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Author : Allen Ross Bowman
Release : 2005
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Diagnostic Modeling of a Heat Recovery Steam Generator by : Allen Ross Bowman
Download or read book Diagnostic Modeling of a Heat Recovery Steam Generator written by Allen Ross Bowman. This book was released on 2005. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sylvain Girard
Release : 2014-07-26
Genre : Technology & Engineering
Kind : eBook
Book Rating : 215/5 ( reviews)
Book Synopsis Physical and Statistical Models for Steam Generator Clogging Diagnosis by : Sylvain Girard
Download or read book Physical and Statistical Models for Steam Generator Clogging Diagnosis written by Sylvain Girard. This book was released on 2014-07-26. Available in PDF, EPUB and Kindle. Book excerpt: Clogging of steam generators in nuclear power plants is a highly sensitive issue in terms of performance and safety and this book proposes a completely novel methodology for diagnosing this phenomenon. It demonstrates real-life industrial applications of this approach to French steam generators and applies the approach to operational data gathered from French nuclear power plants. The book presents a detailed review of in situ diagnosis techniques and assesses existing methodologies for clogging diagnosis, whilst examining their limitations. It also addresses numerical modelling of the dynamic behaviour of steam generators and provides a thorough analysis of statistical methods for sensitivity analysis and dimension reduction. Steam generators are heat exchangers found in nuclear power plants and over time they become increasingly clogged by iron oxides. This clogging then hampers the flow inside steam generators and compromises their mechanical integrity, which hinders performance and safety. This book is intended for nuclear safety specialists, nuclear performance engineers and researchers and postgraduate students working on heat exchanger modeling and computational engineering.
Author : Jose J. Chalarca Castro
Release : 2022
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Simulation of a Comprehensive Heat Recovery Steam Generator by : Jose J. Chalarca Castro
Download or read book Simulation of a Comprehensive Heat Recovery Steam Generator written by Jose J. Chalarca Castro. This book was released on 2022. Available in PDF, EPUB and Kindle. Book excerpt: With the increasing prevalence of renewables, it is important to optimize combined cycle power plants during transient conditions to better compliment the variable generation of renewable energy generators. There is a demand for dynamic heat recovery steam generators (HRSG) models that may enable improved control designs. Sufficiently accurate real-time simulations of HRSGs may serve as soft sensors and state estimators during transient conditions. Furthermore, real-time simulations of HRSGs can be used for operator training which does not incur the inherit risk of using plant hardware.
Author : Vernon L. Eriksen
Release : 2017-03-06
Genre : Technology & Engineering
Kind : eBook
Book Rating : 416/5 ( reviews)
Book Synopsis Heat Recovery Steam Generator Technology by : Vernon L. Eriksen
Download or read book Heat Recovery Steam Generator Technology written by Vernon L. Eriksen. This book was released on 2017-03-06. Available in PDF, EPUB and Kindle. Book excerpt: Heat Recovery Steam Generator Technology is the first fully comprehensive resource to provide readers with the fundamental information needed to understand HRSGs. The book's highly experienced editor has selected a number of key technical personnel to contribute to the book, also including burner and emission control device suppliers and qualified practicing engineers. In the introduction, various types of HRSGs are identified and discussed, along with their market share. The fundamental principles of the technology are covered, along with the various components and design specifics that should be considered. Its simple organization makes finding answers quick and easy. The text is fully supported by examples and case studies, and is illustrated by photographs of components and completed power plants to further increase knowledge and understanding of HRSG technology. Presents the fundamental principles and theories behind HRSG technology that is supported by practical design examples and illustrations Includes practical applications of combined cycle power plants and waste recovery that are both fully covered and supported by optimization throughout the book Helps readers do a better job of specifying, procuring, installing, operating, and maintaining HRSGs
Author :
Release : 2003
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Theoretical and Experimental Study of Degradation Monitoring of Steam Generators and Heat Exchangers by :
Download or read book Theoretical and Experimental Study of Degradation Monitoring of Steam Generators and Heat Exchangers written by . This book was released on 2003. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research is focused on the modeling, analysis, and experimental study of steam generator and heat exchanger degradation monitoring and fault diagnosis. Experimental and analytical studies of tube fouling are performed and the system-level degradations are monitored using data-driven modeling of heat exchanger measurements. Initially, a comprehensive literature study was made on the steam generator and heat exchanger degradation types and mechanisms, including fouling and corrosion. Based on the mass balance, energy balance, and momentum balance and the moving-boundary method, a multi-node SIMULINK model of a U-tube steam generator (UTSG) has been developed so as to simulate the UTSG dynamics or responses to various defects, including fouling. UTSG responses to different events, such as reduced heat transfer area, change in heat transfer coefficient at different axial nodes, change in tube material conductivity, and the change of steam valve coefficients have been simulated and studied using the SIMULINK model. A mathematical model is established and implemented in MATLAB based on a systematic literature review of steam generator and heat exchanger fouling. The fouling model and the UTSG SIMULINK model are both used to study the progression of tube fouling and the effects on UTSG thermal performance. The simulation results show the fidelity and validity of the developed models. The developed models can be used to predict the time behavior of UTSG thermal performance. This could provide guidance for plant maintenance planning. The simulation results of fouling and its effect on UTSG thermal performance are presented. Based on an existing heat exchanger laboratory system, an experimental study of the particulate fouling progression in a heat exchanger has been performed. The results show the particulate fouling in heat exchangers also exhibits an asymptotic behavior, and the model-based method for fouling monitoring and diagnosis is successful and efficient. Finally a theoretical heat exchanger model is developed and coded using MATLAB. This model is then used to generate data representative of normal conditions. With these normal data and the fouling data collected from the experimental loop, the Group Method of Data Handling (GMDH) method is then used to monitor and diagnose the fouling problem in the heat exchanger. The GMDH results show that the residuals of both hot-side and cold-side outlet temperatures follow the same pattern as the overall thermal resistance obtained from the experiment. Also, the UTSG SIMULINK model is used to generate data and the GMDH method is used to establish a data-driven model.
