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RISSimulation Study of the Mechanical Properties of Hollow Rock Masses under Varying Aperture Angles and Confining Pressures
Publisher: American Society of Civil Engineers
Abstract: Abstract To reveal the fracture evolution characteristics and micromechanical mechanisms of
variable-aperture hollow rock masses, hollow cylindrical samples with three types
of variable-aperture angles were designed using ...
Study on the Burst Failure Mechanism and Residual Strength of Casing With Compound Wear Based on Extended Finite Element Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the data of wear casing for ShunNan 501 well in Northwest oilfield and the stress–strain intrinsic relationship of P110 tubing, a two-dimensional mechanical model of casing with compound wear is established by ...
Improving Flood-Risk Analysis for Confluence Flooding Control Downstream Using Copula Monte Carlo Method
Publisher: American Society of Civil Engineers
A Study on Stress Corrosion Crack of Thick Walled Elbow in Manifold for Acid Fracturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Acid fracturing, with a pumping pressure up to 140 MPa for fractural liquid injection, is commonly used in enhanced oil recovery. Subjected to severely high hoop stress, stress corrosion cracking (SCC) often occurs at ...
Multivariate Frequency Analysis of Annual Maxima Suspended Sediment Concentrations and Floods in the Jinsha River, China
Publisher: ASCE
Abstract: Streamflow plays a critical role in sediment transport. Traditional frequency analysis of annual maximal (AM) suspended sediment concentrations (SSCs) is usually based on univariate distribution of SSCs and may provide a ...
Coincidence Risk Analysis of Floods Using Multivariate Copulas: Case Study of Jinsha River and Min River, China
Publisher: American Society of Civil Engineers
Abstract: The coincidence of floods on a mainstem and its tributaries may cause significant flood damage downstream of the confluence. In this study, the coincidence risks of annual maximum (AM) floods on Jinsha River and Min River, ...
Traveling of Oscillating Vortices and Its Thermal Effects in a Bending Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Driven by the periodical reverse of flow orientation, vortices in oscillatory flow induce a local high-speed and low-pressure flow region near the wall, which brings complex physical phenomena to viscous dissipation and ...
Optimization Analysis of Two-Phase Flow Distributor for Multichannel Heat Exchanger
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The flow maldistribution in plate heat exchangers (PHEs) is serious, which hinders efficient operation. In this study, a multichannel two-phase flow model in porous media is established, and flow maldistribution ...
Evaluation of Protective La0.67Sr0.33MnO3–خ´ Coatings on Various Stainless Steels Used for Solid Oxide Fuel Cell Interconnects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Four metallic alloys, namely 2205 duplex stainless steel (2205DSS), ZMG232, and stainless steels SS430 and SS304 are investigated for use as interconnects in solid oxide fuel cells (SOFCs). A La0.67Sr0.33MnO3–خ´ (LSMO) ...