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Particulate Matter Sensors Mounted on a Robot for Environmental Aerosol Measurements
Publisher: American Society of Civil Engineers
Abstract: In recent years, miniaturized particulate matter (PM) sensors have been studied intensively as an alternative device for air quality measurement due to their price advantage, moderate accuracy, and portable size. The ...
Framework for Evaluating the Impact of Water Chemistry Changes in Full-Scale Drinking Water Distribution Networks on Lead Concentrations at the Tap
Publisher: ASCE
Abstract: Release of lead (Pb) in drinking water from lead service lines has been extensively studied in single pipes, and the importance of water chemistry has been reported. However, the impact of variations in water chemistry ...
Real-Time Identification of Cyber-Physical Attacks on Water Distribution Systems via Machine Learning–Based Anomaly Detection Techniques
Publisher: American Society of Civil Engineers
Abstract: Smart water infrastructures are prone to cyber-physical attacks that can disrupt their operations or damage their assets. An algorithm was developed to identify suspicious behaviors in the different cyber-physical components ...
2D Variably Saturated Flows: Physical Scaling and Bayesian Estimation
Publisher: American Society of Civil Engineers
Abstract: A novel dimensionless formulation for water flow in two-dimensional variably saturated media is presented. It shows that scaling physical systems requires conservation of the ratio between capillary forces and gravity ...
Modeling Substrate Transport into Biofilms: Role of Multiple Ions and pH Effects
Publisher: American Society of Civil Engineers
Abstract: Steady‐state substrate utilization in biofilms has traditionally been modeled by coupling Fickian diffusion with Monod reaction kinetics. An inherent assumption in most of the previous models was that the pH remains constant ...
Closure to “Modeling Substrate Transport into Biofilms: Role of Multiple Ions and pH Effects” by Joseph R. V. Flora, Makram T. Suidan, Pratim Biswas, and Gregory D. Sayles
Publisher: American Society of Civil Engineers
Evaluation of Trickle Bed Air Biofilter Performance for BTEX Removal
Publisher: American Society of Civil Engineers
Abstract: Biofiltration of a gaseous stream contaminated with benzene, toluene, ethylbenzene, and the three xylene (BTEX) compounds was evaluated in this study. Experimental investigations were conducted on a pilot-scale biofilter ...