, and difficult to provide, as in so many other fluid-flow problems involving the Navier Stokes equations ( which are used to describe viscous flow ).
- A "'rheid "'is a non-molten solid that deforms by viscous flow at least a thousand times faster than it would deform elastically under the same applied stress.
- Ragan et al . ( 1972 ) argue that a number of the structures cited by Schmincke et al . ( 1967 ) as evidence for late stage primary viscous flow are compatible with compaction structures.
- The ability of liquids to " heal " internal defects via viscous flow is one of the reasons why some fibrous materials ( e . g ., paper or fabric ) increase their apparent transparency when wetted.
- The thickness of the velocity boundary layer is normally defined as the distance from the solid body at which the viscous flow velocity is 99 % of the freestream velocity ( the surface velocity of an inviscid flow ).
- The problem of flow past a circular cylinder has continued to generate tremendous interest amongst researchers working in CFD mainly because it displays almost all the fluid mechanical phenomena for incompressible, viscous flows in the simplest of geometrical settings.
- Therefore, to calculate net forces on bodies ( such as wings ), viscous flow equations must be used : inviscid flow theory fails to predict drag forces, a limitation known as the d'Alembert's paradox.
- The innovation of the Hele-Shaw clutch is that it does not operate by friction, as for most other clutches, but rather by the viscous flow behaviour that Professor Hele-Shaw had made such a study of.
- Ragan et al . ( 1972 ) also suggest that any viscous flow of the deposit must occur post compaction as the Wagontire Mountain tuff shows evidence of late stage viscous flow but has a foliation almost identical to the Bishops Tuff.
- Ragan et al . ( 1972 ) also suggest that any viscous flow of the deposit must occur post compaction as the Wagontire Mountain tuff shows evidence of late stage viscous flow but has a foliation almost identical to the Bishops Tuff.
- The ability of a condensed body to respond to a mechanical force by viscous flow is thus strongly dependent on the time scale over which the load is applied, and thus the frequency and amplitude of the stress wave in oscillatory experiments.
- In 1843 he published the correct derivation of the Navier Stokes equations for a viscous flow and was the first to " properly identify the coefficient of viscosity and its role as a multiplying factor for the velocity gradients in the flow ".
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