Bernoulli's equation is a fundamental equation in fluid dynamics that relates the pressure, velocity, and elevation of a fluid along a streamline. It states that the total energy of a fluid system remains constant. To find the speed of fluid using Bernoulli's equation, we equate the total energy at two different points along a streamline and solve for the unknown velocity.
Bernoulli's equation assumes that the fluid is incompressible, inviscid, and irrotational. In other words, the fluid has a constant density, there is no friction between fluid layers, and the fluid particles do not rotate as they flow along a streamline.
Bernoulli's equation is used to understand the flow of fluids in pipes, airfoils, and other systems. It is commonly used in the design of aircraft wings, turbines, and pumps. It is also used to explain phenomena such as lift and drag forces.
No, Bernoulli's equation is only applicable to ideal fluids that follow the assumptions mentioned earlier. Real fluids, such as gases, have additional factors that need to be considered, such as compressibility and viscosity.
Bernoulli's equation is based on ideal conditions and does not take into account factors such as turbulence, boundary effects, and energy losses due to friction. It is also only applicable along a streamline, so it cannot be used to determine the overall flow behavior of a fluid system.