Numerical and Experimental Study of Valve-Less Micropump Using Dynamic Multiphysics Model

@article{Wang2018NumericalAE,
  title={Numerical and Experimental Study of Valve-Less Micropump Using Dynamic Multiphysics Model},
  author={Tao Wang and Jian He and Jiejun Wang and Lu Qiang Lv and Qiuyan Li and Wuqiong Luo and Chuangui Wu and Yao Shuai and Wanli Zhang},
  journal={2018 IEEE 13th Annual International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)},
  year={2018},
  pages={300-303}
}
An investigation for valve-less micropumps based on diffuser/nozzle structure is presented in this paper. The fluid flow characteristics of valve-less micropump are analyzed by dynamic multi-physics FEM simulation model. The simulation results show that the turbulence emerges in the interfacial area of nozzle/chamber is the key for restrict fluid reflux, which resulting unidirectional flow. The pumping efficiency is not only depended on the diffuser/nozzle but also closely related to the entire… CONTINUE READING

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