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RISNumerical Prediction of Turbulent Flow and Heat Transfer Enhancement in a Square Passage With Various Truncated Ribs on One Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Repeated ribs are often employed in the midsection of internal cooling passages of turbine blades to augment the heat transfer by air flowing through the internal ribbed passages. Though the research of flow structure and ...
Computational Fluid Dynamics Modeling Flow Field and Side Wall Heat Transfer in Rectangular Rib Roughened Passages
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to achieve higher thermal efficiency and power output, the gas turbine inlet temperature of gas turbine engine is continuously increased. However, the increasing temperature may exceed the melting point of the ...
Comparative Study of Thermal Performance of Longitudinal and Transversal Wavy Microchannel Heat Sinks for Electronic Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Liquid cooling incorporating microchannels are used to cool electronic chips in order to remove more heat load. However, such microchannels are often designed to be straight with rectangular cross section. In this paper, ...
Optimization Design and Analysis of Multilayer Lightweight Thermal Protection Structures Under Aerodynamic Heating Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of thermal protection system (TPS) is to maintain the structural temperature of the hypersonic aircraft within acceptable limits due to intense aerodynamic heating during reentering earth's atmosphere. In the ...
Computational Study and Optimization of Laminar Heat Transfer and Pressure Loss of Double Layer Microchannels for Chip Liquid Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem involved in the increase of the chip output power of highperformance integrated electronic devices is the failure of reliability because of excessive thermal loads. This requires advanced cooling methods to be ...
Multiconfiguration Shape Optimization of Internal Cooling Systems of a Turbine Guide Vane Based on Thermomechanical and Conjugate Heat Transfer Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study concerns optimization of shapes, locations, and dimensions of internal cooling passages within a turbine vane under severe environments. The basic aim is to achieve a design that minimizes the average temperature ...