Structured to balance technical depth with practical insights, this book focuses on innovations in the thermal design of HRSG, thermodynamics, condensate or makeup water pre-heating within HRSG, vacuum deaeration, and off-design operating performance, tailored to diverse process and power plant needs. It offers a practical tool, a specialized nomogram for estimating fuel savings with direct steam use with HRSG or additional power from a steam turbine and FD fan auxiliary power consumption when fresh air firing is provided. It delves into the design challenges and solutions for enhanced heat recovery through innovative inline duct burners for supplementary firing in HRSG. It highlights unique design adaptations required for HRSG across various process industries, such as textiles, steel, oil refineries, and power plants. This book especially focuses on practical applications, troubleshooting, and integrated combined cycle system control, reflecting the author's extensive contributions to India's power and process infrastructure. This book also highlights the author’s pioneering work on automatic mode transfer from heat recovery mode to fresh air firing mode.
With a strong emphasis on efficient and cost-effective gas turbine and HRSG system engineering, this book is an indispensable resource for seasoned professionals and working engineers. It equips readers with the knowledge and tools needed in diverse industrial environments.
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K. Kuppuraj
This book, authored by K. Kuppuraj, is a comprehensive guide for engineers and designers in the energy sector. Drawing on decades of experience at M/s. Bharat Heavy Electricals Ltd. India, the author offers unmatched expertise in the design and advancements of gas turbines and Heat Recovery Steam Generators (HRSG) used in combined-cycle cogeneration and power plants. Notably, he served in the “Combined cycle research project,” playing the lead role in evolving gas turbine heat recovery systems. Moreover, he was a driving force behind India’s first gas turbine-based cogeneration plant, commissioned for M/s. ONGC at Uran in 1982. This landmark project introduced several industry firsts, including (1) an innovatively designed axial flow duct burner, (2) forced-draft-fan driven fresh-air firing mode, and (3) make-up water preheating within HRSG. These innovations were later implemented across diverse industries. It enabled automatic mode-transfer technology to achieve seamless transfer operation between gas turbine heat recovery and fresh-air firing modes to achieve uninterrupted plant steam demand. His contributions have been widely recognized in national seminars and international journals like Power Engineering, Hydrocarbon Processing, and Chemical Engineering.
