Relevant bibliographies by topics / Heat recovery steam generator (HRSG)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Heat recovery steam generator (HRSG)'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Heat recovery steam generator (HRSG)"

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Walter, Heimo, and Wladimir Linzer. "Flow Stability of Heat Recovery Steam Generators." Journal of Engineering for Gas Turbines and Power 128, no. 4 (March 1, 2004): 840–48. http://dx.doi.org/10.1115/1.2179469.

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This paper presents the results of theoretical flow stability analyses of two different types of natural circulation heat recovery steam generators (HRSG)—a two-drum steam generator—and a HRSG with a horizontal tube bank. The investigation shows the influence of the boiler geometry on the flow stability of the steam generators. For the two-drum boiler, the steady-state instability, namely, a reversed flow, is analyzed. Initial results of the investigation for the HRSG with a horizontal tube bank are also presented. In this case, the dynamic flow instability of density wave oscillations is analyzed.
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Kaviri, Ganjeh, M. N. Mohd Jafar, and M. L. Tholudin. "Modeling and Optimization of Heat Recovery Heat Exchanger." Applied Mechanics and Materials 110-116 (October 2011): 2448–52. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.2448.

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The Combined Cycle Power Plants (CCPPs) are attractive in power generation field due to their higher thermal efficiency than individual steam or gas turbine cycles. Therefore thermo optimal design of Heat Recovery Steam Generator (HRSG) in CCPPs is an important subject due to the increasing the fuel prices and decreasing the fossil fuel resources. In this paper the heat recovery steam generator (HRSG) with typical geometry and number of pressure levels used at CCPPs in Iran is modeled. Then the optimal design of HRSG operating parameters was performed by defining an objective function and applying Generic algorithm optimization method. The total cost per unit of produced steam exergy was defined as the objective function. The objective function included capital or investment cost, operational cost, and the corresponding cost of the exergy destruction was minimized while satisfying a group of constraints.
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Feng, Hong Cui, Wei Zhong, Yan Ling Wu, and Shui Guang Tong. "The Effects of Parameters on HRSG Thermodynamic Performance." Advanced Materials Research 774-776 (September 2013): 383–92. http://dx.doi.org/10.4028/www.scientific.net/amr.774-776.383.

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Changes of inlet temperature, mass flow rate and composition of flue gas, or of water/steam pressure and temperature in heat recovery steam generator (HRSG), all will modify the amount of waste heat recovered from flue gas; this brings forward a desire for the optimization of the design of HRSG. For single pressure HRSGs with given structures and specified values of inlet temperature, mass flow rate and composition of flue gas, the steam mass flow rate and gas outlet temperature of the HRSG are analyzed as functions of several parameters. This analysis is based on the laws of thermodynamics, incorporated into the energy balance equations for the heat exchangers. Those parameters are superheated steam pressure and temperature, feedwater temperature and pinch point temperature difference. It was shown that the gas outlet temperature could be lowered by selecting appropriate water/steam parameters and pinch point temperature difference. While operating with the suggested parameters, the HRSG can generate more high-quality steam, a fact of great significance for waste heat recovery from wider ranges of sources for better energy conservation.
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Ahn, J., Y. S. Lee, and J. J. Kim. "STEAM DRUM DESIGN FOR A HRSG BASED ON CFD." Journal of computational fluids engineering 16, no. 1 (March 31, 2011): 67–72. http://dx.doi.org/10.6112/kscfe.2011.16.1.067.

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Hegde, N., I. Han, T. W. Lee, and R. P. Roy. "Flow and Heat Transfer in Heat Recovery Steam Generators." Journal of Energy Resources Technology 129, no. 3 (March 24, 2007): 232–42. http://dx.doi.org/10.1115/1.2751505.

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Computational simulations of flow and heat transfer in heat recovery steam generators (HRSGs) of vertical- and horizontal-tube designs are reported. The main objective of the work was to obtain simple modifications of their internal configuration that render the flow of combustion gas more spatially uniform. The computational method was validated by comparing some of the simulation results for a scaled-down laboratory model with experimental measurements in the same. Simulations were then carried out for two plant HRSGs—without and with the proposed modifications. The results show significantly more uniform combustion gas flow in the modified configurations. Heat transfer calculations were performed for one superheater section of the vertical-tube HRSG to determine the effect of the configuration modification on heat transfer from the combustion gas to the steam flowing in the superheater tubes.
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Sharma, Meeta, and Onkar Singh. "Parametric Evaluation of Heat Recovery Steam Generator (HRSG)." Heat Transfer-Asian Research 43, no. 8 (December 13, 2013): 691–705. http://dx.doi.org/10.1002/htj.21106.

