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RISExperimental Study of Surface Roughness Effects on a Turbine Airfoil in a Linear Cascade— Part I: External Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present experimental study is part of a comprehensive heat transfer analysis on a highly loaded low pressure turbine blade and endwall with varying surface roughness. Whereas a former paper ...
Experimental Study of Surface Roughness Effects on a Turbine Airfoil in a Linear Cascade— Part II: Aerodynamic Losses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present experimental study is part of a comprehensive analysis accounting for heat transfer and aerodynamic losses on a highly loaded low pressure turbine blade with varying surface roughness. ...
Trailing Edge Film Cooling of Gas Turbine Airfoils—External Cooling Performance of Various Internal Pin Fin Configurations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper describes an experimental study on trailing edge film cooling of modern high pressure turbine blades using coolant ejection through planar slots on a pressure side cutback. ...
Modeling of Rough-Wall Boundary Layer Transition and Heat Transfer on Turbine Airfoils
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new model for predicting heat transfer in the transitional boundary layer of rough turbine airfoils is presented. The new model makes use of extensive experimental work recently published by ...
Film Cooling Effectiveness and Heat Transfer on the Trailing Edge Cutback of Gas Turbine Airfoils With Various Internal Cooling Designs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study deals with trailing edge film cooling on the pressure side cutback of gas turbine airfoils. Before being ejected tangentially onto the inclined cut-back surface the coolant ...
Detached Eddy Simulation of Film Cooling Performance on the Trailing Edge Cutback of Gas Turbine Airfoils
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study deals with the unsteady flow simulation of trailing edge film cooling on the pressure side cut back of gas turbine airfoils. Before being ejected tangentially on the inclined ...
A Finite Element Treatment of the Angular Dependency of the Even-Parity Equation of Radiative Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present article introduces a new method to solve the radiative transfer equation (RTE). First, a finite element discretization of the solid angle dependence is derived, wherein the coefficients ...
Extended Models for Transitional Rough Wall Boundary Layers With Heat Transfer—Part I: Model Formulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two extended models for the calculation of rough wall transitional boundary layers with heat transfer are presented. Both models comprise a new transition onset correlation, which accounts for ...
Extended Models for Transitional Rough Wall Boundary Layers With Heat Transfer—Part II: Model Validation and Benchmarking
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two extended models for the calculation of rough wall transitional boundary layers with heat transfer are presented. Both models comprise a new transition onset correlation, which accounts for ...
Impact of Swirl Flow on the Cooling Performance of an Effusion Cooled Combustor Liner
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study on combustor liner cooling of modern direct lean injection combustion chambers using coolant ejection from both effusion cooling holes and a starter film has been conducted. ...