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RISThe Combined Effects of an Upstream Ramp and Swirling Coolant Flow on Film Cooling Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an experimental investigation on the performances of a new film cooling structure design, in which a ramp is placed upstream of a cylindrical film hole and a cylindrical cavity with two diagonal impingement ...
A Fundamental Study on the Chemical Stability of La1−xSrxCo0.2Fe0.8O3−δ Cathodes for Intermediate Temperature Solid Oxide Fuel Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The chemical stability of La1−xSrxCo0.2Fe0.8O3−δ (x = 0, 0.4, 0.6, and 1) oxides before and after annealing at 750 °C in air is investigated by field emission scanning electron microscopy (SEM), X-ray photoelectron ...
Overall Cooling Performance of Convex Surfaces Protected by Combined Film Cooling and Thermal Barrier Coatings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. While the film-cooling characteristics of surfaces coated with thermal barrier coatings (TBCs) have been extensively studied, research on the associated conjugate heat transfer under the constraint of airfoil ...
Numerical Investigation of Effects of Blockage, Inclination Angle, and Hole-Size on Film Cooling Effectiveness at Concave Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film-hole can be often blocked by thermal-barrier coatings (TBCs) spraying, resulting in the variations of aerodynamic and thermal performances of film cooling. In this study, a numerical study of the blockage effect on ...