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Improved Understanding of Blow-Down in Filament Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Brush seals are used to provide flow resistance between rotating and stationary components in gas turbines. Compliant filament seals, such as brush seals, exhibit a phenomenon called blow-down, ...
Detailed Heat Transfer Measurements in a Model of an Integrally Cast Cooling Passage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Detailed measurements of the heat transfer coefficient (htc) distributions on the internal surfaces of a novel gas turbine blade cooling configuration were carried out using a transient liquid ...
Enhancement of Impingement Cooling in a High Cross Flow Channel Using Shaped Impingement Cooling Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Impingement systems are common place in many turbine cooling applications. Generally these systems consist of a target plate that is cooled by the impingement of multiple orthogonal jets. While ...
A Novel Transient Liquid Crystal Technique to Determine Heat Transfer Coefficient Distributions and Adiabatic Wall Temperature in a Three-Temperature Problem
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient liquid crystal techniques are widely used for experimental heat transfer measurements. In many instances it is necessary to model the heat transfer resulting from the temperature ...
Computational Modeling of Tip Heat Transfer to a Superscale Model of an Unshrouded Gas Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Control of over-tip leakage flow between turbine blade tips and the stationary shroud is one of the major challenges facing gas turbine designers today. The flow imposes large thermal loads ...