In case of a Medium runner, tan (α1) CANNOT be given by (α1 = Guide vane angle at inlet)?

Related MCQs

• The whirl velocity of water at the inlet of the Kaplan turbine is 15 m/s. The velocity of water at inlet of the turbine is 20 m/s. Find the guide vane angle at inlet (In degrees).
• Which of the following runner types will have the highest vane angle at inlet (β1 value)?
• Volume flow rate of water in a Francis turbine runner is 25 m3/s. The flow velocity, whirl velocity and blade velocity are 11 m/s, 10 m/s and 5 m/s respectively, all values given at runner inlet. Find the power developed by the turbine.
• In the inlet velocity triangle of a Kaplan turbine, α1 = 45o. The velocity of flow at inlet = 10 m/s. Find the whirl velocity of water at the inlet of Kaplan turbine?
• Number of buckets on runner of Pelton wheel is given by expression? (D-diameter of runner and d- diameter of jet)
• Water flow velocity is given 10 m/s. The runner diameter is 3 m and the width of the wheel is 25 cm. Find the mass of water (kg) flowing across the runner per second.
• In Pelton wheel, relative inlet velocity of jet with respect to velocity of vane is
• In Pelton turbines the expression for power delivered at inlet to runner is given by
• is ratio of pressure energy change inside runner to total energy change inside runner
• is defined as ratio between power delivered to runner and power supplied at inlet of turbine.