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Pelton Wheel Video Lecture | Thermodynamics - Mechanical Engineering

FAQs on Pelton Wheel Video Lecture - Thermodynamics - Mechanical Engineering

1. What is a Pelton Wheel?

Ans. A Pelton Wheel is a type of water turbine used for converting the energy of flowing water into mechanical energy. It is commonly used in hydroelectric power plants to generate electricity.

2. How does a Pelton Wheel work?

Ans. A Pelton Wheel works by directing a high-velocity jet of water onto the blades of the wheel. The water jet strikes the blades at a tangent, causing the wheel to rotate. The kinetic energy of the water is converted into rotational mechanical energy, which can then be used to drive a generator.

3. What are the advantages of using a Pelton Wheel?

Ans. Some advantages of using a Pelton Wheel include high efficiency, especially for high head applications, and the ability to operate under varying load conditions. It is also relatively simple in design, easy to maintain, and has a long operational life.

4. What are the limitations of a Pelton Wheel?

Ans. One limitation of a Pelton Wheel is that it requires a high head of water to operate efficiently. It may not be suitable for low head applications. Additionally, it is sensitive to changes in flow rate and may not perform optimally under varying water flow conditions.

5. How can the efficiency of a Pelton Wheel be improved?

Ans. The efficiency of a Pelton Wheel can be improved by optimizing the design of the wheel and nozzle, ensuring smooth flow of water without any turbulence, and reducing losses due to friction. Regular maintenance and cleaning of the wheel and nozzle are also important to maintain efficiency.

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Oct 03, 2025 Last updated

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