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Langston, Lee S. "Cogeneration: Gas Turbine Multitasking." Mechanical Engineering 134, no. 08 (August 1, 2012): 50. http://dx.doi.org/10.1115/1.2012-aug-4.

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This article describes the functioning of the gas turbine cogeneration power plant at the University of Connecticut (UConn) in Storrs. This 25-MW power plant serves the 18,000 students’ campus. It has been in operation since 2006 and is expected to save the University $180M in energy costs over its 40-year design life. The heart of the UConn cogeneration plant consists of three 7-MW Solar Taurus gas turbines burning natural gas, with fuel oil as a backup. These drive water-cooled generators to produce up to 20–24 MW of electrical power distributed throughout the campus. Gas turbine exhaust heat is used to generate up to 200,000 pounds per hour of steam in heat recovery steam generators (HRSGs). The HRSGs provide high-pressure steam to power a 4.6-MW steam turbine generator set for more electrical power and low-pressure steam for campus heating. The waste heat from the steam turbine contained in low-pressure turbine exhaust steam is combined with the HRSG low-pressure steam output for campus heating.
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Beasley, O. W., E. C. Hutchins, P. R. Predick, and J. M. Vavrek. "Induced Draft Fan Innovation for Heat Recovery Steam Generators." Journal of Engineering for Gas Turbines and Power 116, no. 2 (April 1, 1994): 402–5. http://dx.doi.org/10.1115/1.2906834.

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A first of its kind, induced draft (ID) heat recovery steam generators (HRSG) have been in service at a cogeneration facility since 1991. A preliminary engineering study considered a forced draft (FD) fan to supply combustion air to the HRSG duct burners (when the combustion turbine (CT) is out of service) as a traditional design; however, the study indicated that the FD fan may require the HRSG duct burner to be shut off following a CT trip and re-ignited after the FD fan was in service. Although the induced draft HRSG design cost more than the FD fan design, the induced draft design has improved the cogeneration facility’s steam generation reliability by enabling the HRSG to remain in service following a CT trip. This paper briefly summarizes the preliminary engineering study that supported the decision to select the ID fan design. The paper also discusses the control system that operates the fresh-air louvers, duct burners, HRSG, and ID fan during a CT trip. Startup and operating experiences are presented that demonstrate the effectiveness of the design. Lessons learned are also summarized for input into future induced draft HRSG designs.
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Mu, Lin, and Hong Chao Yin. "Numerical Simulation of the Influence of Deposits on Heat Transfer Process in a Heat Recovery Steam Generator." Applied Mechanics and Materials 121-126 (October 2011): 1301–5. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.1301.

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Flue gas entrains a large number of ash particles which are composed of alkali substances into the heat recovery steam generator (HRSG). The deposition of particles on the tube surface of heat transfer can reduce the heat transfer efficiency significantly. In the present work, an Eulerian- Lagrangian model based on Computational Fluid Dynamics (CFD) is implemented to simulation flue gas turbulent flow, heat transfer and the particle transport in the HRSG. Several User-Defined Functions (UDFs) are developed to predict the particle deposition/ rebounding as well as the influence of physical properties and microstructure of deposits on the heat transfer process. The results show that only after one day deposition, the total heat transfer rate reduces 27.68% compared with the case no deposition. Furthermore, the total heat transfer rate reduces to only 238.74kW after 30 days of continuous operation without any slag removal manipulation. Both numerical simulation and field measurement identify that the deposits play an important role in the heat transfer in the HRSG. Especially, when the deposits can’t be removed designedly according to the actual operating conditions, the HRSG experiences a noticeable decline in heat transfer efficiency due to continuous fouling and slagging on the tube surface.
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G. Zewge, Mesfin, T. A. Lemma, A. A. Ibrahim, and D. Sujan. "Modeling and Simulation of a Heat Recovery Steam Generator Using Partially Known Design Point Data." Advanced Materials Research 845 (December 2013): 596–603. http://dx.doi.org/10.4028/www.scientific.net/amr.845.596.

