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RISFlow 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 ...
Technical Brief: Predictions of Flow Field for Circular-Disk Bluff-Body Stabilized Flame Investigated by Large Eddy Simulation and Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of the current work is to shed light on simulating the flow features of nonpremixed flame stabilized by a circular-disk bluff-body with large eddy simulation technique. Two subgrid ...
An Experimental and Numerical Study of Flow and Heat Transfer in Channels With Pin Fin-Dimple Combined Arrays of Different Configurations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental and numerical study was conducted to investigate the flow and heat transfer characteristics in channels with pin fin-dimple combined arrays of different configurations, where dimples ...
Modeling of a Cartwheel Flexural Pivot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A cartwheel flexural pivot has a small center shift as a function of loading and ease of manufacturing. This paper addresses an accurate model that includes the loading cases of a bending ...
Modeling and Analysis of a Precise Multibeam Flexural Pivot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The center shift, a common problem existing in rotating flexural pivots, is diminished in a multibeam flexural pivot by the internal interaction among these beams. The objectives of this paper are to develop a model for ...
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 ...
Mechanism Analysis of Falling Film Evaporation Two-Phase Flow in Narrow Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As an efficient heat and mass transfer technology, falling film evaporation has attracted more and more scholars' attention. In this paper, a falling film evaporation platform was established to discuss the mechanism of ...
Design of a Family of Ultra-Precision Linear Motion Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The parasitic motion of a parallel four-bar mechanism (PFBM) is undesirable for designers. In this paper, the rigid joints in PFBM are replaced with their flexural counterparts, and the center ...
A Novel Family of Leaf-Type Compliant Joints: Combination of Two Isosceles-Trapezoidal Flexural Pivots
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The leaf-type isosceles-trapezoidal flexural (LITF) pivot consists of two compliant beams and two rigid bodies. For a single LITF pivot, the range of motion is small while the center-shift is ...
The Stiffness Model of Leaf-Type Isosceles-Trapezoidal Flexural Pivots
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A leaf-type isosceles-trapezoidal flexural pivot can be of great practical use for designing compliant mechanisms. The analysis of load-deflection behavior for such a pivot is essential to the ...