... and heat transfer mechanisms occurring in modern gas turbines, including different types of turbulence promoters, impingement, film cooling, microcooling, and the impact of recent applications of additive manufacturing. Table 1 Factors affecting film cooling [ 51 ] Factors affecting film cooling [51...

...Hannah G. Lea; Rochelle S. Wooding; Sam Kuhr; John Rotella; José Luis Córdova This paper presents the results of a comprehensive effort to characterize the properties of Inconel 718 produced by a form of laser powder bed fusion (LPBF) additive manufacturing (AM) or three-dimensional (3D)-printing...

... in the United States. Approved for public release; distribution is unlimited. 28 07 2022 09 08 2022 05 12 2022 structural dynamics particle damping vibration analysis additive manufacturing The need to reduce weight in aerospace systems has led to technological advancements...

... cooling devices. Recent development of metallic additive manufacturing (AM) based on direct metal laser sintering technology is capable of fabricating microscale structures with high complexity and design flexibility. However, powder bed laser sintering process produces rough surface characteristics...

..., component efficiency, and system electric efficiency. Thereby, a reduced design pressure ratio of 2.5 with 1200 K turbine inlet temperature (TIT) is identified as most suitable for 300 W electric power output. In following, a review of available additive manufacturing technologies yields material properties...