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RISImproved Spatiotemporal Distributions of Sweeping Jet Film Cooling With a Shaped Exit Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sweeping jet (SJ) is a self-excited flow control device that can generate continuous and periodic flow, which makes it a promising geometry for film cooling. However, the cooling performance of current SJ configurations ...
Enhanced Antideposition Performance of Film Cooling With a Shaped Sweeping Jet Hole
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Shaped sweeping jet (SSJ) holes represent an advancement in sweeping jet (SJ) technology, as they offer enhanced cooling performance. To reveal the antideposition capabilities of SSJs, particle deposition results of ...
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, ...
Using Data Assimilation to Improve Turbulence Modeling for Inclined Jets in Crossflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Data assimilation (DA) integrating limited experimental data and computational fluid dynamics is applied to improve the prediction accuracy of flow and mixing behavior in inclined jet-in-crossflow (JICF). The ensemble ...