Posted inBasics
The balance of momentum
Newton’s second law of motion is perhaps the most important statement in the field of…
Posted inBasics
The transport theorem
The material derivative of a volume integral over a volume of flowing fluid
Posted inBasics
Relationships between the acceleration- and the vorticity fields
Important relationships can be obtained for the fluid flow by examining some of the obvious…
Posted inBasics
Rotational motion, vorticity field
In order to illustrate this concept, we consider a typical fluid element of certain volume…
Posted inBasics
Motion of an infinitesimal fluid particle
Imagine an infinitesimal rectangular fluid particle of fixed identity in a flowing fluid. Its sides…
Posted inBasics
The acceleration field
The acceleration is the rate of change of the velocity experienced by a moving particle.…
Posted inBasics
The velocity field
In contrast to the Lagrangian description, the Eulerian treatment does not trace individual particles in…
Posted inBasics
Eulerian and Lagrangian description of fluid motion
Fluid flow is the characteristic form of motion of fluid continua, an intuitive mechanical concept…
Posted inBasics
FLOW PROPERTIES OF FLUIDS
The fluid state It is an everyday experience that all matter exists in either the…