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Snow particle settling velocity measuring device and method

A particle sedimentation and velocity measurement technology, applied in measurement devices, fluid velocity measurement, velocity/acceleration/impact measurement, etc., can solve problems such as the large influence of snow particles, and achieve the effect of simple overall operation and convenient and fast measurement process.

Pending Publication Date: 2019-08-13
SHIJIAZHUANG TIEDAO UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a device and method for measuring the sedimentation velocity of snow particles, which aims to solve the problem that the environment has a great influence on the snow particles due to the limitation of the technical equipment in the measurement process and the temperature and humidity factors

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  • Snow particle settling velocity measuring device and method
  • Snow particle settling velocity measuring device and method

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Embodiment Construction

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Please also refer to figure 1 , the snow particle sedimentation velocity measurement device provided by the present invention will now be described. Snow particle settling velocity measuring device, including cylinder stable section 1, cylinder test section 2 and anemometer, the two ends of cylinder stable section 1 are open and the bottom end is fixedly provided with fan 3, and cylinder stable section 2 is also equipped with There are rectifying mechanism 4 for rectifying the airflow blown by fan 3 and filter screens 6 for placing snow particles. Above; b...

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Abstract

The invention provides a snow particle settling velocity measuring device and method, and belongs to the technical field of disaster prevention. The device comprises a cylinder stabilizing section, acylinder testing section and an anemograph, the two ends of the cylinder stabilizing section are open, the bottom end of the cylinder stabilizing section is fixedly provided with a fan, rectifying mechanisms for rectifying the airflow blown by the fan and filter screens for placing snow particles are further arranged in the cylinder stabilizing section, the rectifying mechanisms are disposed at intervals above a top end of the fan, and the filter screens are arranged at intervals above the top end of the rectifying mechanisms; the two ends of the cylinder testing section are open, and the cylinder testing section is arranged at the upper end of the cylinder stabilizing section and is detachably connected with the cylinder stabilizing section; and the anemograph is used for measuring the wind speed of one end of the cylinder testing section deviating from the cylinder stabilizing section. The snow particle settling velocity measuring device and method provided by the invention can be placed in an external natural environment, the same environmental conditions can be easily reached, various property parameters of the snow are not easily changed by the influence of the external environment, and the device is simple in structure and is convenient to operate.

Description

technical field [0001] The invention belongs to the technical field of sedimentation velocity measurement, and more specifically relates to a device and method for measuring the sedimentation velocity of snow particles. Background technique [0002] Wind and snow flow is a natural phenomenon in which snow particles drift and accumulate under the action of wind. When the blizzard occurs, the snow accumulation in some areas is severe, causing traffic jams, building damage and other phenomena, seriously affecting people's daily life. As the material source of snowstorms, the properties of snow have an important impact on the process of starting, drifting, and accumulation of snowstorms. The sedimentation velocity of snow is one of the important property parameters of snow. The settling velocity of snow refers to the velocity of snow particles settling at a constant velocity in still air. The maximum speed achieved. [0003] In order to measure the sedimentation velocity of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P5/00G01N15/04
CPCG01P5/00G01N15/04
Inventor 马文勇郑熙梁朋飞柴晓兵刘庆宽
Owner SHIJIAZHUANG TIEDAO UNIV
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