Experiment system and experiment method based on micro-fluid control and Jamin effect observation

An experimental system and microfluidic technology, applied in the field of microfluidic control and Jiamin effect observation micro-channel experimental system, can solve the problems of lack of practical research significance and single data, and achieve comprehensive fluid motion parameters and real experimental data , the effect of convenient operation

CN110302851AInactive Publication Date: 2019-10-08SHANDONG UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2019-10-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an experiment system and an experiment method based on micro-fluid control and Jamin effect observation. The experiment system comprises a pressure driving device, a data acquisition device, a graph acquisition device and a micro-silicon chip with a photolithographic micron-channel, the pressure driving device is connected on one side of the micro-silicon chip, the data acquisition device is connected on the other side of the micro-silicon chip, the graph acquisition device is positioned above the micro-silicon chip, the pressure driving device is used for fluid injection and pressure control of the experiment system, the data acquisition device is used for acquiring and processing auxiliary data, and the graph acquisition device is used for shooting and recording deformation images of fluid droplets in the micron-channel and observing two-phase interface conditions of the fluid droplets. By the aid of a cross channel model, pressure and the sizes of generated droplets and bubbles are controlled, a throat channel is formed to observe deformation, so that Jamin effect is researched, two-phase micro-fluids can be controlled by a simple method as compared withthe prior art.
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Description

technical field

[0001] The present invention relates to a micro-channel experimental system and its experimental method for microfluidic control and Jamin effect observation, in particular to a micro-channel experimental system based on two-phase flow microfluidic control and Jamin effect observation and its experiment method. Background technique

[0002] Microfluidic technology is a multidisciplinary cutting-edge engineering technology that emerged in the 1990s, focusing on the study of flow laws in channels with characteristic sizes below hundreds of microns. It has led to the revolutionary progress of chemistry, biology, geotechnical and other disciplines from the study of macroscopic phenomena to the analysis of microscopic phenomena. The control of microfluidics has always been the most important part of microfluidics technology. Due to the different research needs of different industries, the control accuracy requirements are also different. The microfluidic control...

Examples

Embodiment Construction

[0040]The present invention proposes an experimental system and experimental method based on microfluidic control and Jamin effect observation. In order to make the advantages and technical solutions of the present invention clearer and clearer, the present invention will be described in detail below in conjunction with specific examples.

[0041] combine Figure 1 to Figure 3 As shown, an experimental system based on microfluidic control and Jamin effect observation of the present invention includes a pressure drive device 100, a data acquisition device 400, a graphic acquisition device 300 and a microsilicon chip 200, wherein the microsilicon chip as the main improvement point Chip 200, in which there are cross-shaped microchannels photolithographically, cooperates with pressurized gas to realize the control of the generation of liquid droplets of different sizes, and there are microchannel throats with diameters reduced from 10 microns to 5 microns, which can simulate Jia Mi...