Life Enhancement of Gas Turbine Combustor Liner Through Thermal Barrier Coating

Mishra, Ranjan

doi:10.1007/s11668-017-0323-2

Cited by 13 publications

(6 citation statements)

References 16 publications

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“…Based on this, he proposed a life extension plan for wheel burner bushing, which adopts a material mixing preparation method. In this method, he proposed that the surface tension of the coating will no longer be the only standard, so he focused on the heat dissipation performance of the coating material [4].…”

Section: Related Workmentioning

confidence: 99%

Application of Nanocomposites with Thermal Barrier Coating in Heat Pump Heat Transfer Systems

Zhao

Liu

et al. 2022

Advances in Materials Science and Engineering

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Air-source heat pumps are highly valued in many fields because of their energy-saving and efficient characteristics and they have a good market prospect. However, with the continuous development of heat pump technology, the thermal barrier coating materials used in air-source heat pumps seriously limit their growth. Nanoparticles are the smallest microparticles found at present. They have many excellent characteristics, and the nanomaterials made of nanoparticles have surface activity that ordinary materials do not have. Based on this, this paper combines nanostructures with thermal barrier coatings to study the application of thermal barrier coatings based on nanocomposites in heat pump systems.

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Section: Related Workmentioning

confidence: 99%

Application of Nanocomposites with Thermal Barrier Coating in Heat Pump Heat Transfer Systems

Zhao

Liu

et al. 2022

Advances in Materials Science and Engineering

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“…These coatings act as an insulating layer with low thermal properties to reduce the base metal temperature as well as provide some corrosion and oxidation resistance. Recently, several protective coatings were employed in gas turbine combustor liners development to increase their thermal performance, durability, and reduce surface. − Mishra affirms that the application of yttria-stabilized zirconia thermal barrier coating to gas turbine combustor liner was found to be very effective in improving the thermal fatigue resistance. Ceramic matrix composite (CMC) materials are also considered as combustor liner materials.…”

Section: Parallel Development Of Combustor Liner Materialsmentioning

confidence: 99%

Review of Novel Combustion Techniques for Clean Power Production in Gas Turbines

2018

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The tremendous increase in energy demand due to increased population and rapid economics results in an increased level of atmospheric pollutants and global warming. The global shift to the use of renewable clean energies still has some restrictions in terms of the availability of the advanced reliable technologies and the cost of application compared to conventional fossil fuels. Until we can have this full conversion to renewables, the development of novel techniques for clean combustion of fossil fuels is appreciated. Forced by the simultaneous increased pressure of strict emissions regulations and the target of limiting the global warming to 2 °C, gas turbine manufacturers developed novel combustion techniques for clean power production in gas turbines as per the present review study. These novel techniques depend either on modification in the existing combustion system or developing novel burners for clean power production. In this review, different clean combustion techniques are presented including flame type variability, burner design, and fuel and oxidizer flexibility. The combustion and emission characteristics of different flame types including non-premixed/premixed, moderate or intense low-oxygen dilution (MILD) flameless combustion, colorless distributed combustion (CDC), and low-swirl injector (LSI) combustion flames are presented with their limitations for applications. Novel burner designs for clean burning in gas turbines are investigated in detail including swirl stabilized, dry low NOx (DLN), and dry low emission (DLE), catalytic combustion, perforated plate, environmental vortex (EV), sequential environmental vortex (SEV), advanced environmental vortex (AEV), and lean direct injection (LDI) micromixer burners. As an effective technique to control combustion instabilities within the gas turbine combustor, a fuel flexibility approach is studied, considering mainly hydrogen-enriched combustion and the associated concerns about the fuel variability technique. An oxidizer flexibility approach in gas turbines is also studied under a premixed combustion mode considering lean premixed (LPM) air combustion and oxy-fuel combustion, and both techniques are compared in terms of performance and emissions. Finally, the feasibility of the different clean combustion techniques is discussed along with the available market products utilizing such novel technologies.

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“…Plasma flame spraying is generally used to apply the ceramic and base coat layers because it has proved to provide durable and reproducible coatings. The studies on the coating material and on its application are still being performed, [14][15][16][17][18][19][20] but besides the thermo-mechanical properties of the TBC, its surface roughness may also affect the performance of the coating, especially the life of the liner and so the combustion chamber of the turbo engine. Predicting component life is an essential part of reliability and service warranties and several efforts have been made in this area.…”

Section: Introductionmentioning

confidence: 99%

Coating roughness impact on the combustion chambers life of the turbo engines

Masrouri,

Tahsini,

Vahabi

2023

Proceedings of the Institution of Mechanical Engineers, Part G:

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The objective of this study is to determine the impact of the convective heat transfer coefficient and the heat conduction coefficient on the metal temperature by studying heat conduction in the base metal and the coating under hot gas convection as well as the cooling flow using analytical methods. Increasing the convective heat transfer results in lower conduction of the coating that is necessary to maintain the metal temperature at the determined level. The surface roughness of the coating is therefore an influential factor in determining metal temperatures and plays a significant role in the lifespan of the hot sections of turbo engines. This phenomenon is numerically studied for the SGT-100 combustion chamber and the results demonstrate that the roughness can considerably increase the wall heat flux of the combustor. This means that the coating should be manufactured so that the coating surface has a lower roughness level. Otherwise, the higher heat flux will cause damage to the combustion chamber.

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Life Enhancement of Gas Turbine Combustor Liner Through Thermal Barrier Coating

Cited by 13 publications

References 16 publications

Application of Nanocomposites with Thermal Barrier Coating in Heat Pump Heat Transfer Systems

Application of Nanocomposites with Thermal Barrier Coating in Heat Pump Heat Transfer Systems

Review of Novel Combustion Techniques for Clean Power Production in Gas Turbines

Coating roughness impact on the combustion chambers life of the turbo engines

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