fluid mechanics 3 min read
Vapour Pressure
Since the molecules of a liquid are in constant motion, some of the molecules in the surface layer having sufficient…
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Capillarity
If a thin tube, open at the both ends, is inserted vertically in to a liquid, which wets the tube,…
fluid mechanics 3 min read
Non – Newtonian fluids
Fluids in which shear stress is not linearly related to the rate of shear strain are non– Newtonian fluids. Examples…
fluid mechanics 1 min read
Newton ‘s Viscosity Law
Sir Isaac Newton conducted many experimental studies on various fluids to determine relationship between shear stress and the shear strain…
fluid mechanics 1 min read
Viscosity
In section L1 definition of a fluid says that under the action of a shear stress a fluid continuously deforms,…
fluid mechanics 1 min read
Properties of fluid
Some of the basic properties of fluids are discussed below- Density : As we stated earlier the density of a…
fluid mechanics 2 min read
Fluid as a continuum
In the definition of the fluid the molecular structure of the fluid was not mentioned. As we know the fluids…
fluid mechanics 4 min read
Surface tension of liquids
Surface tension of liquids is the many hydrostatic phenomena in which the surface tension of liquids plays a role, the…
fluid mechanics 4 min read
Archimedes’ principle
Consider now a cube of side d totally immersed in liquid with its top and bottom faces horizontal. The pressure…
fluid mechanics 3 min read
Differential manometers
The simplest such instrument is a U-tube containing liquid, as shown in Figure 1A. The two pressures of interest, p1…
fluid mechanics 1 min read
Hydrostatics
It is common knowledge that the pressure of the atmosphere (about 105 newtons per square metre) is due to the…
fluid mechanics 6 min read
Basic Properties Of Fluids
Fluids are not strictly continuous media in the way that all the successors of Euler and Bernoulli have assumed, for…