Page 98 - IJAMD-1-3

International Journal of AI for
Materials and Design
Review of gas turbine blade failures by erosion

continued research and development efforts to advance 6.1. Theoretical implications
our understanding of erosion mechanisms, as well as Theoretical implications arising from the examination
to facilitate the implementation of effective preventive of critical aspects of gas turbine blade failures caused by
measures and maintenance strategies. Robust monitoring erosion are significant in shaping the theoretical framework
techniques and predictive modeling tools should be and understanding of materials science, aerodynamics,
integrated to enable proactive maintenance practices, and turbine engineering. Several theoretical implications
ensuring the early detection of erosion-related issues and can be derived from this comprehensive review:
the implementation of timely corrective actions.
• Erosion mechanisms and material science: This study
This comprehensive review underscores the critical highlights the intricate relationship between erosion
significance of addressing erosion-induced gas turbine blade mechanisms and material properties, emphasizing
failures, emphasizing the importance of a multidisciplinary the need for a deeper theoretical understanding of
approach that integrates materials science, aerodynamics, material behavior under erosive conditions. Exploring
and operational considerations. By fostering collaborative the theoretical foundations of material degradation
efforts between researchers, industry stakeholders, and and erosion processes can facilitate the development of
regulatory bodies, the gas turbine sector can effectively predictive models that account for material responses
enhance the resilience and reliability of turbine blades, to varying environmental factors, aiding in the design
thereby ensuring sustained performance and operational of more erosion-resistant materials and coatings.
safety in the realm of energy production and aviation. • Aerodynamic considerations and erosion dynamics:
From the extensive literature review and research outlined This review underscores the intricate link between
above, the following key findings and implications can be aerodynamic factors and erosion dynamics,
highlighted: necessitating a more nuanced theoretical approach
• The speed at which particles impact the surface to comprehend the impact of fluid flow on erosion
is the most significant factor affecting the rate of patterns. This calls for the development of theoretical
erosion, with gas temperature and impingement angle models that integrate fluid dynamics with erosion
following closely in influence. mechanisms, enabling a comprehensive understanding
• Implementing an optimal layer of TBC presents a of how gas flow characteristics contribute to erosion
viable strategy to minimize the erosion of GTE blades. phenomena in gas turbine blades.
• The erosion rate is also notably affected by the • Multidisciplinary approach to turbine design:
porosity of the TBC, underscoring the importance of Theoretical implications emphasize the significance
minimizing porosity to mitigate erosion. of a multidisciplinary approach to gas turbine design,
• Erosion demonstrates a direct correlation with the size incorporating theoretical frameworks from materials
of particles that impinge on the surface, emphasizing science, fluid dynamics, and structural engineering.
the need for measures to control particle size in This integration facilitates the development of
operational environments. comprehensive theoretical frameworks that consider
• The leading edge of the vane emerges as the critical the interplay of various factors, leading to the creation
zone for erosion, with erosion on the pressure surface of more robust and efficient gas turbine systems
intensifying progressively toward the trailing edge. resistant to erosion-induced failures.
These conclusions underscore the nuanced interplay • Predictive maintenance and monitoring techniques:
between various parameters affecting erosion in gas The current review highlights the importance of
turbine blades. The findings emphasize the significance theoretical frameworks in the development of
of controlling particle impact velocities, optimizing TBC advanced predictive maintenance and monitoring
characteristics, and managing particle size distribution to techniques for detecting erosion-related issues in gas
effectively minimize erosion. Moreover, the critical areas turbine blades. Theoretical implications emphasize the
identified for erosion highlight the necessity for targeted need for sophisticated theoretical models that enable
protective strategies, especially focusing on the leading the prediction of erosion rates and the identification
edge and pressure surface to ensure prolonged blade life of critical erosion-prone areas, facilitating the
and optimal performance. Further research efforts should implementation of proactive maintenance strategies
concentrate on refining these key factors to develop robust to ensure long-term reliability and performance of gas
preventive measures and advanced protective coatings, turbine systems.
thus enhancing the overall resilience and durability of gas • Sustainability and durability in energy systems:
turbine blades in demanding operational environments. Theoretical implications emphasize the significance

Volume 1 Issue 3 (2024) 92 doi: 10.36922/ijamd.5188