RHU Rainfall Hydrographs Unit

RAINFALL HYDROGRAPHS UNIT - RHU

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The Rainfall Hydrographs Unit, "RHU", designed by EDIBON, is a self-contained unit designed to demonstrate some of the physical processes found in hydrology and fluvial geomorphology, such as rainfall hydrographs for variable permeability catchment areas, dewatering groundwater using drainages, with or without surface recharge by rain, etc.

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일반적인 설명

The main element of the Rainfall Hydrographs Unit,"RHU", designed by EDIBON, is a tank mounted on a frame. The tank can be filled with sand. There are removable curtains to prevent splashing.

There are two square pattern spray nozzles at the top that supply water to the sand. Water, before being sprayed, passes through a flow control valve, a flowmeter and a solenoid valve controlled with the electronic console.

The drainage of the system is driven towards one end of the tank, through which water leaves towards a collection and measurement system, mounted on another frame. The collection system consists of a vessel divided internally into seventeen storage compartments and a central drainage channel. Its frame includes a drive motor that allows its displacement to a controlled velocity under the tank outlet, thus enabling an immediate visualization of the hydrograph. The motion time of the system is measured and visualized in the console to be able to obtain an immediate hydrograph of the drainage in function of time.

The unit includes several accessories to analyze the surface retention, the storage effect in soil depressions and drainage ducts.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. Recording and studying hydrographs in a permeable catchment area.
  2. Recording and studying hydrographs in an impermeable catchment area.
  3. Analysis of the influence of a drainage duct on a hydrograph.
  4. Analysis of the influence of rainwater storage tanks on the hydrograph.

장비로 수행 할 수있는 더 많은 실용적 연습

  1. Recording of hydrographs.
  2. Study of hydrographs from one or more storms.
  3. Calculation of the concentration time for a short storm.
  4. Analysis of the influence of a moving storm on a flood hydrograph.
  5. Analysis of the influence of reservoir storage on a flood hydrograph.
  6. Analysis of the influence of land drains on a flood hydrograph.

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