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Lab Equipment  |  Hydrology  |  Teaching Flume & Flow Channel  |  HM 162
HM 162 Experimental Flume 309x450mm Show data sheet (pdf file) Print page
Technical Description

  Hydraulic engineering is a crucial part of engineering. How do we achieve the necessary river depth for ships? How does open-channel flow change during flooding? How far upstream do measures such as control structures have an effect? How can the discharge at barrages be calculated? By using experimental flumes in laboratories it is possible to teach the basic knowledge required to understand the answers to these questions and to develop possible solutions. 
  The experimental flume HM 162 with a closed water circuit has a cross-section of 309x450mm. The length of the experimental section is between 5m and – with further extension elements HM 162.10 – a maximum of 12,5m. 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 inclination of the experimental flume can be finely adjusted 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
  * positive and negative surges
  * waves
- vibrating piles
- sediment transport
Features

* Experiments ranging from fundamental principles

  to research projects1
* Experimental section with transparent side walls,

  lengths between 5m and 12,5m available1
* Homogeneous flow through carefully designed

  inlet element1
* Models from all fields of hydraulic engineering

  available as accessories
Available accessories
HM 162.10 -- Extension Element of the Experimental Flume
HM 162.20 -- Water Tank
HM 162.29 -- Sluice Gate
HM 162.30 -- Set of Plate Weirs, 4 Types
HM 162.31 -- Broad-Crested Weir
HM 162.32 -- Ogee-Crested Weir with 2 Weir Outlets
HM 162.33 -- Crump Weir
HM 162.34 -- Ogee-Crested Weir with Pressure Measurement
HM 162.35 -- Elements for Energy Dissipation
HM 162.36 -- Siphon Weir
HM 162.38 -- Rake
HM 162.39 -- Roughened Bed
HM 162.40 -- Radial Gate
HM 162.41 -- Wave Generator
HM 162.42 -- Plain Beach Simulation
HM 162.43 -- Permeable Beach Simulation
HM 162.44 -- Bottom Sill
HM 162.45 -- Culvert
HM 162.46 -- Set of Piers, 3 Profiles
HM 162.48 -- Rough Beach Simulation
HM 162.50 -- Pitotstatic Tube
HM 162.51 -- Venturi Flume
HM 162.52 -- Level Gauge
HM 162.53 -- 10-Tube Manometer
HM 162.54 -- Base Plate
HM 162.55 -- Parshall Flume
HM 162.57 -- Electrical Inclination Adjustment
HM 162.59 -- Instrument Carrier
HM 162.61 -- Vibrating Piles
HM 162.63 -- Trapezoidal Flume
HM 162.64 -- Velocity Meter
HM 162.70 -- Sediment Transport
HM 162.91 -- Digital Level Gauge
Alternative products
HM 160 -- Experimental Flume 86x300mm
HM 161 -- Experimental Flume 600x800mm
Overview
HM 162 Experimental Flume
Specification

[1] basic principles of open-channel flow
[2] experimental flume with experimental section, inlet and outlet element and closed water circuit
[3] length of the experimental section 5m, up to 12,5m possible with additional extension elements HM 162.10
[4] smoothly adjustable inclination of the experimental section
[5] experimental section with evenly spaced threaded holes on the bottom for installing models or for water level measurement using pressure
[6] side walls of the experimental section are made of tempered glass for excellent observation of the experiments
[7] experimental section with guide rails for the optionally available instrument carrier HM 162.59
[8] all surfaces in contact with water are made of corrosion-resistant materials
[9] flow-optimised inlet element for low-turbulence entry into the experimental section
[10] closed water circuit with 2 water tanks, pump, flow rate sensor and manual flow adjustment
[11] models from all fields of hydraulic engineering available as accessories

 
Technical Data

Experimental section
- possible lengths: 5m-7,5m-10m-12,5m
- flow cross-section WxH: 309x450mm
- inclination adjustment: -1/200...+1/40
2 tanks
- made of GRP
- 1.100L each
Pump
- power consumption: 5,5kW
- max. flow rate: 195m³/h
- max. head: 14,8m
- speed: 1.450min-1
Flow rate measuring range: 8...280m³/h

 
Dimensions and Weight
LxWxH: 8.750x1.000x1.900mm (experimental section 5m)
Weight: approx. 1.500kg
Required for Operation
400V, 50/60Hz, 3 phases
Scope of Delivery

1 experimental flume

1 set of instructional material
Order Details

070.16200  HM 162  Experimental Flume

                                 309x450mm

 

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Hydrology Laboratory, Educational Flow Channel and Teaching Flume