Richard Collins

Publications

• Cratering associated with failure of pressurised water mains
• Calibrating and validating a combined accumulation and mobilisation model for water distribution system discolouration using particle swarm optimisation
• A theory for realistic modelling of leakage and intrusion flows through leak openings in pipes
• Leak detection in a long pipe system
• Transient Mobilisation of Replicated Biofilms
• Crater size calculator (Cratering associated with failure of pressurised water mains)
• Effect of voids on the bending response of buried flexible utility pipes
• Do transients contribute to turbidity failures of water distribution systems?
• A novel demonstration of adhered material mobilisation by hydraulic transients
• Predicting crater formation from failure of pressurized water mains through analogy with buried explosive events
• Influence of Pipe Material on the Transmission of Vibroacoustic Leak Signals in Real Complex Water Distribution Systems: Case Study
• Experimental Quantification of Intrusion Volumes due to Transients in Drinking Water Distribution Systems
• PipeSLAM: Simultaneous localisation and mapping in feature sparse water pipes using the Rao-Blackwellised particle filter
• Experimental Investigation into the Influence of Backfill Types on the Vibro-acoustic Characteristics of Leaks in MDPE Pipe
• Effect of Uncertainty Demand Location on Transient behavior of WDS
• Derivation and Validation of a Leakage Model for Longitudinal Slits in Polyethylene Pipes
• Physical investigation into the significance of ground conditions on dynamic leakage behaviour
• Characterisation of the Physical Composition and Microbial Community Structure of Biofilms within a Model Full-Scale Drinking Water Distribution System
• Can a valve closure transient cause mobilisation of adhered particles?
• Cratering associated with failure of pressurised water mains
• Literature review: cratering associated with failure of pressurised water mains
• Adapting astronomical source detection software to help detect animals in thermal images obtained by unmanned aerial systems
• Assessing ground support of plastic pipes using ultrasound
• Numerical transient analysis of random leakage in time and frequency domains
• Robot localization in water pipes using acoustic signals and pose graph optimization
• Occurrence of Transients in Water Distribution Networks
• An experimental study of how hydraulic transients cause mobilisation of material within drinking water distribution systems
• Robot mapping and localisation in metal water pipes using hydrophone induced vibration and map alignment by dynamic time warping
• Experimental study exploring the interaction of structural and leakage dynamics
• Experimental Quantification of Contaminant Ingress into a Buried Leaking Pipe during Transient Events
• Traditional Leakage Models for Leakage Modelling: Effective or Not?
• Non-Destructive In-Situ Condition Assessment of Plastic Pipe Using Ultrasound
• Dynamic Leakage: Physical Study of the Leak Behaviour of Longitudinal Slits in MDPE Pipe
• Experimental Quantification of Intrusion Due to Transients in Distribution Systems
• Controlled, Realistic-scale, Experimental Study of How the Quantity and Erodibility of Discolouration Material Varies with Shear Strength
• The Effect of Demand Uncertainty on Transient Propagation in Water Distribution Systems
• Robot Mapping and Localisation for Feature Sparse Water Pipes Using Voids as Landmarks
• Experimental investigation into techniques to predict leak shapes in water distribution systems using vibration measurements
• Realistic Modeling of Leakage and Intrusion Flows through Leak Openings in Pipes
• Robotic Mapping and Localisation in Feature Sparse Water Pipes
• Propagating uncertainties in hydraulic transient modelling using a non-intrusive polynomial chaos methods
• Feature Extraction of Leaks Signals in Plastic Water Distribution Pipes Using the Wavelet Transform
• Comparison of probabilistic modelling techniques for transients in water distribution networks
• Application of least squares support vector machines and acoustic measurements for leak flow rate prediction
• Prediction of leak flow rate in plastic water distribution pipes using vibro-acoustic measurements
• IMPROVING LEAK LOCATION ACCURACY BY OPTIMISING THE TIME DELAY MEASUREMENT OF ACOUSTIC EMISSION FROM LEAKS IN MOPE PIPE
• Experimental investigation into vibro-acoustic emission signal processing techniques to quantify leak flow rate in plastic water distribution pipes
• Soil Saturation Detection from in Pipe Ultrasound Measurements
• Feature extraction of leaks signals in plastic water distribution pipes using the wavelet transform
• A method to characterise transients from pressure signals recorded in real water distribution networks
• Transient Behavior in Complex Distribution Network: A Case Study
• Transient source localisation methodology and laboratory validation
• Experimental proof of contaminant ingress into a leaking pipe during a transient event
• Modelling both the continual erosion and regeneration of discolouration material in drinking water distribution systems
• Influence of ground conditions on intrusion flows through apertures in distribution pipes
• Intrusion modelling and the effect of groundwater conditions
• Data for "An Experimental Study of How Hydraulic Transients Cause Mobilisation"
• CCWI2017: F126 'Probabilistic Modelling of Transient Propagation in Water Distribution Systems'
• CCWI2017: F11 'Can a Valve Closure Transient Cause Mobilisation of Adhered Particles?'
• Time dependent area of leaks in MDPE pipes during transient events
• Onset detection of transient waves using a novel experimental data set
• Intrusion and leakage through cracks and slits in plastic (MDPE) pipes
• The structure and stability of drinking water biofilms
• How severe can transients be due to a sudden de-pressurization?
• Intrusion into water distribution systems through leaks and orifices: Initial experimental results
• Controlled, realistic-scale, experimental study of how the quantity and erodibility of discolouration material varies with shear strength
• Derivation and validation of a leakage model for longitudinal slits in polyethylene pipes
• PipeSLAM: Simultaneous Localisation and Mapping in Feature Sparse Water Pipes using the Rao-Blackwellised Particle Filter
• Realistic modeling of leakage and intrusion flows through leak openings in pipes
• Influence of pipe material on the transmission of vibroacoustic leak signals in real complex water distribution systems: case study
• Transient mobilisation of replicated biofilms
• Experimental quantification of intrusion volumes due to transients in drinking water distribution systems
• Characterisation of the Physical Composition and Microbial Community Structure of Biofilms within a Model Full-Scale Drinking Water Distribution System.
• Robot localization in water pipes using acoustic signals and pose graph optimization.
• Occurrence of transients in water distribution networks
• Experimental quantification of contaminant ingress into a buried leaking pipe during transient events
• Non-destructive in-situ condition assessment of plastic pipe using ultrasound
• City infrastructure ontologies
• Multiaxial fatigue of water pipe grey cast iron
• Experimental quantification of intrusion due to transients in distribution systems
• Fatigue failure analysis of grey cast iron water pipes accounting for fatigue strength variation
• Experimental validation of a model for predicting the bending fatigue strength of corroded grey cast iron water pipes
• Proactive pipe management: multiaxial fatigue of water pipe grey cast iron
• Investigating an alternative to exhumed grey cast iron water pipes for small-scale fatigue tests
• A Model of Intermittent Water Supply Simulating the Inequitable Distribution of Water
• Experimental Investigation of the Fatigue Strength and Leakage Failure Mode of Corroded Cast Iron Water Pipes
• Modelling Consumer Demand in Intermittent Water Supply (IWS) Networks: Evidence from Nepal
• Experimental investigation of the fatigue strength and leakage failure mode of corroded cast iron water pipes
• Characterizing the Impact of Hydrants on Transients