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  Fluid Mechanics Hydrology Engin

  Large Flow Channel

  The Large Flow Channel is designed for a variety of experiments in the area of open flumes such as, for example, weirs, overflows, locks, oceanography and off-shore technology (including experiments on waves, measures for coastal protection such as dykes or beach simulations).It reaches an experimental length of 16m. The side panels are made of hardened glass to permit a virtually unobstructed view. The water supply is provided by several tanks. These are connected to the system such that they can also be used as a walkway so that the user can reach every part of the measured section. As soon as the tanks are connected together and to the channel itself, they provide an adequate water supply that, once filled, is independent of the local water mains. The inlet, outlet and tank are made of GFRP to combine high strength and a long service life with low weight. Because the unit can be set up anywhere, its suitability to specific local conditions is guaranteed.

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  Fluid Mechanics Hydrology Engin

  Ground Water Flow

  This unit for the investigation of ground water flows and drainage processes is fitted to a trolley. It consists primarily of a plastic tank that is filled with fine gravel for the experiments. Inlet and outlet pipes facilitate the production of a flow of water through the layer of gravel. Measuring connections are fitted to the base of the tank, these are connected to tube manometers using hoses so that the water levels can be displayed on a measuring station. Inserts supplied with the unit facilitate the simulation of excavations and wells. The gravel filling is not included.

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  Fluid Mechanics Hydrology Engin

  Rainfall Hydrograph

  The is used to demonstrate the hydrological phenomena of rainfall. It shows the relationships between rainfall and the seepage of rainwater. A stainless steel tank filled with gravel acts as the ground. The water can be drained from the ground using a drainage tube or a filter. A time-controlled motorised water drain distributes the leakage water to 17 transparent measuring tanks. This allows a chronological profile of the discharge of water from the ground to be identified. The ground sample is irrigated by 2 nozzles that can be separately selected using ball valves. A solenoid valve releases the rain. The quantity of rain is adjusted using a control valve and a flow meter. 3 electronic time switches control the irrigation time, the delay time and the measuring time. The unit includes an extra cleaning connection for cleaning the tubes. A tarpaulin is supplied for experiments including a non-permeable layer. Plastic containers that can be inserted in the tank act as rain storage reservoirs.

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  Fluid Mechanics Hydrology Engin

  Flume For Open And Closed Flow

  The enables experiments to be performed on open and closed flumes. In the open flume the flow processes at various weir structures can be investigated. By means of straightforward reconfiguration, it is possible to create a closed flume. In this way basic experiments on pipe flow or on flow processes in a culvert can also be made on the unit. The integrated, height adjustable ramp can be used for both flumes: in the open channel it is used as a further underwater weir, while in the closed flume it causes a change in the flow cross-section and thus facilitates the investigation of different flow conditions. In this way a large range of experiments can be performed with a unit of straightforward design.