Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/1287
Título: New Steel Alloys for the Design of Heat Recovery Steam Generator Components of Combined Cycle Gas Plants
Autor: Fernandes, Jorge Pinto
Lopes, Eduardo Manuel Dias
Maneta, Vicente
Palavras-chave: Alloy Steel
Boilers
Combined Cycle Power Stations
Finite Element Analysis
Heat Recovery
Martensitic Steel
Power-Plants
T/P24
Data: Mai-2010
Editora: Asme-Amer Soc Mechanical Eng
Citação: Fernandes J P, Lopes E M D, Maneta V. New Steel Alloys for the Design of Heat Recovery Steam Generator Components of Combined Cycle Gas Plants. Journal of Engineering for Gas Turbines and Power-Transactions of the Asme. 2010; 132 (5): Art. No. 051801.
Relatório da Série N.º: 5;051801
Resumo: Demand for power is growing every day, mainly due to emerging economies in countries such as China, Russia, India, and Brazil. During the last 50 years steam pressure and temperature in power plants have been continuously raised to improve thermal efficiency. Recent efforts to improve efficiency leads to the development of a new generation of heat recovery steam generator, where the Benson once-through technology is applied to improve the thermal efficiency. The main purpose of this paper is to analyze the mechanical behavior of a high pressure superheater manifold by applying finite element modeling and a finite element analysis with the objective of analyzing stress propagation, leading to the study of damage mechanism, e.g., uniaxial fatigue, uniaxial creep for life prediction. The objective of this paper is also to analyze the mechanical properties of the new high temperature resistant materials in the market such as 2Cr Bainitic steels (T/P23 and T/P24) and also the 9-12Cr Martensitic steels (T/P91, T/P92, E911, and P/T122). For this study the design rules for construction of power boilers to define the geometry of the HPSH manifold were applied.
Peer review: yes
URI: http://hdl.handle.net/10400.21/1287
ISSN: 0742-4795
Aparece nas colecções:ISEL - Eng. Mecan. - Artigos

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