: LO 5 [Describe and analyses different types of radial and axial flow turbines.] Objective The objective of this experiment is to test the Francis turbine at different

: LO 5 [Describe and analyses different types of radial and axial flow turbines.] Objective The objective of this experiment is to test the Francis turbine at different loads and guide vane settings and produce curves that show the turbine performance and the effect of different guide vane settings Introduction: Turbines are subdivided into impulse and reaction machines. In the impulse turbines, the total head available is converted into the kinetic energy. This is usually accomplished in one or more nozzles. In the reaction turbines, only some part of the available total head of the fluid is converted into kinetic energy so that the fluid entering the runner has pressure energy as well as kinetic energy. The pressure energy is then converted into kinetic energy in the runner. The Francis turbine is a type of reaction turbine that was developed by James B. Francis. Francis turbines are the most common water turbine in use today Device design the schematic diagram of the turbine unit and the main components are shown in Figure below Notation Units rpm Symbol Description N Rotational speed of the turbine PhHydraulic power Pm Mechanical power Hydraulic efficiency Pressure Qv Volume flow m2/s us /n A Left s balance readin B Right spring balance reading F Force


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