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In a cogeneration or combined heat and power plant, a heat recovery steam generator (HRSG) helps achieve overall thermal efficiency as high as 80%. The purpose of this study is to model and simulate the HRSG given partial design point data. The pinch and approach temperatures are optimized within generally accepted range. In order to satisfy the energy conservation equation, tuning parameters are used for the overall heat transfer coefficients corresponding to the evaporator and economizer. For the off-design simulation, the values of pinch and approach temperatures are adjusted until the modeling error is within a set limit. The effect of mass flow rate on the heat transfer coefficient is accounted for & by employing empirical relations. A 12 Ton/hr natural circulation HRSG was considered as a case study. The validation test on inlet temperatures of the exhaust gas and feed water to the economizer demonstrated relative percentage errors of 0.4246% and 1.8776%, respectively. The model can be used for fault detection and diagnostic system design, performance optimization, and environmental load assessment.
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Dissertations / Theses on the topic "Heat recovery steam generator (HRSG)"

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Dlouhá, Kristýna. "Návrh HRSG kotle." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401508.

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This master’s thesis deals with the design of a heat recovery steam generator. The introductory part of the thesis is dedicated to waste heat boilers, their division and their utilization in combined cycles gas turbine. In the following chapter, an analysis of the existing combined heat and power plant operation is performed. In the next part of the thesis, the conceptual layout of the new source is designed. Subsequently, the thermal calculation of the boiler is carried out as well as the design of individual heat exchanging surfaces. The sixth chapter deals with the strength calculation of the boiler and the outer piping, chambers and drum are designed here. At the end of the thesis there are described off-design states of the new combined cycle gas turbine.
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Pauliny, Jan. "Navrh dvoutlakého horizontálního kotle na odpadní teplo (HRSG) za plynovou turbínou na zemní plyn." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254218.

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Tato diplomová práce se zabývá návrhem dvojtlakého horizontálního kotle využívající teplo spalin za spalovací turbínou na zemní plyn. Zahrnuje návrh a výpočet jednotlivých výměníků, jejich základní uspořádání s ohledem na požadované parametry výstupní páry a dané vstupní a výstupní parametry spalin. Dále tato práce zahrnuje výpočet a konstrukční návrh parních bubnů, zavodňovacích trubek a převáděcích potrubí. Tato práce je zakončena výpočtem a prověřením tlakových ztrát mezi vstupem a výstupem kotle. Důležitou součástí této práce je přiložena výkresová dokumentace.
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Maršík, Jaroslav. "Dvoutlaký horizontální kotel na odpadní teplo (HRSG)." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232157.

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The Master’s thesis dealing with design of heat recovery steam generator with two pressure levels is split into nine sections. The first section describes the design and the layout of HRSG. The second part deals with heat calculation. The third section deals with design of flue-gas duct. The fourth part describes designs of individual heating surfaces, including steam superheaters, vaporizers and economizer. Next section shows the real temperature diagram and choice of the materials. The seventh section describes the calculation of outer pipelines and the eighth part deals with the drums design. The last section deals with the calculation of draft loss of steam generator.
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Veselý, Petr. "Návrh turbíny do kombinovaného cyklu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-320116.

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The topic of thesis is condensing turbine in gas-steam cycle, which can be divided into four basic parts. A history of gas-steam cycle is described in the beginning. Second part is all about calculation of heat recovery steam generator. Penultimate section deals with calculations of steam turbine parameters and reaction blading type. Last part contains electric power and steam turbine efficiency.
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Krčálová, Petra. "Parní generátor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254227.

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Master thesis on topic steam generator deal with about improving the efficiency due to the use of combined cycle while producing electrical energy. The first part includes the possibility of using combustion engines in the energy sector and describes their advantages and disadvantages in the production of electricity. Further described is the use of the concept of a combustion engine in a combined cycle, and improving the efficiency of electricity through the use of waste heat boilers and steam turbines. The second part is design of the steam generator, which is connected behind the chosen combustion engine with power exceeding 10 MW. Whether this concept is profitable and competitive is in mentioned in the last chapter dealing with the return entry investment. In this chapter is compared several variants use and a demonstration of the impact of fuel prices on the profitability of this concept.
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Med, Lukáš. "Návrh dvoutlakého horizontálního kotle na odpadní teplo." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241924.

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This master's thesis deals with thermal calculation and design of proportions of calorific components of a heat recovery steam generator (HRSG), which is placed behind a combustion turbine, for given parameters of exhaust gases and requested parameters of steam. In the first chapters is described the design, layout of HRSG and the thermal calculation. The next parts deal with the design of flue-gas duct and each individual heating surface. Next section shows computations of dimensions of drums, flooding pipes, transferring pipes and all other outer pipes. The chosen materials are described in one of the last chapters and the last chapter deals with calculation of draft loss of steam generator.
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Tuya, Rodríguez Jorge Carlos. "Tratamiento químico para un HRSG (Heat Recovering Steam Generator) de una planta de ciclo combinado." Universidad Nacional de Ingeniería. Programa Cybertesis PERÚ, 2007. http://cybertesis.uni.edu.pe/uni/2007/morales_cf/html/index-frames.html.

