Related Experiment Video
Updated: Feb 11, 2026

Lipid Bilayer Vesicle Generation Using Microfluidic Jetting
Published on: February 21, 2014
Flow Channel Influence of a Collision-Based Piezoelectric Jetting Dispenser on Jet Performance
Can Zhou1,2,3, Guiling Deng4,5, Junhui Li6,7
1School of Mechanical and Electronical Engineering, Central South University, No. 932, South Lushan Road, Changsha 410083, China. zhoucan@csu.edu.cn.
Abstract:
To improve the jet performance of a bi-piezoelectric jet dispenser, mathematical and simulation models were established according to the operating principle. In order to improve the accuracy and reliability of the simulation calculation, a viscosity model of the fluid was fitted to a fifth-order function with shear rate based on rheological test data, and the needle displacement model was fitted to a nine-order function with time based on real-time displacement test data. The results show that jet performance is related to the diameter of the nozzle outlet and the cone angle of the nozzle, and the impacts of the flow channel structure were confirmed. The approach of numerical simulation is confirmed by the testing results of droplet volume. It will provide a reliable simulation platform for mechanical collision-based jet dispensing and a theoretical basis for micro jet valve design and improvement.
Related Concept Videos
Free Jet
Uniform Depth Channel Flow
Energy Considerations in Open Channel Flow
Types Of Collisions - I
Types of Collisions - II
Uniform Depth Channel Flow: Problem Solving

