Demand for power is growing everyday, 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.
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e-mail: jfernandes@etd1.co.uk
e-mail: edlopes@isq.pt
e-mail: vicente.maneta@power.alstom.com
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New Steel Alloys for the Design of Heat Recovery Steam Generator Components of Combined Cycle Gas Plants
Jorge Pinto Fernandes,
Jorge Pinto Fernandes
Project Engineer
ETD, European Technology Development,
e-mail: jfernandes@etd1.co.uk
ISEL, Instituto Superior de Engenharia de Lisboa
; ETD–6 Axis Centre, Cleeve Road, Leatherhead, Surrey KT22 7RD, UK
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Eduardo Manuel Dias Lopes,
Eduardo Manuel Dias Lopes
R&D Director of Research and Development Division
ISQ, Instituto da Soldadura e Qualidade,
e-mail: edlopes@isq.pt
ISEL, Instituto Superior de Engenharia de Lisboa
; ISQ–Rua Dr. Cavaco Silva, no. 33, Tagus Park 2740-120 Porto Salvo, Portugal
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Vicente Maneta
e-mail: vicente.maneta@power.alstom.com
Vicente Maneta
Manufacturing Engineer Director
Alstom Power
, Estrada Nacional 10-4, Mitrena 2910-738 Setúbal, Portugal
Search for other works by this author on:
Jorge Pinto Fernandes
Project Engineer
ETD, European Technology Development,
ISEL, Instituto Superior de Engenharia de Lisboa
; ETD–6 Axis Centre, Cleeve Road, Leatherhead, Surrey KT22 7RD, UKe-mail: jfernandes@etd1.co.uk
Eduardo Manuel Dias Lopes
R&D Director of Research and Development Division
ISQ, Instituto da Soldadura e Qualidade,
ISEL, Instituto Superior de Engenharia de Lisboa
; ISQ–Rua Dr. Cavaco Silva, no. 33, Tagus Park 2740-120 Porto Salvo, Portugale-mail: edlopes@isq.pt
Vicente Maneta
Manufacturing Engineer Director
Alstom Power
, Estrada Nacional 10-4, Mitrena 2910-738 Setúbal, Portugale-mail: vicente.maneta@power.alstom.com
J. Eng. Gas Turbines Power. May 2010, 132(5): 051801 (7 pages)
Published Online: March 3, 2010
Article history
Received:
March 22, 2009
Revised:
May 24, 2009
Online:
March 3, 2010
Published:
March 3, 2010
Citation
Fernandes, J. P., Dias Lopes, E. M., and Maneta, V. (March 3, 2010). "New Steel Alloys for the Design of Heat Recovery Steam Generator Components of Combined Cycle Gas Plants." ASME. J. Eng. Gas Turbines Power. May 2010; 132(5): 051801. https://doi.org/10.1115/1.3204563
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