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Esta tesis fue preparada en base a antecedentes y experiencias en el tratamiento de los sistemas de Caleteras Recuperadores de Calor y Generadoras de Vapor (HRSG.) Esta tesis se realiza para seleccionar un nuevo programa de tratamiento o una ayuda comparativa. Sin embargo, puede ser utilizada también como un recurso práctico para evaluar un programa existente de tratamiento de un HRSG, Asimismo, no sugiere que se realice algún cambio en dicho programa si es que tiene un proceder histórico de buenos resultados. Algunos juicios pueden tener lugar en la selección de un programa de tratamiento. XH.1 B objetivo de esta tesis es proveer un entendimiento de la selección más apropiada y del régimen de tratamiento químico interno aplicado al sistema de HRSG con domos dentro de la etapa de ciclo simple y ciclo combinado de una Planta de Ciclo Combinado con uso exclusivo de vapor para generar energía eléctrica. Este estudio no abarca el uso de HRSG para sistemas de cogeneración ni proveer una discusión profunda de las teorías químicas detrás de cada uno de los programas de tratamientos, solo profundiza el tratamiento químico todo volátil. XlI.2. Sumarlo; En el Capítulo t índica el objetivo de los tratamientos químicos internos. En el Capítulo lI nos da una pequeña reseña histórica de tos HRSG y de la característica de agua que requieren, así como ta filosofía dada por un instituto que desarropa estudios para su tratamiento, En el Capítulo III, se indican los objetivos para la selección de un programa de tratamiento químico para un HRSG, selección del En el Capítulo IV se da una guía para seleccionar el programa de tratamiento en función de los requerimientos de los fabricantes de turbinas de vapor, también se indican los tipos de tratamientos existentes con una pequeña definición. En el Capítulo V se da a conocer la clave pata una estrategia de selección de un programa de tratamiento químico para un HRSG para una Planta de Ciclo Combinado que emplea el vapor solo para En el Capitulo VI, se indican los criterios para los puntos de muestreo en un HRSG para obtener valores óptimos y En el Capítulo Vil, se indican los valores de los parámetros individuales monitoreados en las plantas de ciclo combinado y sus valores Mtest los efectos que estos parámetros pueden producir en la turbina a vapor. En el Capitulo VIH, se trata del tratamiento Todo Volátil (AVT)E los químicos empleados, los parámetros a ser monitoreados en este tratamiento, y los limites de los parámetros individuales que se deben tener en una operación normal. En el Capítulo IX, se presentan las conclusiones de esta tests En el Capitulo X, se presentan las recomendaciones En el Capítulo XI, se presenta la bibliografía. En El Capítulo XH, se presenta un glosario de términos empleados en las plantas de ciclo combinado En el Anexo, se trata del monitoreo de la corrosión en plantas de generación de vapor En los últimos dos capítulos se trata sobre uno de los tratamiento preferidos cuando se emplea agua de alta pureza para el agua de reposición de los HRSG y sobre las ultimas tendencias en la eliminación de la hidracina como el principal secuestrante de oxígeno.
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Horkeby, Kristofer. "Simulation of Heat Recovery Steam Generator in a Combined Cycle Power Plant." Thesis, Linköpings universitet, Institutionen för systemteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-75836.

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This thesis covers the modelling of a Heat Recovery Steam Generator (HRSG) in a Combined Cycle Power Plant(CCPP). This kind of power plant has become more and more utilized because of its high efficiency and low emissions. The HRSG plays a central role in the generation of steam using the exhaust heat from the gas turbine. The purpose of the thesis was to develop efficient dynamic models for the physical components in the HRSG using the modelling and simulation software Dymola. The models are then to be used for simulations of a complete CCPP.The main application is to use the complete model to introduce various disturbances and study their consequences inthe different components in the CCPP by analyzing the simulation results. The thesis is a part of an ongoingdevelopment process for the dynamic simulation capabilities offered by the Solution department at SIT AB. First, there is a theoretical explanation of the CCPP components and control system included in the scope of this thesis. Then the development method is described and the top-down approach that was used is explained. The structure and equations used are reported for each of the developed models and a functional description is given. Inorder to ensure that the HRSG model would function in a complete CCPP model, adaptations were made and tuning was performed on the existing surrounding component models in the CCPP. Static verifications of the models are performed by comparison to Siemens in-house software for static calculations. Dynamic verification was partially done, but work remains to guarantee the validity in a wide operating range. As a result of this thesis efficient models for the drum boiler and its control system have been developed. An operational model of a complete CCPP has been built. This was done integrating the developed models during the work with this thesis together with adaptations of already developed models. Steady state for the CCPP model is achieved during simulation and various disturbances can then be introduced and studied. Simulation time for a typical test case is longer than the time limit that has been set, mainly because of the gas turbine model. When using linear functions to approximate the gas turbine start-up curves instead, the simulation finishes within the set simulation time limit of 5 minutes for a typical test case.
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Vytla, Veera Venkata Sunil Kumar. "CFD Modeling of Heat Recovery Steam Generator and its Components Using Fluent." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_theses/336.

