6.3.1. Pressure Difference Calculation

Try these first

1. 1.

   Define Bernoulli's principle in your own words.

   Hint

   Think about the relationship between speed and pressure.

2. 2.

   What does a venturimeter do?

   Hint

   Consider the changes in diameter of the pipe.

3. 3.

   What principle relates pressure loss to increased fluid speed?

   • Pascal's Principle
   • Bernoulli’s Equation
   • Continuity Equation

   Hint

   Remember how Bernoulli's equation connects speed and pressure.

4. 4.

   True or False: A venturimeter can only measure incompressible fluid flow.

   • True
   • False

   Hint

   Think about the assumptions of fluid density in the venturi effect.

5. 5.

   Calculate the velocity of a fluid exiting through a circular orifice given a pressure difference of 5.0 kPa. Assume atmospheric pressure and a standard fluid density.

   Hint

   Rearrange the equation to isolate v.

6. 6.

   Design a system where you need to determine flow rate through a venturimeter linked to a tank at a specific height. Use Bernoulli's principle and fluid height differences to derive the equations.

   Hint

   Consider height differences affecting pressure as you apply Bernoulli’s equation.