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RISStochastic Analysis of Seepage under Hydraulic Structures Resting on Anisotropic Heterogeneous Soils
Publisher: American Society of Civil Engineers
Abstract: This research investigated the confined flow under hydraulic structures. The hydraulic conductivity of the soil was modeled as a spatially random field, which followed a lognormal distribution. Only porous media that have ...
Saturated-Unsaturated Flow through Leaky Dams
Publisher: American Society of Civil Engineers
Abstract: This research investigated seepage flow through leaky dams using the well known finite-element method. Different areas, locations, and hydraulic conductivities of leaks were examined. An area of leak, equal to 4.4% of the ...
Nonlinear Breakup Model for a Liquid Sheet Emanating From a Pressure-Swirl Atomizer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Predictions of breakup length of a liquid sheet emanating from a pressure-swirl (simplex) fuel atomizer have been carried out by computationally modeling the two-phase flow in the atomizer coupled ...
Advanced Quasi Steady State Approximation for Chemical Kinetics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The computational feasibility of many systems with large degrees of freedom such as chemically reacting systems hinges on the reduction of the set to a manageable size with a minimal loss of relevant information. Several ...
Three-Dimensional Analysis of Seepage below and around Hydraulic Structures
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the problem of seepage under the floor of hydraulic structures considering the compartment of flow that seeps through the surrounding banks of the canal. A computer program, utilizing a finite-element ...
Development and Validation of Finite Element Structure Tuned Liquid Damper System Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Implementation of supplemental damping systems (e.g., the dynamic vibration absorbers (DVAs)) to mitigate excessive tall building vibrations induced by external dynamic loads (wind storms or earthquakes) has increased over ...
Discrete Systems: Analysis, Control and Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Evolution of NACA23012 Wake Vortices Structure Using PIV
Publisher: American Society of Civil Engineers
Abstract: The formation and development of a wing-tip vortex in a near and extended near field were studied experimentally. A swept-back tapered wing with a NACA23012 cross-section was used as a vortex generator. Particle image ...
Numerical Study of the Effect of Spoiler Configuration on Wake Vortex Alleviation
Publisher: American Society of Civil Engineers
Abstract: A numerical investigation was undertaken to evaluate the capabilities of a differential spoiler setting (DSS) in modifying the spanwise wing load and reducing the hazard of wake vortices imposed on a following aircraft. ...
Experimental and Optimization Modeling of Room-Cured Alkali-Activated Binder Derived from Discarded Limestone Powder
Publisher: American Society of Civil Engineers
Abstract: A novel attempt was made in this study to activate discarded limestone powder (DLSP), mostly comprising crystalline CaCO3. The key mix design parameters were varied to obtain superior strength and workability. For this ...