Consider the following statement pertaining to the features...

Name: Problem 15, Chapter 4: Thermal Engineering
Uploaded: 2021-12-03T17:40:38-08:00
Duration: 1 min 15 s
Channel: Hunza Gilgit
Description: Consider the following statement pertaining to the features of regenerative steam cycle plant as compared to a non-regenerative plant: I. It increases the cycle efficiency. II. It requires a bigger boiler. III. It requires a smaller condenser. Which of the statements are correct? (a) I, II, and III (b) I and II (c) II and III (d) I and III

Consider the following statement pertaining to the features of regenerative steam cycle plant as compared to a non-regenerative plant: I. It increases the cycle efficiency. II. It requires a bigger boiler. III. It requires a smaller condenser. Which of the statements are correct? (a) I, II, and III (b) I and II (c) II and III (d) I and III

Consider the following statement pertaining to the features of regenerative steam cycle plant as compared to a non-regenerative plant:
I. It increases the cycle efficiency.
II. It requires a bigger boiler.
III. It requires a smaller condenser. Which of the statements are correct?
(a) I, II, and III
(b) I and II
(c) II and III
(d) I and III

Key Concepts

Regenerative Steam Cycle

A regenerative steam cycle involves using steam extracted from various stages of the turbine to preheat the feedwater before it enters the boiler. This process recovers energy from the exhaust steam and increases the thermal efficiency of the plant by reducing the fuel needed for raising the water to the desired temperature. It is a common technique in power plant engineering to improve overall performance.

Cycle Efficiency

Cycle efficiency in a steam power plant is a measure of how effectively the plant converts the energy contained in the fuel into useful work or electricity. Enhancing cycle efficiency is one of the main objectives in thermal power plant design and operation because higher efficiencies lead to better fuel utilization and reduced emissions. The regenerative process plays a key role in boosting this efficiency.

Boiler Design Considerations

In steam power plant design, the boiler is a critical component responsible for generating steam by transferring heat to water. When regeneration is applied, modifications in the boiler design may be required to manage the changes in mass flow and heat transfer demands. This can result in a need for a larger or more complex boiler system to accommodate the preheated water and the overall process integration.

Condenser Design Considerations

The condenser in a steam power plant serves to convert exhaust steam from the turbine into liquid water, which is then recycled in the cycle. In a regenerative cycle, since the feedwater is preheated and less energy is rejected in the condenser, the amount of heat that needs to be removed decreases. This can lead to a reduction in the required size or capacity of the condenser, which is an important design consideration for overall plant efficiency.

Please give Ace some feedback