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RISEffects of Reynolds Number and Freestream Turbulence on Turbine Tip Clearance Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tip clearance losses represent a major efficiency penalty of turbine blades. This paper describes the effect of tip clearance on the aerodynamic characteristics of an unshrouded axial-flow turbine ...
Unsteady Flow Field of an Axial-Flow Turbine Rotor at a Low Reynolds Number
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The unsteady flow field of an annular turbine rotor was investigated experimentally using a laser Doppler velocimetry (LDV) system. Detailed measurements of the time-averaged and time-resolved ...
Limits to Deflected Shape Assumptions of the SDOF Methodology for Analyzing Structural Components Subject to Blast Loading
Publisher: American Society of Civil Engineers
Abstract: This paper examines the deflected shape assumptions built into the single-degree-of-freedom (SDOF) methodology used for analyzing structural components subject to blast loading. Design professionals use the SDOF models to ...
A Study of the Durability of a Paper-Based Friction Material Influenced by Porosity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The friction performance and thermal resistance of paper-based oil immersed friction materials are influenced by the material structure formed as a result of the combination of porosity and ...
An Experimental Study on Heat Transfer Around Two Side-by-Side Closely Arranged Circular Cylinders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper describes heat transfer around two side-by-side closely arranged circular cylinders. The flows around two circular cylinders in a side-by-side arrangement can be classified into ...
Creep Life Prediction Based on Stochastic Model of Microstructurally Short Crack Growth
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A nondimensional model of microstructurally short crack growth in creep is developed based on a detailed observation of the creep fracture process of 304 stainless steel. In order to deal with ...
Experimental Investigation of Size Effects of FCC Polycrystal by Shear Banding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Several plasticity phenomena display a size effect where the smaller the size is the stronger its response. This effect relates to the plastic gradients, appearing in plastically inhomogeneous ...
Hysteresis Curve in Reproduction of Reynolds’ Color-Band Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article describes the reproduction and extended analysis of Reynolds’ color-band experiment. Reynolds found two critical Reynolds numbers (Rc) in pipe flows: Rc1 of 12,830 from laminar to ...
One-Equation Subgrid Scale Model Using Dynamic Procedure for the Energy Production
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The transport equation of subgrid scale (SGS) kinetic energy, KSGS, is used for the large-eddy simulation (LES), considering its consistency with dynamic procedure. The dynamically determined ...
Bayesian Updating of Model Parameters by Iterative Particle Filter with Importance Sampling
Publisher: ASCE
Abstract: Data assimilation with a particle filter (PF) has attracted attention for use in Bayesian updating. However, PFs have a problem known as degeneracy, where weights tend to concentrate into only a few particles after a few ...