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RISNovel Focal Sweep Strategy for Optical Aerothermal Measurements of Film-Cooled Gas Turbine Blades With Highly Inclined Viewing Angle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The viewing angle for optical aerothermal measurements on turbine surfaces is often limited by the turbine structure, requiring the optical system to have a large depth of field (DoF). Although the DoF can be increased by ...
The Development and Applications of a Loading Distribution Based Tip Leakage Loss Model for Unshrouded Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The prediction of tip leakage flow aerothermal loss plays a crucial role in turbine preliminary design, which strongly affects the turbine performance. A new tip leakage loss model for unshrouded turbine is developed in ...
Film Cooling Performances Under Various Upstream Roughness Conditions: Experimental Investigations and Similarity Hypothesis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Roughness caused by deposition, erosion, and additive manufacturing can significantly affect gas turbine efficiency. Previous research has often examined film cooling performance under limited roughness configurations, ...