Posted inAdvanced Concepts
Dynamical similarity of ideal gas flows
The non-linear nature of Euler’s equation may cause serious mathematical difficulties when solving a problem…
Posted inAdvanced Concepts
Small perturbations at the speed of sound
In a great number of engineering problems one is interested in the perturbation of a…
Posted inAdvanced Concepts
The Vazsonyi-Crocco equation
Now we shall determine the relationships between the kinematic and thermal variables for an ideal…
Posted inBasics
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…
Posted inBasics
Kelvin’s vortex theorem
As it is known, circulation around any closed curve in the fluid is defined by…
Posted inBasics
Simple applications of the Bernoulli equation
There is a rather large range of problems in fluid mechanics to which the perfect…
Posted inBasics
The Bernoulli equation
The Bernoulli equation is the first line integral of the equation of motion. The equation…
Posted inBasics
The perfect fluid
The fundamental property which distinguishes a fluid from other continuous media is that it cannot…