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Which one of the following is the feature of pressure compounding (Rateaustaging)?
- a)Low efficiency at low rotational speeds
- b)High efficiency with low fluid velocities
- c)High efficiency with high fluid velocities
- d)Low efficiency at high rotational speeds
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which one of the following is the feature of pressure compounding (Rat...
Understanding Pressure Compounding (Rateau Staging)
Pressure compounding, commonly known as Rateau staging, is a technique used in steam turbines to enhance efficiency by leveraging the pressure drops across multiple stages. Here’s why option 'B' is correct.
Low Fluid Velocities and High Efficiency
- Pressure compounding is designed to operate efficiently at lower fluid velocities.
- In this method, the flow of steam or gas is expanded through several stages, allowing for a gradual reduction in pressure.
- This gradual expansion minimizes kinetic energy loss, leading to improved performance.
Benefits of Low Fluid Velocities
- Reduced Turbulence: At lower velocities, the flow remains more laminar, reducing turbulence and enhancing the efficiency of energy conversion.
- Optimal Blade Design: The design of blades in Rateau staging is optimized for lower velocities, allowing for better energy extraction from the working fluid.
- Increased Efficiency: Lower fluid velocities decrease friction and other losses, contributing to overall higher efficiency in energy conversion.
Conclusion
In summary, the correct option 'B' highlights that pressure compounding achieves high efficiency with low fluid velocities. This feature is particularly advantageous in mechanical engineering applications where maximizing energy output while minimizing losses is crucial.
Pressure compounding, commonly known as Rateau staging, is a technique used in steam turbines to enhance efficiency by leveraging the pressure drops across multiple stages. Here’s why option 'B' is correct.
Low Fluid Velocities and High Efficiency
- Pressure compounding is designed to operate efficiently at lower fluid velocities.
- In this method, the flow of steam or gas is expanded through several stages, allowing for a gradual reduction in pressure.
- This gradual expansion minimizes kinetic energy loss, leading to improved performance.
Benefits of Low Fluid Velocities
- Reduced Turbulence: At lower velocities, the flow remains more laminar, reducing turbulence and enhancing the efficiency of energy conversion.
- Optimal Blade Design: The design of blades in Rateau staging is optimized for lower velocities, allowing for better energy extraction from the working fluid.
- Increased Efficiency: Lower fluid velocities decrease friction and other losses, contributing to overall higher efficiency in energy conversion.
Conclusion
In summary, the correct option 'B' highlights that pressure compounding achieves high efficiency with low fluid velocities. This feature is particularly advantageous in mechanical engineering applications where maximizing energy output while minimizing losses is crucial.
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Community Answer
Which one of the following is the feature of pressure compounding (Rat...
Pressure compounding (Rateau staging) involves dividing the total pressure drop of the steam across multiple stages of nozzles and blades. This results in lower steam velocities at each stage, which helps in achieving high efficiency at relatively low fluid velocities. By controlling the velocity and reducing pressure in stages, the turbine can extract energy more efficiently from the steam without the need for excessively high steam velocities, which would otherwise lead to energy losses and inefficiencies.
Thus, high efficiency with low fluid velocities is the key feature of pressure compounding in Rateau staging.
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Which one of the following is the feature of pressure compounding (Rateaustaging)?a)Low efficiency at low rotational speedsb)High efficiency with low fluid velocitiesc)High efficiency with high fluid velocitiesd)Low efficiency at high rotational speedsCorrect answer is option 'B'. Can you explain this answer?
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