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RISUsing Mechanical Reliability in Multiobjective Optimal Meter Placement for Pipe Burst Detection
Publisher: American Society of Civil Engineers
Abstract: A multiobjective optimal meter placement (MOMP) model is proposed for water distribution system (WDS) pipe burst detection to (1) minimize the normalized total meter cost, (2) maximize the detection probability, ...
Water Distribution System Design to Minimize Costs and Maximize Topological and Hydraulic Reliability
Publisher: American Society of Civil Engineers
Abstract: Many surrogate measures for water distribution system (WDS) reliability have been introduced in the last three decades. This study investigated the differences between designs based on topological and hydraulic reliabilities. ...
A Novel Adiabatic Pipe Flow Equation for Ideal Gases
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compressible flow involves variation in the density with changes in pressure and temperature along the pipe length. This article revisits the conventional adiabatic pipe flow equation and finds ...
Threshold of Basin Discretization Levels for HSPF Simulations with NEXRAD Inputs
Publisher: American Society of Civil Engineers
Abstract: Basin discretization effects in HSPF simulations were investigated to provide useful insights for hydrologists to determine the proper catchment size for basin scale modeling. The next generation radar (NEXRAD) rainfall ...
Robustness to Uncertainty: An Alternative Perspective in Realizing Uncertainty in Modeling Deflection of Reinforced Concrete Structures
Publisher: American Society of Civil Engineers
Abstract: This paper describes an alternative perspective in evaluating of computational models for predicting deflection of cracked reinforced concrete (RC) structures. The concept of robustness to uncertainty in modeling input ...
La0.8Sr0.2Co1−xMnxO3 Cathode and Its Application to Metal-Supported Solid Oxide Fuel Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cathode properties of La0.8Sr0.2Co1−xMnxO3 (LSCM) perovskite oxides were investigated for their application to metal-supported solid oxide fuel cells (SOFCs). La0.8Sr0.2Co0.4Mn0.6O3 (LSCM-8246) had ...
Polarization Resistances of (Ln1−xSrx)CoO3 (Ln=Pr, Nd, Sm, and Gd x=0, 0.3, 0.5, 0.7, and 1) as Cathode Materials for Intermediate Temperature-operating Solid Oxide Fuel Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focuses on cathode performances of (Ln1−xSrx)CoO3−δ (Ln=Pr, Nd, Sm, and Gd, x=0, 0.3, 0.5, 0.7, and 1) for intermediate temperature-operating solid oxide fuel cells (IT-SOFCs, ...
Bearing Replacement for Prestressed Concrete I-Girder Bridges
Publisher: American Society of Civil Engineers
Abstract: This paper deals with the jacking procedure for the replacement of prestressed concrete I-girder bearings, without damaging the superstructure. The finite-element method-based analysis procedure to compute the jacking force ...
Condition Monitoring of a Nuclear Power Plant Check Valve Based on Acoustic Emission and a Neural Network
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The analysis of acoustic emission (AE) signals produced during object leakage is promising for condition monitoring of the components. In this study, an advanced condition monitoring technique ...
Nondestructive Integrity Evaluation of Soil Nails Using Longitudinal Waves
Publisher: American Society of Civil Engineers
Abstract: Structural failures of soil-nailed structures occasionally occur due to the poor integrity of soil nails. The objective of this study was to evaluate soil nail integrity by estimating the installed length and grouted ratio ...