fluid mechanics 2 min read
Equation of momentum
A flying baseball can simply be caught with a glove. A moving automobile, however, is difficult to stop in a…
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Rotational motion
Let us study the height of the water surface in the case where a cylindrical vessel filled with liquid is…
fluid mechanics 1 min read
Equiaccelerated straight-line motion
Suppose that a vessel filled with liquid is moving in a straight line at constant acceleration on the horizontal level…
fluid mechanics 1 min read
Force to tear a cylinder
Force to tear a cylinder (3.28) In the case of a thin cylinder where the inside pressure is acting outward,…
fluid mechanics 1 min read
Compressibility
As shown in Fig. 2.9, assume that fluid of volume V at pressure p decreased its volume by AV due…
fluid mechanics 1 min read
Absolute system of units
MKS system of units This is the system of units where the metre (m) is used for the unit of…
fluid mechanics 2 min read
Characteristics of a fluid
Fluids are divided into liquids and gases. A liquid is hard to compress and as in the ancient saying ‘Water…
fluid mechanics 3 min read
Stability
Floating or submerged bodies such as boats, ships etc. are sometime acted upon by certain external forces. Some of the…
fluid mechanics 2 min read
Hydrostatic force on submerged surfaces
Designing of any hydraulic structure, which retains a significant amount of liquid, needs to calculate the total force caused by…
fluid mechanics 2 min read
Manometers: Pressure Measuring Devices
Manometers are simple devices that employ liquid columns for measuring pressure difference between two points. In Figure(L 8.1), some of…
fluid mechanics 1 min read
Basic equations of fluid statics
An equation representing pressure field P = P (x, y, z) within fluid at rest is derived in this section.…
fluid mechanics 1 min read
System and control volume
A system refers to a fixed, identifiable quantity of mass which is separated from its surrounding by its boundaries. The…