Applied Scientific Instruments Co., Ltd.

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Drain Permeameter

หมวดหมู่สินค้า: FE SERIES - IRRIGATION WATER MANAGEMENT
รหัส : FEL10
The FEL10 Drain Permeameter apparatus provides the students with a way of studying the interactions between drains, soils and filters in the laboratory.

02 มิถุนายน 2566

ผู้ชม 489 ผู้ชม

DESCRIPTION

The FEL10 Drain Permeameter apparatus provides the students with a way of studying the interactions between drains, soils and filters in the laboratory.

The apparatus consists of a constant head permeator which allows the study of various combinations of soils, filters and drain types. Changes in permeability with time can be estimated by measuring the rate of drainage of water from the permeator.

The part of the soil/drain system which is changing its permeability can be inferred from the series of piezometer tubes which are connected to the cylinder of the permeator.

The Armfield Drain Permeameter is suited for use both as a teaching and demonstration tool and for laboratory testing and research. The equipment consists of a 100mm diameter transparent column, which may be filled with any soil type. A removable base section is provided into which the filter material to be investigated is placed.

Water is added to the column under a constant head and permeating water and soil is collected at the base. The discharge from the drain can be monitored to assess the efficiency of the filter material.

The apparatus is supported on a sturdy metal frame and may be conveniently placed on a laboratory bench close to a water supply and drain

 

EXPERIMENTAL CONTANT

  • Determine relative efficiencies of drain filter materials
  • Select optimum filter/soil combinations
  • Demonstration of Darcy’s Law and to illustrate the various concepts in the Darcy equation: water potential, hydraulic conductivity and flow rate
  • To investigate the influence of drain slot size variation of drain sediment yield and susceptibility to blocking
  • Investigation of the dynamics of a gravel envelope

 

 

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