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Combined Cycle power plants have recently become a serious alternative for standard coal- and oil-fired power plants because of their high thermal efficiency, environmentally friendly operation, and short time to construct. The combined cycle plant is an integration of the gas turbine and the steam turbine, combining many of the advantages of both thermodynamic cycles using a single fuel. By recovering the heat energy in the gas turbine exhaust and using it to generate steam, the combined cycle leverages the conversion of the fuel energy at a very high efficiency. The heat recovery steam generator forms the backbone of combined cycle plants, providing the link between the gas turbine and the steam turbine. The design of HRSG has historically largely been completed using thermodynamic principles related to the steam path, without much regard to the gas-side of the system. An effort has been made using resources at both UK and Vogt Power International to use computational fluid dynamics (CFD) analysis of the gas-side flow path of the HRSG as an integral tool in the design process. This thesis focuses on how CFD analysis can be used to assess the impact of the gas-side flow on the HRSG performance and identify design modifications to improve the performance. An effort is also made to explore the software capabilities to make the simulation an efficient and accurate.
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PINTO, RAPHAEL GUIMARAES DUARTE. "SIMULATION OF HEAT RECOVERY STEAM GENERATOR OPERATING IN A COMBINED CYCLE PLANT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2012. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=20769@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
A evolução das turbinas a gás industriais resultou em um processo de combustão mais eficiente que permitiu a elevação da temperatura dos gases na exaustão dessa máquina. Assim, caldeiras de recuperação de calor cada vez mais complexas foram desenvolvidas com o intuito de aproveitar ao máximo o potencial energético na exaustão das turbinas. Dessa forma, modelos computacionais capazes de prever as condições de operação do equipamento se mostraram necessários de maneira a analisar o comportamento da máquina em diferentes situações, visando à máxima eficiência do processo. Esta dissertação descreve um modelo computacional capaz de simular o funcionamento fora do ponto de projeto, em regime permanente, de uma caldeira de recuperação de calor operando em uma usina de ciclo combinado, enfatizando sua utilização em sistemas de diagnóstico. As rotinas foram desenvolvidas em FORTRAN e os trocadores de calor presentes na HRSG foram modelados individualmente e calibrados através de um sistema de otimização utilizando algoritmos genéticos, responsável por minimizar o desvio do modelo. O programa desenvolvido foi validado contra dados de operação de uma usina real e mostrou resultados satisfatórios, que confirmam a robustez e fidelidade do modelo de simulação.
The heavy duty gas turbines evolution and, consequently, a more efficient combustion process, allowed the temperature rising of the machines’ exhaust gases. Thus, more complex heat recovery steam generators were developed in order to maximize the use of that energy potential. Therefore, computational models capable to predict the operational conditions of the equipment may be needed in order to analyze the machine’s behavior for different situations, in a way to maximize the process efficiency. This thesis describes a computational model able to simulate the off-design behavior of a heat recovery steam generator operation in a combined cycle plant, emphasizing its utilization in diagnostics systems. The routines were developed using FORTRAN, each heat exchanger inside the Heat Recovery Steam Generator (HRSG) was designed individually and the calibration was done by a genetic algorithm responsible for minimizing the model’s deviations. The developed program was validated against operational data from a real plant and showed satisfactory results, confirming the robustness and fidelity of this simulation model.
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Books on the topic "Heat recovery steam generator (HRSG)"

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L&K International Training. Gas Turbine Generation: Heat Recovery Steam Generator (Hrsg). Institute of Electrical & Electronics Enginee, 1999.

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Heat Recovery Steam Generator Technology. Elsevier Science & Technology, 2017.

