Bernoulli's Theorem || Fluid Mechanics || Mechanical Engineering fluid mechanics

#BERNOULLI’STHEOREM #FLUIDMECHANICS #MECHANICALENGINEERING
Bernoulli’s equation gives us a relationship between pressure and velocity of the fluid. Bernoulli’s equation can be derived from a basic energy balance equation making various assumptions. The different assumptions for Bernoulli’s equation are:
1. Negligible viscous forces
2. Continuous and perfect laminar flow.
3. No vortex formation.
4. Fluid has constant density.
According to Bernoulli’s principle at points along a horizontal streamline, higher pressure regions have lower fluid speed and lower pressure regions have higher fluid speed. This does not mean that a fast-moving fluid can't have significantly high pressures. It just says that the pressure in a slower region of that same flowing system must have even larger pressure than the faster-moving region. It simply states that the total mechanical energy of a flowing fluid which consists of potential, the gravitational and kinetic energy of fluid motion remains constant. It, therefore, implies that if fluid flows horizontally such that there is no change in gravitational potential energy then a decrease in fluid pressure is associated with an increase in fluid velocity. This means that fluid speeds up in constricted areas and exerts the least pressure there.
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