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RISAnalysis of Performance and Thermal-Fluid Characteristics in a Planar Type Solid Oxide Fuel Cell
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work studied internal loss factors (flow rate, pressure, partial pressure, voltage, current, temperature, etc.) in a unit cell and stack of solid oxide fuel cells (SOFC) with different ...
Computer Simulation of Rapid Granular Flow Through an Orifice
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rapid granular flow through an orifice (nozzle-shaped flow restrictor) located at the bottom of a vertical tube has been studied using three-dimensional direct computer simulation with the purpose ...
Wave Propagation in Rapid Granular Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Onedimensional wave propagation in granular flow has been investigated using a threedimensional discrete element model (DEM). Cohesionless, dry, smooth, elastic, hard spheres are randomly distributed in a cylinderpiston ...
Identifying Workers’ Safety Behavior–Related Personality by Sensing
Publisher: ASCE
Abstract: Many construction accidents are caused by workers’ unsafe behavior, and evidence suggests that individuals who are not sensitive to risks are accident-prone. Therefore, identifying workers with certain personal characteristics ...
Flexural Design of Reinforced Concrete Frames by Genetic Algorithm
Publisher: American Society of Civil Engineers
Abstract: A genetic algorithm is used to perform the discrete optimization of reinforced concrete plane frames subject to combinations of gravity loads and lateral loads. Difficulties in finding optimum sections from a semi-infinite ...
Integration Modeling Framework for Estimating Mobile Source Emissions
Publisher: American Society of Civil Engineers
Abstract: Transportation network improvements are commonly evaluated by estimating average speeds from a transportation/traffic model and converting them into emission estimates using an environmental model such as MOBILE or EMFAC. ...
Trajectory Optimization of a Launch Vehicle with Explicit Instantaneous Impact Point Constraints for Various Range Safety Requirements
Publisher: American Society of Civil Engineers
Abstract: This paper proposes a new trajectory optimization approach that can directly handle the range safety for launch operations. An analytic solution for an instantaneous impact point (IIP) of a vehicle is introduced and used ...
Closure to “Estimating Vehicle Fuel Consumption and Emissions based on Instantaneous Speed and Acceleration Levels” by Kyoung Ahn, Hesham Rakha, Antonio Trani, and Michel Van Aerde
Publisher: American Society of Civil Engineers
Understanding Occupants’ Physical Distancing Behavior for Safer Facility Operation under COVID-19 in the Context of Educational Facilities
Publisher: ASCE
Abstract: As the COVID-19 pandemic continues, the role of facility managers in controlling and limiting the spread of the virus among facility occupants is critical. To enable facility managers to design and evaluate the effectiveness ...
Hybrid Statistical Process Control Method for Water Distribution Pipe Burst Detection
Publisher: American Society of Civil Engineers
Abstract: Statistical process control (SPC) identifies any nonrandom patterns in the system output variables of a water distribution system (WDS) by comparing them to their normal historic mean and variance. While each SPC method ...