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Book chapters on the topic "Heat recovery steam generator (HRSG)"

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Sharma, Achintya, Meeta Sharma, Anoop Kumar Shukla, and Nitin Negi. "Evaluation of Heat Recovery Steam Generator for Gas/Steam Combined Cycle Power Plants." In Lecture Notes in Mechanical Engineering, 189–200. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6416-7_18.

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Ameri, Mohammad, and Pourya Ahmadi. "The Study of Ambient Temperature Effects on Exergy Losses of a Heat Recovery Steam Generator." In Challenges of Power Engineering and Environment, 55–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-76694-0_9.

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Bartnik, Ryszard. "Selection of the Structure of the Heat Recovery Steam Generator for the Repowered Power Unit." In The Modernization Potential of Gas Turbines in the Coal-Fired Power Industry, 45–51. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4860-9_6.

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Hennessey, James R. "HRSG construction." In Heat Recovery Steam Generator Technology, 263–86. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-08-101940-5.00013-0.

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Gülen, S. Can. "Heat Recovery Steam Generator (HRSG)." In Gas Turbine Combined Cycle Power Plants, 115–64. CRC Press, 2019. http://dx.doi.org/10.1201/9780429244360-6.

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Gremaud, Paul D. "HRSG inspection, maintenance and repair." In Heat Recovery Steam Generator Technology, 355–77. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-08-101940-5.00016-6.

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Dooley, Barry. "Developing the optimum cycle chemistry provides the key to reliability for combined cycle/HRSG plants." In Heat Recovery Steam Generator Technology, 321–53. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-08-101940-5.00015-4.

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Eriksen, Vernon L., and Joseph E. Schroeder. "Other/unique HRSGs." In Heat Recovery Steam Generator Technology, 379–96. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-08-101940-5.00017-8.

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Miller, Joseph. "The combined cycle and variations that use HRSGs." In Heat Recovery Steam Generator Technology, 17–43. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-08-101940-5.00002-6.

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"A Quiz on Boilers and HRSGs." In Industrial Boilers and Heat Recovery Steam Generators. CRC Press, 2002. http://dx.doi.org/10.1201/9780203910221.ax1.

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Conference papers on the topic "Heat recovery steam generator (HRSG)"

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Arbiyani, Filian, Stefanus Randy Raharja, and Wegie Ruslan. "Cogeneration Plant : Optimization of Heat Recovery Steam Generator (HRSG)." In 2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA). IEEE, 2019. http://dx.doi.org/10.1109/icpea.2019.8818511.

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Walter, Heimo, and Wladimir Linzer. "Flow Stability of Heat Recovery Steam Generators." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53040.

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In this paper the results of a theoretical stability analysis are presented. The investigation was done for two different types of natural circulation Heat Recovery Steam Generators (HRSG) — a two-drum steam generator and a HRSG with a horizontal tube bank. The investigation shows the influence of the boiler geometry on the stability of the steam generators. For the two-drum boiler the static instability, namely the reverse flow is analysed. First results of the investigations for the HRSG with a horizontal tube bank are also presented. In this case the dynamic flow instability of density wave oscillations is analysed.
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Brusca, S., and R. Lanzafame. "Heat Recovery Steam Generator Optimization Using Analysis of Variance." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50008.

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The present work deals with the analysis and optimization of a heat recovery steam generator (HRSG) using the ANalysis Of VAriance (ANOVA). In order to obtain an optimum thermodynamic configuration of a three pressure levels HRSG, a mathematical model of the generator has been implemented using a generic thermodynamic code. Model management and HRSG control logic have been implemented using code’s macros and Microsoft Excel VBA programming languages. The model has been finely tuned and tested using real HRSG running data in the current plant configuration. Using the model, evaporators’ pressure levels have been modified and thermodynamic data elaborated using ANOVA technique. Results’ analysis shows that reducing low and medium pressure level in the HRSG, global steam production rises up. At the same time, exhaust gas temperature decreases showing a certain heat adsorption increase. On the basis of the results it is possible to state that the proposed HRSG configuration involves increases in plant steam and power production as well as in global efficiency with HRSG minimal modification.
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Kumar, Rajeev, and Onkar Singh. "Computer Simulation and Optimization of Heat Recovery Steam Generator (HRSG)." In ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38095.

