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CONSERVATION OF MECHANICAL ENERGY

Learn the fundamentals of conservation of mechanical energy in fluid flow, utilizing the Bernoulli equation to analyze various applications such as flow measurement and solving flow problems. Discover how potential, kinetic, and flow energies remain constant in frictionless flow scenarios.

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CONSERVATION OF MECHANICAL ENERGY

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  1. CONSERVATION OF MECHANICAL ENERGY • FRICTIONLESS FLOW ALONG A STREAMLINE • MECHANICAL ENERGY BALANCE ON A UNIT MASS OF FLUID • POTENTIAL ENERGY • KINETIC ENERGY • FLOW ENERGY T W DAVIES

  2. THE BERNOULLI EQUATION • THE SUM OF THE THREE FORMS OF MECHANICAL ENERGY PER UNIT MASS REMAINS CONSTANT IN A FRICTIONLESS FLOW p +  u2/2 +  gy = constant • p/ ( g) + u2/2g + y = constant • p/ + u2/2 + gy = constant T W DAVIES

  3. BERNOULLI APPLICATIONS • FLOW MEASUREMENT • PITOT TUBE (POINT VELOCITY) • VENTURI METER (flow rate in a pipe) • ORIFICE PLATE (flow rate in a pipe) • OPEN CHANNELS, WEIR FLOW (flow rate) T W DAVIES

  4. BERNOULLI APPLICATIONS • SOLUTION OF FLOW PROBLEMS • Example - THE SIPHON • Example - THE FOUNTAIN T W DAVIES

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