FLUID MECHANICS  > Hydrology

HF 401 BASIC HYDROLOGY APPARATUS

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The apparatus is a self-contained unit for studying basic hydrology.

It consists of a large stainless steel rectangular tank with adjustable tilting mechanism. The tank is filled with a granular medium. Two separate sets of four spray nozzles above the tank simulate rain fall on the catchments. The tank upper walls are transparent. Valve control of the nozzles varies the lag time on the hydrograph to simulate a moving storm.

The compartments at each end of the tank are connected to the catchment area by wire mesh to allow flow between the compartment and the catchment. Two wells with valve control are also provided at the middle of the tank. Twenty pressure tappings along the orthogonal axes of the tank measure water table profile by a manometer bank.

A metal frame supports the tank and houses a storage tank. Water is drawn from the storage tank by a pump and separately supplied to the overhead nozzles and/or the two end compartments via a flow meter and pipings with valve control. Run-off from the catchment is measured by a calibrated rectangular weir or returns directly to the storage tank.      

Instruction manual is also included.

  • Investigation of rainfall/runoff relationships for dry, saturated and impermeable catchments of various slopes for surface runoff.

  • Effect of interflow on outflow hydrograph

  • Simulation of multiple and moving storms.

  • Cone of depression for single well and interaction of cones of depression for two adjacent wells.

  • De-watering of excavation sites by use of wells.

  • Flow from a well in a confined aquifer.

  • Demonstration of watersheds for a simulated island with rainfall and well flows.

  • Demonstration of sediment transport and meanders in simulated rivers.

  • Tank

:        Stainless steel 100 cm wide x 200 cm long x 19 cm high

   
  • Inclination

:        0-3%

   
  • End compartments
:         2 ea.   
  • Wells
:         2 ea.   
  • Spray nozzles

:        8 nozzles with separate shutoff valves

   
  • Flow measurement
    

- Rain water

- Run off

:         Variable area flow meter

:         Calibrated weir

   
  • Manometer
:         1 set   
  • Upper walls
:         Clear acrylic   
  • Accessories

:         1x Rectangular ring

:         1x Circular ring

:         1x Confined aquifer (closed circular ring)

:         1x Cylindrical pier

:         2x Canal banks

:         1x Scraper

   
  • Power supply
:         220 V, 1 Ph, 50 Hz. Other power supply is available on request.   
  • Net (unassembled) Shipping Dimensions WxLxH: 112 x 230 x 180 cm
  • Net Weight:  Approx. 250 kg
  • HF401S     
Learning Software to support both online/offline training with data   calculation and analysis by manual data entry from analog measuring instruments.
  • Washed sand, 330 kg (Due to export laws and regulations, washed sand cannot be exported. Buyer should source it locally.)

  • Other optional equipment, please contact manufacturer ([email protected])

  • HF401S                     
: Learning Software to support both online/offline training with data calculation and analysis by manual data entry from analog measuring instruments.
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