Results 11 to 20 of about 3,391,667 (362)
Engineering Applications of Computational Fluid Mechanics, 2023 Advanced cooling techniques are essential in modern gas turbines to improve the efficiency of the Brayton cycle by raising the turbine inlet temperature.
Yoonhyeong Jeong +6 more
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Structurally Colored Radiative Cooling Cellulosic Films
Advanced Science, 2022 AbstractDaytime radiative cooling (DRC) materials offer a sustainable approach to thermal management by exploiting net positive heat transfer to deep space. While such materials typically have a white or mirror‐like appearance to maximize solar reflection, extending the palette of available colors is required to promote their real‐world utilization ...
Zhu, Wenkai +10 more
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Mechanical Engineering Journal, 2020 The reliability of turbine blades and vanes of modern high temperature gas turbines is assured by turbine blade cooling technologies. Among the various cooling methods, film cooling has been a key technology to ensure the long-term operation of turbine ...
Kenichiro TAKEISHI +3 more
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Case Studies in Thermal Engineering, 2021 In present study, the heat transfer and the throughflow losses characteristics of single/triple-row of fan-shaped and cylindrical film cooling holes with a fixed outlet width are studied experimentally with an engine-representative density ratio.
H. Wei, Y.Q. Zu
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Frontiers in Energy Research, 2022 Experimental investigations have been conducted to improve the cooling effectiveness of film-cooling technology. A multiple row of cylindrical holes at the flat surface was considered by inclining the holes at 35° along the streamwise direction.
Jaemun Choi +5 more
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Film-cooling hole optimization and experimental validation considering the lateral pressure gradient
Frontiers in Mechanical Engineering, 2023 The flow in the turbine endwall region consists of the complicated secondary flow structures driven by the lateral pressure gradient, which heavily affects the performance of film cooling.
Hao Zhang +4 more
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Study on the effect of waveform film holes on film cooling efficiency
Frontiers in Energy Research, 2023 In order to improve the film cooling efficiency of the cooling gas on the hot side wall of the plate, the flow field, temperature field and the average film cooling efficiency of the cylindrical hole, rectangular hole and waveform hole near the wall were
Cheng Qian +4 more
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Effects of Turbulence Promoters of Gas Turbine Blades on Film Cooling Performance
Journal of Thermal Science and Technology, 2012 The effects of orientation of turbulence promoting ribs in the internal cooling air passage on the film cooling performance of outer surface of gas turbine blades have been studied experimentally.
Yukiko AGATA +3 more
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Case Studies in Thermal Engineering, 2022 The turbine blade cooling technology is developing rapidly, with film cooling being the focus of research. To address the problems of poor cooling performance and low cooling efficiency of existing film holes, this paper proposes a hole structure of cat ...
Lihao Zhang +4 more
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Energies, 2023 Modern gas turbines have evolved by increasing the turbine inlet temperature (TIT) to improve performance. This development has led to a demand for cooling techniques.
Seokmin Kim +3 more
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