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5. The Bernoulli Equation - Learn

CREST Foundation Studies Fundamentals of Fluid Mechanics 5. The Bernoulli Equation [This material relates predominantly to modules ELP034, ELP035] Work and Energy Bernoulli s Equation An example of the use of Bernoulli s Equation Pressure head, velocity head, potential head and total head Losses due to friction Work and energy We know that if we drop a ball it accelerates downward with an acceleration (neglecting the frictional resistance due to air). We can calculate the speed of the ball after falling a distance h by the formula (a = g and s = h).

Now apply this to this example: A reservoir of water has the surface at 310m above the outlet nozzle of a pipe with diameter 15mm. What is the a) velocity, b) the discharge out of the nozzle and c) mass flow rate. (Neglect all friction in the nozzle and the pipe). 3 .

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