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Title: RECENT DEVELOPMENTS IN GAS TURBINE MATERIALS AND TECHNOLOGY AND THE IMPLICATIONS FOR SYNGAS FIRING

Abstract

Gas turbine combined-cycle systems burning natural gas represent a reliable and efficient power generation technology that is widely used. A critical factor in their development was the rapid adaptation of aero-engine technology (single crystal airfoils, sophisticated cooling techniques, and thermal barrier coatings) in order to operate at the high rotor-inlet temperatures required for high efficiency operation. Early reliability problems have been largely overcome, so that this power generation systems is now considered to be a mature technology capable of achieving high levels of availability. Current interest in replacing natural gas with gas derived from coal (syngas or hydrogen) in these gas turbine systems focuses attention on implications for the critical turbine components. In this paper, the development requirements for materials for critical hot gas-path parts in large gas turbines burning coal-derived syngas fuels is briefly considered in the context of the state-of-the-art in materials for engines burning natural gas. It is shown that, despite some difficult design issues, many of the materials used in current engines will be applicable to units burning syngas. However, there is the potential that the durability of some components may be prejudiced since the combustion environment will contain a greater level of impurities (especially particulates).more » Consequently, effort to develop improved coatings to resist erosion and also attack by sulphur-containing compounds may be necessary.« less

Authors:
 [1];  [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
FE USDOE - Office of Fossil Energy (FE)
OSTI Identifier:
936016
DOE Contract Number:
DE-AC05-00OR22725
Resource Type:
Journal Article
Resource Relation:
Journal Name: International Journal of Hydrogen Energy; Journal Volume: 32; Journal Issue: 16
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 03 NATURAL GAS; 08 HYDROGEN; AIRFOILS; COAL; COATINGS; COMBUSTION; EFFICIENCY; ENGINES; GAS TURBINES; HYDROGEN; IMPURITIES; NATURAL GAS; PARTICULATES; POWER GENERATION; RELIABILITY; THERMAL BARRIERS; TURBINES; gas turbine materials; syngas turbines; hydrogen turbines

Citation Formats

Wright, Ian G, and Gibbons, Thomas. RECENT DEVELOPMENTS IN GAS TURBINE MATERIALS AND TECHNOLOGY AND THE IMPLICATIONS FOR SYNGAS FIRING. United States: N. p., 2007. Web. doi:10.1016/j.ijhydene.2006.08.049.
Wright, Ian G, & Gibbons, Thomas. RECENT DEVELOPMENTS IN GAS TURBINE MATERIALS AND TECHNOLOGY AND THE IMPLICATIONS FOR SYNGAS FIRING. United States. doi:10.1016/j.ijhydene.2006.08.049.
Wright, Ian G, and Gibbons, Thomas. Mon . "RECENT DEVELOPMENTS IN GAS TURBINE MATERIALS AND TECHNOLOGY AND THE IMPLICATIONS FOR SYNGAS FIRING". United States. doi:10.1016/j.ijhydene.2006.08.049.
@article{osti_936016,
title = {RECENT DEVELOPMENTS IN GAS TURBINE MATERIALS AND TECHNOLOGY AND THE IMPLICATIONS FOR SYNGAS FIRING},
author = {Wright, Ian G and Gibbons, Thomas},
abstractNote = {Gas turbine combined-cycle systems burning natural gas represent a reliable and efficient power generation technology that is widely used. A critical factor in their development was the rapid adaptation of aero-engine technology (single crystal airfoils, sophisticated cooling techniques, and thermal barrier coatings) in order to operate at the high rotor-inlet temperatures required for high efficiency operation. Early reliability problems have been largely overcome, so that this power generation systems is now considered to be a mature technology capable of achieving high levels of availability. Current interest in replacing natural gas with gas derived from coal (syngas or hydrogen) in these gas turbine systems focuses attention on implications for the critical turbine components. In this paper, the development requirements for materials for critical hot gas-path parts in large gas turbines burning coal-derived syngas fuels is briefly considered in the context of the state-of-the-art in materials for engines burning natural gas. It is shown that, despite some difficult design issues, many of the materials used in current engines will be applicable to units burning syngas. However, there is the potential that the durability of some components may be prejudiced since the combustion environment will contain a greater level of impurities (especially particulates). Consequently, effort to develop improved coatings to resist erosion and also attack by sulphur-containing compounds may be necessary.},
doi = {10.1016/j.ijhydene.2006.08.049},
journal = {International Journal of Hydrogen Energy},
number = 16,
volume = 32,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}