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RISDetermination of Turbulent Prandtl Number for Thermal Fluid Dynamics Simulation of HVAC Unit by Data Assimilation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Regarding high-precision temperature field prediction of a heating ventilation and air conditioning (HVAC) unit using thermal fluid dynamics simulation, the determination of the turbulent Prandtl number (Prt) was a key ...
Spectral Clustering and Multicriteria Decision for Design of District Metered Areas
Publisher: American Society of Civil Engineers
Abstract: The design of district metered areas (DMAs) has many factors to be considered to reduce the adverse effect of the closure of valves. A three-step methodology for DMA design is proposed based on spectral clustering algorithm ...
Iterative Methodology of Pressure-Dependent Demand Based on EPANET for Pressure-Deficient Water Distribution Analysis
Publisher: American Society of Civil Engineers
Abstract: Traditional water distribution simulations, known as demand-driven analysis (DDA), are normally analyzed under the assumption that nodal demands are known and satisfied. The DDA is valid under normal conditions and in ...
Free Vibration of a Fluid Loaded Ring Stiffened Conical Shell With Variable Thickness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical method is presented for the free vibration of a fluid loaded (submerged) ringstiffened conical shell with variable thickness in the low frequency range. Based on the Flأ¼gge theory and equivalent method of ...
Stationary Response Probability Distribution of SDOF Nonlinear Stochastic Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There has been no significant progress in developing new techniques for obtaining exact stationary probability density functions (PDFs) of nonlinear stochastic systems since the development of the method of generalized ...
Model-Based Coarse-Fine Virtual Calibration and Visual Servo for Augmented Reality-Assisted Peg-in-Hole Microassembly
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional (3D)-virtual calibration and visual servo are implemented for augmented reality (AR)-assisted peg-in-hole microassembly operations. By employing 3D model and ray casting, the 3D coordinates on virtual ...
Keying Process of the OmniMax Anchor Shallowly Embedded in Undrained Normally Consolidated Clay
Publisher: American Society of Civil Engineers
Abstract: The OmniMax anchor is an efficient anchoring foundation due to its dynamic installation and diving property. When subjected to pullout loading, the anchor is keyed to a new orientation and position to provide holding ...
Rheological Characteristics of Polyphosphoric Acid–Modified Asphalt Mastic
Publisher: American Society of Civil Engineers
Abstract: In this study, a dynamic shear rheometer (DSR) and bending beam rheometer (BBR) were employed to characterize the rheological properties of asphalt modified with polyphosphoric acid (PPA) and containing different mineral ...
Three-Dimensional Inflation Response of Porcine Optic Nerve Head Using High-Frequency Ultrasound Elastography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Characterization of the biomechanical behavior of the optic nerve head (ONH) in response to intraocular pressure (IOP) elevation is important for understanding glaucoma susceptibility. In this study, we aimed to develop ...
Mechanical Deformation of Peripapillary Retina in Response to Acute Intraocular Pressure Elevation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Elevated intraocular pressure (IOP) may cause mechanical injuries to the optic nerve head (ONH) and the peripapillary tissues in glaucoma. Previous studies have reported the mechanical deformation of the ONH and the ...