DESCRIPTION The permanent arrangement of PVC pipes and ffttings is mounted on a free-standing support frame designed to stand alongside an F1-10 Hydraulics Bench. Connection to the F1-10 is via a reinforced ffexible tube and threaded union with ‘O’ ring seal, enabling connection to the F1-10 without the use of tools. Isolating valves enable a wide range of different series, parallel and mixed pipe conffgurations to be created without draining the system. Flow into the network and ffow out from the network at each outlet can be individually varied to change the characteristics of the system. All clear acrylic test pipes are installed using threaded unions with ‘O’ ring seals that allow the pipes with different diameters to be repositioned without the use of tools. Self-sealing quick release ffttings at strategic points in the network allow rapid connection of the digital hand-held pressure meter, allowing appropriate differential pressures to be measured. Flow leaving any of the outlets in the network is measured using the volumetric facility incorporated on the F1-10 Hydraulics Bench. TECHNICAL SPECIFICATIONS Length of pipes: 0.70m Inside diameter of pipes: 14mm (1x) 10mm (1x) 9mm (2x) 6mm (1x) Nominal inside diameter of manifold: 22.4mm Differential pressure measurement: Digital pressure meter (alternative units selectable) Range: 0 - 2000cmH2O (0 - 2000 mBar) Resolution: 1cm H2O (1 mBar) EXPERIMENTAL CONTENT Measurement of head loss versus discharge for different sizes of pipes Characteristics of flow through interconnected pipes of different sizes Characteristics of flow through parallel pipe networks Characteristics of flow through series pipe networks Application of doubling pipes on existing networks to increase flow rate Characteristics of flow around a ring main and the effect of changes in supplies and off-takes
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