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RISDetermination of a Local Bulk Temperature Based Heat Transfer Coefficient for the Wetted Surfaces in a Single Inline Row Impingement Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High performance turbine airfoils are typically cooled with a combination of internal cooling channels and impingement. In such applications, the jets impinge against a target surface, and then ...
Fluid Flow and Heat Transfer in Rotating Curved Duct at High Rotation and Density Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Prediction of flow field and heat transfer of high rotation numbers and density ratio flow in a square internal cooling channels of turbine blades with U-turn as tested by (ASME J. Turbomach., ...
Experimental Determination of Transition to Turbulence in a Rectangular Channel With Eddy Promoters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We report on laminar-to-turbulent transition in a rectangular channel in the presence of periodically placed cylindrical eddy promoters. Transition is identified through the analysis of power ...
Optimization of a Phase Change Thermal Storage Unit
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Several options exist to collect thermal energy from the sun for domestic use. This study examines a system integrating evacuated tube collectors with heat pipes with a storage unit using ...
Air Extraction in a Gas Turbine for Integrated Gasification Combined Cycle (IGCC): Experiments and Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an investigation of extracting air from the compressor discharge of a heavy-frame gas turbine. The study aimed to verify results of an approximate analysis: whether extracting ...
An Experimental/Computational Study of Airflow in the Combustor–Diffuser System of a Gas Turbine for Power Generation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an experimental/computational study of cold flow in the combustor–diffuser system of industrial gas turbines employing can-annular combustors and impingement-cooled transition ...
Heat Transfer and Friction Augmentation in High Aspect Ratio, Ribbed Channels With Dissimilar Inlet Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work is an investigation of the heat transfer and pressure-loss characteristics in a rectangular channel with ribs oriented perpendicular to the flow. The novelty of this study lies in ...
Experimental Studies of Air Extraction for Cooling and/or Gasification in Gas Turbine Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an experimental study on how the flow field inside the dump diffuser of an industrial gas turbine is affected by air extraction through a single port on the shell around ...
A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Three Dimple Geometries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study presents an investigation of the heat transfer augmentation for the purpose of obtaining high effectiveness recuperative heat exchangers for waste heat recovery. The focus of the ...
Effect of Air Extraction for Cooling and/or Gasification on Combustor Flow Uniformity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Reducing emissions is an important issue facing gas turbine manufacturers. Almost all of the previous and current research and development for reducing emissions has focused, however, on flow, ...