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Heat recovery steam generators are successfully used in combined cycle power plants and many more applications. In a gas / steam combined cycle power plant the performance of bottoming cycle depends largely upon the effectiveness of HRSG. For a good HRSG in combined cycle power plants the heat exchange effectiveness should be as high as possible for maximum waste heat utilization and loss in the pressure of hot gases passing through HRSG should be small. In this paper, the computer simulation of HRSG has been carried out based on its thermodynamic study. An exhaustive generic computer code has been developed in C++ language for getting the critical information such as surface area required, number of tubes required, pressure loss, steam generation rate, effectiveness etc. for a single pressure & multi pressure HRSG. Results obtained using the code have been analyzed for varying operating thermodynamic conditions and different arrangements in HRSG. Preferable HRSG configuration and its thermodynamic analysis have been made using the computer code. Optimization of the HRSG design is carried out in respect to cost of HRSG using genetic algorithm.
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Vedanth, S. "Study and Design of Heat Recovery Steam Generators." In 2002 International Joint Power Generation Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ijpgc2002-26017.

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In the modern scenario of energy systems, we see that the efficiency of the modern day power plants attain a maximum possible limit of 40%–50% in most cases. This is a result of the wastage’s that are prevalent in the systems in the form of heat loss, friction losses due to flow in pipes and flow in other units. The modern day power plants employ the Heat Recovery Steam Generators ( HRSG) which help in converting the waste heat coming out of the turbine into useful work, thus increasing the overall efficiency of the plant. The application of Gas turbine generator (GT) based co-Generation power plants as a part of the industrial plants is on the rise. These plants are required to meet the industrial plants power and steam demand with variations associated with it. This paper deals with the study of a versatile industrial HRSG with specifications in order to support the design. The study and design is based on the design and production unit “Babcock Borsig power systems”, Chennai, India. The paper focuses on the Heat recovery Steam Generator design inclusive of selecting the parameters like pressure of steam, velocity of fluids at different stages with respect to the conditions, material selection etc. The design of HRSG involves primary inputs such as the Engineering Flow diagrams, Arrangement of Equipment’s at proper elevation and Engineering data (Specifications). The considerations of line sizing with respect to pressure drop, Net positive Suction Head, Pipe line erosion, Water Hammer and noise are taken into account. A well-specified and designed HRSG can substantially help the Industrial Co-Generation plant to meet the demand variation and imbalances without sacrificing the reliability of operation. The study is an important contribution to the exponentially rising population and hence the energy demands in the world.
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Zhao, Yongjun, Hongmei Chen, Mark Waters, and Dimitri N. Mavris. "Modeling and Cost Optimization of Combined Cycle Heat Recovery Generator Systems." In ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38568.

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The combined cycle power plant is made up of three major systems, the gas turbine engine, the heat recovery steam generator and the steam turbine. Of the major systems the gas turbine engine is a fixed design offered by a manufacturer, and the steam turbine is also a fairly standard design available from a manufacturer, but it may be somewhat customized for the project. In contrast, the heat recovery steam generator (HRSG) offers many different design options, and its design is highly customized and integrated with the steam turbine. The objective of this project is to parametrically investigate the design and cost of the HRSG system, and to demonstrate the impact on the overall cost of electricity (COE) of a combined cycle power plant. There are numerous design parameters that can affect the size and complexity of the HRSG, and it is the plan for the project to identify all the important parameters and to evaluate each. For this study, the design parameter chosen for evaluation is the exhaust gas pressure drop across the HRSG. This parameter affects the performance of both the gas turbine and steam turbine and the size of the heat recovery unit. Single-pressure, two-pressure and three-pressure HRSGs are all investigated, with the tradeoffs between design point size, performance and cost evaluated for each system. A genetic algorithm is used in the design optimization process to minimize the investment cost of the HSRG. Several system level metrics are employed to evaluate a design. They are gas turbine net power, steam turbine net power, fuel consumption of the power plant, net cycle efficiency of the power plant, HRSG investment cost, total investment cost of the power plant and the operating cost measured by the cost of electricity (COE). The impacts of HRSG exhaust gas pressure drop and system complexity on these system level metrics are investigated.
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Sorce, Alessandro, Alessio Martini, Alberto Traverso, and Giorgio Torelli. "Heat Recovery Steam Generator Health Assessment Basing on Reconciled Measurement." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26995.

