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RISTransient Method for Convective Heat Transfer Measurement With Lateral Conduction—Part I: Application to a Deposit-Roughened Gas Turbine Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of lateral conduction on convective heat transfer measurements using a transient infrared technique over a rough surface is evaluated. The rough surface is a scaled model of gas ...
A Review of Surface Roughness Effects in Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of surface roughness on gas turbine performance are reviewed based on publications in the open literature over the past 60 years. Empirical roughness correlations routinely employed ...
St and cf Augmentation for Real Turbine Roughness With Elevated Freestream Turbulence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental measurements of skin friction (cf) and heat transfer (St) augmentation are reported for low speed flow over turbine roughness models. The models were scaled from surface measurements ...
Thermo-Fluid-Coupled Analysis of Double Fillet Welds on Tube Membrane Panels During Submerged Arc Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this research is to understand the formation of double fillet welds using finite element modeling. This computational study is intended to be an advanced way to predict heat transfer mechanisms in the melt ...
Critical Project Management Knowledge and Skills for Managing Projects with Smart Technologies
Publisher: ASCE
Abstract: Smart technologies in the Fourth Industrial Revolution can improve the performance of the construction industry with corresponding changes to project manager’s knowledge and skills. This study investigated the impact of ...
An Improved Particle Impact Model by Accounting for Rate of Strain and Stochastic Rebound
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A methodology for informing physics-based impact and deposition models through the use of novel experimental and analysis techniques is presented. Coefficient of restitution (CoR) data were obtained for Arizona Road Dust ...
Challenges Associated With Replicating Rotor Blade Deposition in a Non-Rotating Annular Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computational analysis is performed to determine if particulate impact events on the external surfaces of gas turbine engine rotor blades can be faithfully replicated in an experimental rotor cascade. The general electric ...
Trust-Building Framework with Technological Competency for Virtual Project Teams: Changes in Importance of Influencing Factors
Publisher: American Society of Civil Engineers
Abstract: AbstractWith the extensive adoption of virtual project teams (VPTs) in the built environment
industry, trust-building in VPTs has gained increasing attention. However, current
research, to our best knowledge, has lacked a ...
Modeling Deposition in Gas Turbines With Conjugate Mesh-Morphing and Temperature Sensitivity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. A versatile procedure is presented for simulating the growth and thermal impact of deposition in representative gas turbine cooling circuits. The methodology comprises the following sequence: (1) employ computational ...
Separated Flow Transition on an LP Turbine Blade With Pulsed Flow Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow measurements were made on a highly loaded low pressure turbine blade in a low-speed linear cascade facility. The blade has a design Zweifel coefficient of 1.34 with a peak pressure ...