Overview

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This course provides a comprehensive understanding of regenerative feed heating and condenser systems as essential elements for improving the efficiency of steam power plants. It begins with the limitations of the Carnot cycle and introduces the Rankine cycle, addressing internal and external irreversibilities, mean temperature of heat addition, and systematic methods of efficiency improvement through regeneration and ideal regenerative heating. The course then focuses on practical regenerative heating, covering feedwater heaters, their advantages, impact on cycle efficiency, and optimization considerations. Detailed coverage includes the actual regenerative Rankine cycle, feedwater heater terminology, classification, working principles, and performance parameters such as Terminal Temperature Difference (TTD) and Drain Cooler Approach (DCA). Construction features, thermal design methodology, materials of construction, and applicable codes and standards are discussed along with extraction systems and turbine protection. The specialization further covers surface and air-cooled condensers, addressing design aspects, heat load calculations, performance curves, layout considerations, and practical case studies for real-world application.

Syllabus

Regenerative Feed Heating System
- This module provides a comprehensive understanding of regenerative feed heating systems used to improve the thermal efficiency of steam power plants. It covers the limitations of the Carnot cycle, the fundamentals of the Rankine cycle including internal and external irreversibility, methods of increasing cycle efficiency, and the concept of regeneration. The module explains practical regenerative heating, feedwater heaters, their advantages and impact on cycle efficiency, the actual regenerative Rankine cycle, and important feedwater heater terminologies and classifications. It also covers the working principles, construction, thermal design, material selection, applicable codes and standards, extraction steam systems, turbine protection, feedwater heater protection, and operational aspects of closed feedwater heaters.
Condenser
- This module provides detailed knowledge of steam turbine condensers and their role in maintaining efficient power plant operation. It covers condenser functions, technical characteristics, construction features, design aspects, thermal expansion considerations, and physical layout within the turbine-generator building. The module also explains condenser heat load calculations, cooling water requirements, condenser design methodologies, case studies, performance curves, and the operation of air-cooled condensers, including their functions, system descriptions, selection criteria, and major components.