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Long-term monitoring and diagnostic of power plants is a permanent issue for the energy companies. In particular with the increase of flexible operation (e.g. daily start-up and shutdown cycles, part load operations) the definition of proper diagnostic indicators becomes mandatory. Different monitoring strategies were developed, implemented and tested for the main components of a combined cycle power plant (e.g. Gas Turbine, Heat Recovery Steam Generator, Steam Turbine, Pumps) to prevent fault/failure or to plan/evaluate the maintenance activities. This work focuses on the first principles health assessment of the Heat Recovery Steam Generator (HRSG). The impact of ambient conditions on the gas turbine outlet temperature and mass flow rate and thus on the HRSG behavior is presented referring to the control strategies of the Gas Turbine (GT). To validate the measurements a preprocessing phase basing on Data Reconciliation was performed, aimed at improving the accuracy of the estimation of exhaust mass flow rate entering the HRSG. Gas Turbine and HRSG nergy balances are exploited to reduce the uncertainties of the results, eliminate the outlier data sets and obtain consistent data. Moreover an evaluation of the sensitivity of the indicator will be made basing on field measurements before and after a maintenance intervention.
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Buecker, Brad. "Water/Steam Treatment Programs and Chemistry Control for Heat Recovery Steam Generators." In ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98004.

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New power generation in the U.S. is being dominated by installation of combined-cycle power plants, where a significant portion of the power is produced from steam turbines supplied by heat recovery steam generators (HRSG). Proper chemistry control and monitoring of HRSG feedwater, boiler water, and steam are essential for high reliability and availability of these units. However, many plants have minimal staff, most if not all of whom have no formal chemistry training and who may not fully understand the importance of water/steam chemistry and monitoring techniques. This paper provides an outline of the most important chemistry control methods and also examines the phenomenon of flow-accelerated corrosion (FAC). FAC is the leading cause of corrosion in HRSGs,[1] and is often the result of the outdated belief that oxygen scavengers are a requirement for feedwater treatment. Since 1986, FAC-induced failures at several coal-fired power plants have killed or injured a number of U.S. utility workers.
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Sanaye, Sepehr, Omid Hamidkhani, Mostafa Shabanian, Rohollah Espanani, and Abdolreza Hoshyar. "Thermoeconomic Optimization of Heat Recovery Steam Generators." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28297.

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The combined cycle power plant (CCPP) is one of the efficient power producing technologies which includes both Brayton (topping) and Rankine (bottoming) cycles. The optimal design of heat recovery steam generator (HRSG) as an important part of a CCPP is a subject of interest. In this paper a thermoeconomic analysis has been applied to optimally design HRSGs in a combined cycle power plant. Two arrangements of heating elements are studied here. The method consists of both developing a simulation program and applying the Genetic Algorithm optimization scheme. The total cost per unit produced steam exergy was introduced as the objective function which included, capital or investment cost, operational cost, and the corresponding cost of the exergy destruction. The objective function per unit of produced steam exergy was minimized while satisfying a group of constraints. The decision variables (or design parameters as well as pinch point temperatures, pressure levels and, mass flow rates) are obtained. The variations of design parameters as well as the exergy efficiency and the total cost with the inlet hot gas enthalpy are shown.
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Galindo-García, Iván F., Ana K. Vázquez-Barragán, and Miguel Rossano-Román. "CFD Simulations of Heat Recovery Steam Generators Including Tube Banks." In ASME 2014 Power Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/power2014-32261.

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CFD (Computational Fluids Dynamics) simulations of HRSGs (Heat Recovery Steam Generators) can improve and optimize the performance of combined cycle power plants. For example CFD results can help to analyze the effect that different working conditions such as changes in power or fuel quality can have on the uniformity of the flow. A uniform flow is important because the tubes inside the HRSG are more susceptible to corrosion and rupture when the flow distribution is strongly nonuniform. An accurate modeling of the flow and heat transfer characteristics is paramount in order to obtain a realistic representation of the process. However, a big problem in CFD modeling of HRSGs, or any equipment with tube-and-shell heat exchangers, is the different length scales of the equipment, which vary from a few centimeters for the tubes diameter to tens of meters for the HRSG vertical height. The problem is that these different length scales would require a very large computational mesh and consequently a very expensive simulation. To overcome this problem, a common approach in CFD simulations of HRSG has been to model the tube banks following a porous media approach, where the tubes are represented by a volume with a porosity factor which gives the volume fraction of fluid within the porous region. Using this model a pressure drop and the total heat absorbed due to the presence of the solid tubes is calculated. However, due to the recent advances and relatively lower prices of computer equipment it is now possible in a relatively economical way to explicitly include the tube banks in the CFD models of HRSGs. In this study a CFD model of a HRSG is presented where the tube banks are included in the geometric model. Results using this model show the fluid flow and heat transfer between the numerous tubes. A further advantage, in contrast to the porous media model, is that the flow inside the tubes is also modeled which gives a more realistic representation of the phenomena inside the tubes.
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