High-Speed Centrifugal Compressors in Modern Low-Emission Gas Turbines: Technological Advances and Future Perspectives
DOI:
https://doi.org/10.70112/arme-2025.14.2.4326Keywords:
High-Speed Centrifugal Compressors, Low-Emission Gas Turbines, Gas Turbine Design, Efficiency, Environmental Sustainability, CFDAbstract
High-speed centrifugal compressors play an essential role in low-emission gas turbine technology. This paper provides a detailed review of design concepts, operational issues, and recent technological advancements in high-speed centrifugal compressors for low-emission gas turbines. The paper assesses the influence of rotor speed, compressor configuration, and material choice on aerodynamic performance, thermal loading, and dynamic stability. Recent advances in computational fluid dynamics, optimization algorithms, additive manufacturing, and high-performance materials are critically analyzed in terms of performance improvement and reliability enhancement. The paper also reviews the contribution of high-speed compressors to the reduction of nitrogen oxide (NOx) and carbon dioxide (CO₂) emissions by improving combustion stability and fuel economy. The results demonstrate the potential for performance improvement while highlighting the difficulties associated with thermal loading, vibration, and material longevity, and provide future research directions for sustainable gas turbine technology.
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