Flow around various drag bodies and incident flow of weirs Features - effects of different obstacles on open-channel flow - intuitive experiment execution via touch screen (HMI) - integrated router for operation and control via an end device and for screen mirroring on up to 10 end devices: PC, tablet, smartphone - network capability: access to ongoing experiments from external workstations via the local network - automatic identification of accessories via RFID technology Learning objectives/experiments - energy levels of the water when flowing through a flume with different obstacles - investigation of the hydraulic jump - Venturi flow rate measurement - energy dissipation in the flume - software specifically adapted to the accessories used -- learning module with theoretical fundamentals -- device description -- guided experiment preparation -- execution of the experiment -- graphical representation of pressure curves -- data transfer via USB for versatile external use of measured values and screenshots e.g. evaluation in Excel -- different user levels available Specification [1] open flume with different magnetic obstacles for demonstration of the flow [2] transparent experimental flume [3] demonstration of energy levels and losses with different weirs and piers [4] demonstration of energy dissipation in the stilling basin with end sill and dentated sill as well as ogee-crested weir with ski jump [5] water level regulation with siphon weir [6] determination of flow rates with Venturi flume [7] flow rate in experimental flume can be adjusted via HM 250 base module [8] determination of water levels (energy levels) via digital pressure measurement [9] automatic identification of accessories via RFID technology and use of the corresponding software [10] experiment execution and display of the measured values via touch screen (HMI) [11] network capability: access to ongoing experiments and their results from up to 10 external workstations simultaneously via the local network [12] water supplied via HM 250 base module Technical data Experimental flume - WxH: 50x75mm - length between measuring points: 390mm - nozzle, open cross-section: 50x3mm 5x Weirs, magnetic, LxW 50x80mm - broad-crested weir, sharp-edged, H 30mm - broad-crested weir, rounded edges, H 30mm, R 10mm - ogee-crested weir, 37°, R 10mm - ogee-crested weir with ski jump, 37°, R 10mm - siphon, 5°, H 58mm 2x Piers, magnetic - rounded end R 10mm / pointed end 53° - both ends rectangular 4x Obstacles for energy dissipation, magnetic - LxWxH: 50x20x15mm - 1x end sill - 3x dentated sills 1x Venturi flume, magnetic - length: 130mm - narrowest cross-section: 12mm - inlet contour: L 37,3mm, R 20mm - outlet angle: 16° each Measuring ranges - indicated measuring range pressure: 0...80mmWC - indicated measuring range flow rate: 0...15L/min LxWxH: 650x260x210mm Weight: approx. 9,7kg
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