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A kind of soil wind erosion erodibility testing method

A test method and soil technology, which is applied in the direction of soil material testing, machine/structural component testing, measuring devices, etc., can solve the problem of not reflecting the dynamics and continuity of wind erosion erodibility well and affecting soil wind erosion erodibility Evaluation accuracy and other issues, to achieve the effect of easy promotion and use, simple structure, and convenient implementation

Inactive Publication Date: 2018-07-24
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this method cannot well reflect the dynamics and continuity of wind erosion erodibility
[0006] Due to the deficiencies in the above two aspects, the accuracy of soil wind erosion erodibility evaluation has been affected to a certain extent.

Method used

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  • A kind of soil wind erosion erodibility testing method
  • A kind of soil wind erosion erodibility testing method
  • A kind of soil wind erosion erodibility testing method

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Embodiment Construction

[0049] Such as figure 1 and figure 2 As shown, the soil wind erosion erodibility test system of the present invention includes a test wind tunnel 1, and the test wind tunnel 1 includes a fan section 1-1, a transition section 1-2, a rectification section 1-3, and a contraction section arranged in sequence. 1-4, the test section 1-5 and the diffusion section 1-6, the fan section 1-1 is provided with a fan 1-7, and the front side of the fan section 1-1 is provided with a fan for driving the fan 1-7 to rotate The motor 1-8, the fan 1-7 is fixedly connected with the output shaft of the motor 1-8, the rectification section 1-3 is provided with a damping net 1-9 and a honeycomb 1-10; it also includes a control computer 2, Wind speed sensor 3, dust detector 4, controller 5 and frequency converter 6, the wind speed sensor 3 is arranged at the head end of the test section 1-5, and the detection point of the dust detector 4 is arranged at the end of the test section 1-5 The frequency ...

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Abstract

The invention discloses a soil wind erosion erodibility test system. The soil wind erosion erodibility test system comprises a test wind tunnel, wherein the test wind tunnel comprises a fan section, a transitional section, a rectifying section, a retraction section, a test section and a diffusion section, which are successively arranged, a fan is arranged in the fan section, an electric motor is arranged at the front side of the fan section, the fan is fixedly connected with an output shaft of the electric motor, and a damping mesh and a honeycomb are arranged in the rectifying section; and the soil wind erosion erodibility test system also comprises a control computer, a wind speed sensor, a dust detector, a controller and a frequency converter; the wind speed sensor is arranged at the head end of the test section, a detection point of the dust detector is arranged at the tail end of the test section, the frequency converter is connected with the controller, the electric motor is connected with the frequency converter, and the controller is connected with the control computer by virtue of a communication module. The invention also discloses a soil wind erosion erodibility test method. The soil wind erosion erodibility test system is novel and reasonable in design, convenient to implement, high in automation degree, capable of more accurately and more comprehensively reflecting the sensitivity of soil wind erosion to different wind speeds, high in practicability and convenient to popularize and use.

Description

technical field [0001] The invention belongs to the technical field of soil characteristic measurement and characterization, and in particular relates to a soil wind erosion erodibility test method. Background technique [0002] Soil wind erosion refers to a series of processes in which soil particles or sand particles are separated from the surface under the impact of airflow, and are transported and accumulated. Soil wind erosion erodibility is the sensitivity of soil to the impact of airflow, which determines the difficulty of wind erosion. Soil wind erosion erodibility is controlled by soil physical and chemical properties such as soil moisture, aggregates, soil crust, and surface roughness. Soil wind erosion erodibility is an important content of wind erosion research. A full understanding of the change law of soil wind erosion erosion is the basis for effective implementation of wind erosion control measures, reducing soil wind erosion erosion, preventing wind erosion...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00G01M9/06G01N33/24
CPCG01M9/06G01N17/00G01N33/24
Inventor 南岭董治宝肖锋军
Owner SHAANXI NORMAL UNIV
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