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petroleum and human society
introduction:
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Kinematics of motion of singular surfaces: the speed of displacement
To determine the speed of displacement of a moving singular surface consider a surface as…
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Shock surfaces
It is a rather common phenomenon that abrupt changes occur at the bounding surface of…
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High velocity gas flow in pipes with friction
The following discussion deals with the case of a relative high velocity gas flow through…
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Variation in area for isentropic flow
In many engineering devices used in the natural gas industry, the flow of a gas…
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Critical flow variables
For compressible flows two regions of different behavior can be recognized depending on the Mach…
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The law of conservation of energy for perfect fluid flow
It was previously shown, that the Bernoulli equation expresses the conservation of mechanical energy for…
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Kelvin’s vortex theorem
As it is known, circulation around any closed curve in the fluid is defined by…
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Simple applications of the Bernoulli equation
There is a rather large range of problems in fluid mechanics to which the perfect…
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The Bernoulli equation
The Bernoulli equation is the first line integral of the equation of motion. The equation…