Sage-Tips

What can be said about the velocity of a fluid when the horizontal pipe it flows through Narrows?

The water flows through the hose and when it reaches the narrower nozzle, the velocity of the water increases. Speed increases when cross-sectional area decreases, and speed decreases when cross-sectional area increases.

What will happen to the pressure of a liquid in a pipe when the velocity of a fluid increases?

Neglecting any special cases and generally speaking, when the velocity of a fluid increases the pressure decreases (Bernoulli’s principle).

What would happen to the speed of the liquid flowing in a pipe when it enters a constriction?

When does Bernoulli’s equation apply?

You should only use Bernoulli’s equation when ALL of the following are true: Along a Streamline – Bernoulli’s equation can only be used along a streamline, meaning only between points on the SAME streamline. mixed jets, pumps, motors, and other areas where the fluid is turbulent or mixing.

When does Bernoulli’s equation not apply?

Bernoulli developed his principle from his observations on liquids, and his equation is applicable only to incompressible fluids, and steady compressible fluids up to approximately Mach number 0.3.

What are the assumptions of the Bernoulli equation?

For Bernoulli’s equation to be applied, the following assumptions must be met: The flow must be steady. (Velocity, pressure and density cannot change at any point). The flow must be incompressible – even when the pressure varies, the density must remain constant along the streamline.

What is the relationship between Orificemeter diameter and pipe diameter?

The diameter of orifice is generally 0.5 times the diameter of the pipe (D), although it may vary from 0.4 to 0.8 times the pipe diameter.

When can we apply Bernoulli’s equation?

Bernoulli’s equation can be applied when syphoning fluid between two reservoirs. Another useful application of the Bernoulli equation is in the derivation of Torricelli’s law for flow out of a sharp edged hole in a reservoir.

What is Bernoulli’s principle used for?

Bernoulli’s principle relates the pressure of a fluid to its elevation and its speed. Bernoulli’s equation can be used to approximate these parameters in water, air or any fluid that has very low viscosity.

When is Bernoulli’s equation not applied?

Explanation: Bernoulli’s equation is applicable only for inviscid and incompressible flow because in inviscid flow, the viscosity is zero and hence no viscous forces acts on the body also incompressible flow means the density remains constant.