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Flow and Heat Transfer Characteristics in Latticework Cooling Channels With Dimple Vortex Generators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A comparative experimental and numerical study has been conducted on the flow and heat transfer characteristics in a latticework cooling channel with Ushaped subchannels combined with dimple vortex generators over the ...
Multi-Objective Optimization of the Impingement-Film Cooling Structure of a Gas Turbine Endwall Using Conjugate Heat Transfer Simulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses the approach of cooling design optimization of a high-pressure turbine (HPT) endwall with applied 3D conjugate heat transfer (CHT) computational fluid dynamics (CFD). This study involved the optimization ...
Experimental Study on Instability Characteristics of Low-Swirl Flames in a Multinozzle Combustor With Different Swirling Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents experimental study on self-excited combustion instability characteristics of premixed low-swirl flames in a multinozzle can combustor with counterswirl and coswirl arrays. Experiments were carried out ...
Geometrical Optimization and Experimental Validation of a Tripod Film Cooling Hole With Asymmetric Side Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A tripod cylindrical film hole with asymmetric side holes is studied numerically and experimentally on a flat plate for higher film cooling effectiveness. First, the influences of geometrical parameters are studied and the ...
Acoustic Diagnostics Applications in the Study of the Oscillation Combustion in Lean Premixed Pre-Evaporation Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper presents an experimental investigation of the thermoacoustic oscillations detection in a lean premixed pre-evaporation (LPP) combustor using acoustic signals. The LPP model combustion chamber oscillation combustion ...
Multidisciplinary Prediction of Spatial–Temporal Evolution of Creep Damage on an Internally Cooled Turbine Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the main causes of damage to gas turbine nozzle guide vanes (NGVs) is creep, which threatens the safety and reliability of gas turbines. Although creep life prediction has been applied to design and maintenance, ...
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