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HM 161


Technical Description

The experimental flume HM 161 is the largest within the GUNT product range. The flow velocities that can be achieved in the experimental flume, and the long length of the experimental section, are the perfect conditions for designing your own projects. These projects can be very close approximations of reality.

The experimental section is 16m long and has a cross-section of 600x800mm. The side walls of the experimental section are made of tempered glass, which allows excellent observation of the experiments. All components that come into contact with water are made of corrosion-resistant materials (stainless steel, glass reinforced plastic). The inlet element is designed so that the flow enters the experimental section with very little turbulence. The closed water circuit consists of a series of water tanks and a powerful pump. The tanks are included in the system in such a way that they also serve as a gallery which you can stand on. The user can thus comfortably reach any part of the experimental section.

The experimental flume has a motorised inclination adjustment to allow simulation of slope and to create a uniform flow at a constant discharge depth.

A wide selection of models, such as weirs, piers, flow-measuring flumes or a wave generator are available as accessories and ensure a comprehensive programme of experiments. Most models are quickly and safely bolted to the bottom of the experimental section.  The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments. 

Learning Objectives / Experiments

Together with optionally available models
- uniform and non-uniform discharge
- flow formulae
- flow transition (hydraulic jump)
- energy dissipation (hydraulic jump, stilling basin)
- flow over control structures 
  * weirs (sharp-crested, broad-crested, ogee-crested)
  * discharge under gates
- flow-measuring flumes
- local losses due to obstacles
- water surface profiles
- transient flow: waves
- vibrating piles
- sediment transport


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