Self-circulation axial-radial seepage Darcy law experimental apparatus

A technology of Darcy's law and experimental instruments, which is applied in instruments, scientific instruments, permeability/surface area analysis, etc., can solve the problems of single sample size and lack of radial seepage model, etc., to ensure isotropy and intuitive experimental results clear effect

Inactive Publication Date: 2013-10-16
青岛石大石仪科技有限责任公司
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  • Application Information

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Problems solved by technology

The disadvantage of this instrument is that there is only an axial seepage model, lacking a radial seepage model, and the sample size of the axial seepage model is single, and only the water pressure difference at both ends of the sample can be adjusted. The impact of the effect cannot be reflected

Method used

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  • Self-circulation axial-radial seepage Darcy law experimental apparatus
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  • Self-circulation axial-radial seepage Darcy law experimental apparatus

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Embodiment Construction

[0017] In order to further disclose the technical solutions of the present invention, the following will be described in detail by examples in conjunction with the accompanying drawings in the description:

[0018] Before doing the experiment, first check whether the liquid level in the water storage tank 29 is suitable, then close the stop valves 5, 9 etc. on each water inlet pipeline, start the water pump 21, and start to fill the constant pressure water supply tank 6. Start the motor 22 to move the constant pressure water supply tank 6 to the desired height.

[0019] The axial seepage test system includes 3 sand filling pipes 11, 14, 15, the operation steps and methods are the same, only 2 # The sand filling pipe 14 is used as an example for illustration. spin 2 # Sand filling pipe 14 makes water outlet pipe 39 be positioned at the upper end, and is in vertical state, tightens locking screw 13 and makes 2 # The sand filling pipe 14 keeps the vertical state, and the shut-...

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Abstract

The invention relates to a self-circulation axial-radial seepage Darcy law experimental apparatus, which comprises an adjustable pressure water source system, an axial seepage experimental system, a radial seepage experimental system and a vertical experimental frame and is characterized in that the adjustable pressure water source system is arranged at the left side or the right side of the vertical experimental frame; the radial seepage experimental system is arranged at the upper part of a pressure water source protective cabinet of the adjustable pressure water source system; the axial seepage experimental system is arranged at the right side or the left side of the vertical experimental frame; the adjustable pressure water source system provides water sources of different pressures for the axial seepage experimental system and the radial seepage experimental system; the axial seepage experimental system and the radial seepage experimental system are used for respectively demonstrating the axial seepage process and the radial seepage process; and, by means of the experimental apparatus, axial and radial seepage experiments with different water pressures, different section areas of samples and different heights of the samples can be carried out at the same time.

Description

technical field [0001] The invention relates to an experimental measuring instrument, in particular to a self-circulating radial and axial percolation Darcy's law experimental instrument. Background technique [0002] Darcy's law, also known as the law of infiltration, means that the flow rate through the sample is directly proportional to the cross-sectional area of ​​the sample and the water pressure difference of the piezometer at both ends of the sample, and inversely proportional to the height of the sample. Theoretical basis of seepage calculation and groundwater seepage calculation. Darcy's law experimental instrument is an experimental instrument specially used to verify Darcy's law and determine the permeability coefficient. At present, a kind of Darcy's law experimental instrument commonly used at home and abroad, its method is: the experimental instrument is an integral structure, the water source is connected externally during the experiment, the water body seep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/12G01N15/08
Inventor 邵东亮李晓东向军刘振东张丽伟王明君朱永爱
Owner 青岛石大石仪科技有限责任公司
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