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Two-droplet static and dynamic fusion observation system and method

An observation system, static and dynamic technology, applied in measuring devices, instruments, material analysis through optical means, etc., can solve problems such as lack of consideration

Pending Publication Date: 2021-05-28
HARBIN ENG UNIV
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Problems solved by technology

The existing droplet fusion observation device lacks consideration of the liquid bridge phenomenon in the transition zone

Method used

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  • Two-droplet static and dynamic fusion observation system and method
  • Two-droplet static and dynamic fusion observation system and method

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Embodiment 1

[0042] A static and dynamic fusion observation device of two droplets, used to realize the characteristics research of two droplets in the process of static and dynamic contact fusion, including three main parts of droplet generation, three-degree-of-freedom displacement control system and high-speed camera image acquisition system part, according to the attached figure 1 Make the following instructions.

[0043] The main part of the droplet generation includes: a shock-absorbing rigid table 10, an upper through-hole ball 3, a lower through-hole ball 4, and the lower through-hole ball 4 is fixed on the shock-absorbing test stand 10; the three-degree-of-freedom displacement control system includes: a wire Bar displacement slider 14, motor 1, multifunctional displacement control box 11, manual displacement adjustment wheel 2, steel extension plate 13, shock absorption test bench 12, lead screw displacement slider 14 with two degrees of freedom in the horizontal direction The di...

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Abstract

The invention belongs to the technical field of droplet fusion observation, and particularly relates to a two-droplet static and dynamic fusion observation system and method. The control of static and dynamic fusion of two liquid drops is achieved by utilizing the automatic displacement module; the change rule of the droplet fusion phenomenon is observed by changing a plurality of variables such as the aperture of the through-control ball, the moving speed of the upper droplet, the volume of the droplet and the type of the liquid; the whole process of formation and fusion of the two droplets is recorded through a high-speed camera image acquisition system, and the change rule of the fusion morphology characteristics of the droplets is obtained through image processing. According to the system and the method, the droplet fusion phenomenon caused by distance reduction when the volume of two droplets is fixed can be achieved, the research on the static and dynamic droplet fusion phenomenon can be achieved by controlling the upper droplet, and the research on the droplet fusion phenomenon caused by droplet volume increase when the distance of the two droplets is fixed can also be achieved. The system and method can be used for researching the influence of the liquid bridge phenomenon in the liquid drop fusion process, and a theoretical basis is provided for nickel ore liquefaction characteristic research.

Description

technical field [0001] The invention belongs to the technical field of droplet fusion observation, and in particular relates to a static and dynamic fusion observation system and method for two droplets. Background technique [0002] In recent years, shipwreck accidents caused by nickel ore liquefaction have occurred frequently. Nickel ore is a typical unsaturated wet particle dispersion, and its liquefaction is mainly caused by the fusion of liquid bridges between particles. It is of great significance to explore the liquefaction of nickel ore and ensure the safety of maritime transportation. The existing droplet fusion observation device lacks consideration of the liquid bridge phenomenon in the transition zone. Contents of the invention [0003] The object of the present invention is to provide a two-droplet static-dynamic fusion observation system that realizes the observation of two liquid droplets when they are statically and dynamically fused. [0004] The object ...

Claims

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Application Information

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IPC IPC(8): G01N13/00G01N21/84
CPCG01N13/00G01N21/84
Inventor 鞠磊李家园李云鹏杨洲王鑫
Owner HARBIN ENG UNIV
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