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RISExperimental and Numerical Study of Mass/Heat Transfer on an Airfoil Trailing-Edge Slots and Lands
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Proper cooling of the airfoil trailing edge is imperative in gas turbine designs since this area is often one of the life limiting areas of an airfoil. A common method of providing thermal ...
Experimental and Numerical Study of Impingement on an Airfoil Leading Edge With and Without Showerhead and Gill Film Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This experimental investigation deals with impingement on the leading edge of an airfoil with and without showerhead film holes and its effects on heat transfer coefficients on the airfoil nose ...
Experimental and Numerical Cross-Over Jet Impingement in an Airfoil Trailing-Edge Cooling Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Trailing edge cooling cavities in modern gas turbine airfoils play an important role in maintaining the trailing-edge temperature at levels consistent with airfoil design life. In this study, ...
45 deg Staggered Rib Heat Transfer Coefficient Measurements in a Square Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For high-blockage ribs with large heat transfer areas, commonly used in small gas turbine blades, the rib heat transfer is a significant portion of the overall heat transfer in the cooling ...
45 deg Round-Corner Rib Heat Transfer Coefficient Measurements in a Square Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cooling channels, roughened with repeated ribs, are commonly employed as a means of cooling turbine blades. The increased level of mixing induced by these ribs enhances the convective heat ...
Experimental and Numerical Impingement Heat Transfer in an Airfoil Leading-Edge Cooling Channel With Cross-Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To enhance the internal heat transfer around the airfoil leading-edge area, a combination of rib-roughened cooling channels, film cooling, and impingement cooling is often employed. Experimental ...
Experimental and Numerical Investigation of Impingement on a Rib-Roughened Leading-Edge Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effective cooling of the airfoil leading edge is imperative in gas turbine designs. Among several methods of cooling the leading edge, impingement cooling has been utilized in many modern ...
Rib Heat Transfer Coefficient Measurements in a Rib-Roughened Square Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Three staggered 90 deg rib geometries corresponding to blockage ratios of 0.133, 0.167, and 0.25 were tested for pitch-to-height ratios of 5, 8.5, and 10, and for two distinct thermal boundary ...
An Experimental Investigation of the Rib Surface-Averaged Heat Transfer Coefficient in a Rib-Roughened Square Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Turbine blade cooling, a common practice in modern aircraft engines, is accomplished, among other methods, by passing the cooling air through an often serpentine passage in the core of the ...
Low-Aspect-Ratio Rib Heat Transfer Coefficient Measurements in a Square Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cooling channels, roughened with repeated ribs, are commonly employed as a means of cooling turbine blades. The increased level of mixing induced by these ribs enhances the convective heat ...