Microfluidic Microparticle Production With Carrier-Fluid Droplet Stabilization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing microparticle production systems using microfluidics face challenges in stable transport of droplets without agglomeration or destruction, particularly in mass production scenarios where multiple devices are connected in parallel.
Innovation Solution
A microparticle producing system and method that incorporates a carrier fluid source and controller to stabilize droplet transport through controlled flow rates and velocities, ensuring laminar flow by combining carrier fluids with discharge fluids in a controlled manner.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple microfluidic devices are arranged in parallel for mass production, then productivity is improved, but droplet transport stability deteriorates causing agglomeration and destruction
Solution Approach 1:
A carrier fluid is introduced as an intermediary substance to transport droplets through the transport channel. The carrier fluid provides a stable medium that prevents droplet agglomeration and destruction during transport, enabling reliable operation in parallel mass production configurations
Solution Approach 2:
The system separates droplet production and transport functions into distinct modules. Multiple droplet producing chips can be connected in parallel to a common transport channel, allowing independent production units to operate simultaneously while maintaining stable transport through the carrier fluid medium
2Productivity
If carrier fluid flow rate is increased to improve transport efficiency, then productivity is improved, but droplet stability deteriorates causing destruction
Solution Approach 1:
The system optimizes the flow rate parameter of the carrier fluid to achieve a balance between transport efficiency and droplet stability. By carefully controlling the flow rate within specific ranges, the system maintains laminar flow that transports droplets effectively while preventing shear forces that would cause droplet destruction
3Productivity
If microfluidic device scale is increased for mass production, then productivity is improved, but manufacturing precision deteriorates
Solution Approach 1:
The system maintains small-scale high-precision droplet producing chips while connecting multiple units in parallel for mass production. Each chip retains its precise manufacturing capabilities for controlling surface properties and diameter, while the overall system achieves high throughput through parallel operation
Solution Approach 2:
The carrier fluid acts as a mediator that allows precise control of droplet parameters to be maintained even as production scale increases. The carrier fluid ensures that droplets produced with high precision in individual chips maintain their properties during transport and combination in the larger system
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables effective microparticle production by stabilizing droplet transport, preventing agglomeration and destruction, thereby facilitating efficient mass production using microfluidics.
Implementation Method 1
allowing a flow rate of the combined fluid larger than that of the discharge fluid
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention disclosed herein relates to a microparticle producing system using microfluidics and a controlling method thereof, and specifically, to a microparticle producing system that may stably transport droplets produced using microfluidics without agglomeration or destruction, compared to the conventional art, and a method of controlling the microparticle producing system to transport the droplets more stably in the microparticle producing system. By the microparticle producing system and the controlling method thereof, which are disclosed herein, droplets produced by the microparticle producing system using microfluidics may be stably transported without agglomeration or destruction, resulting in more effective microparticle production.