Experimental Investigation of Internal Fluidisation Due to a Vertical Water Leak Jet in a Uniform Medium

AbstractThis paper presents an experimental study on internal fluidisation which can occur in the soil outside of a leak in a buried water distribution pipe. The study proposes an experimental method of measuring excess pore pressure and flow velocity in an uniform glass beads medium surrounding the leak. One flow rate of 2 l/min at a fixed leak diameter of 3mm was used in the experiments. The results showed large velocities directly outside the inlet (in the fluidised zone), which decreased rapidly with increasing distance. The surplus pressure in the bed rises to a maximum value at the top of the fluidised zone, after which it decreases towards the top of the bed

The Next Frontier: Making Research More Reproducible

Science and engineering rest on the concept of reproducibility. An important question for any study is: are the results reproducible? Can the results be recreated independently by other researchers or professionals? Research results need to be independently reproduced and validated before they are accepted as fact or theory. Across numerous fields like psychology, computer systems, and water resources there are problems to reproduce research results (Aarts et al. 2015; Collberg et al. 2014; Hutton et al. 2016; Stagge et al. 2019; Stodden et al. 2018). This editorial examines the challenges to reproduce research results and suggests community practices to overcome these challenges. Coordination is needed among the authors, journals, funders and institutions that produce, publish, and report research. Making research more reproducible will allow researchers, professionals, and students to more quickly understand and apply research in follow-on efforts and advance the field