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Direct and Inverse Model for Single-Hole Film Cooling With Machine Learning
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The direct prediction model for adiabatic film cooling effectiveness distribution and inverse prediction model for design parameters are studied in this article. Convolutional neural networks (CNNs) are trained on a set ...
Effects of Reynolds Number and Tooth Front Angle on Leakage Loss and Heat Transfer Characteristics in a Rotating Labyrinth Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The labyrinth seal is effective in reducing leakage losses at the rotor blade top in the turbine. This study investigates the variation in labyrinth seal performance at different rotational speeds, different Reynolds ...
Heat Transfer Characteristics in a Rotating Pin Finned Duct With Different Protrusion Locations
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The heat transfer in a pin finned duct is augmented by the protrusion in this study. The realizable k–ε turbulence model coupled with the enhanced wall function is used to obtain the flow structure and heat transfer ...
Film Cooling in the Cutback for Trailing Edge With Different Incident Angles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The cutback film cooling was important to decrease the trailing edge temperature and prolong the working life of gas turbines. Many investigations concerning cutback film cooling have already been done. However, only a few ...
Aero-Thermal Calculations for a Rotor Blade With Different Dimple and Protrusion Arrangements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents an investigation of dimples and protrusions arranged on the end wall of a rotor blade to enhance heat transfer. This study explores three arrangements of dimples and protrusions relative to the pin-fins, ...
Design of Full-Scale Endwall Film Cooling of a Turbine Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Endwall film cooling is a significant cooling method to protect the endwall region and the junction region of endwall and a turbine vane, where usually a relatively high temperature load exists. This work aims to find the ...
Short-Term Traffic Flow Forecasting Based on Combination of K-Nearest Neighbor and Support Vector Regression
Publisher: American Society of Civil Engineers
Abstract: To improve the forecasting accuracy of short-term traffic flow and provide precise and reliable traffic information for traffic management units and travelers, this study proposes a hybrid prediction model that is based ...
Flow Structure and Heat Transfer Characteristics of a Rectangular Channel With Pin Fins and Dimples With Different Shapes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, numerical simulations are conducted to investigate the effects of pin fin and dimple shape on the flow structure and heat transfer characteristics in a rectangular channel. The studied shapes for dimple and ...
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