Numerical of Reaction Turbine - Hydraulic Turbines - Applied Hydraulics

TL;DR

A numerical problem is solved to determine the discharge and width of a reaction turbine based on given dimensions and flow velocity.

Transcript

hello students today we are going to study numerical of reaction turbine now question is written as an invert flow reaction turbine has external and internal diameter as 1 meter and 0.5 meter respectively the velocity of flow through the runner is constant and is equal to 1.5 meter per second now we have to determine the discharge to the runner and... Read More

Key Insights

• 💐 A reaction turbine is analyzed based on given dimensions and flow velocity.
• 🇵🇲 The discharge to the runner is determined using the equation q = pi * d1 * b1 * vf1.
• ❓ The width of the turbine at the outlet is calculated as b2 = (d1 * b1) / d2.
• 🤒 The conversion of units from millimeters to meters is necessary for accurate calculations.
• 💐 The given dimensions and flow velocity are crucial in determining the performance of the turbine.
• ❓ The relationship between the external and internal diameters and the widths at the inlet and outlet is established.
• 😒 The use of equations simplifies the calculation process.

Questions & Answers

Q: What are the given dimensions of the reaction turbine?

The external diameter is 1 meter, the internal diameter is 0.5 meters, and the width at the inlet is 200 mm.

Q: What is the velocity of flow through the runner?

The velocity of flow through the runner is constant and equal to 1.5 meters per second.

Q: How is the discharge to the runner calculated?

The discharge to the runner can be calculated using the equation q = pi * d1 * b1 * vf1, where d1 is the external diameter, b1 is the width at the inlet, and vf1 is the velocity of flow at the inlet.

Q: What is the width of the turbine at the outlet?

The width of the turbine at the outlet (b2) can be determined using the equation b2 = (d1 * b1) / d2, where d2 is the internal diameter.

Summary & Key Takeaways

• The problem involves an inverted flow reaction turbine with an external diameter of 1 meter and an internal diameter of 0.5 meters.

• The flow velocity through the runner is constant at 1.5 meters per second.

• The width of the turbine at the inlet is given as 200 mm, which is converted to 0.20 meters.