Mixing of Particles in Micromixers under Different Angles and Velocities of the Incoming Water

Proceedings

Karakasidis, Theodoros¹  Liosis, Christos²  Karvelas, Evangelos³  Sarris, Ioannis⁴ 

[1] Author to whom correspondence should be addressed.;Department of Mechanical Engineering, University of West Attica, 12243 Athens, Greece;Laboratory of Hydromechanics and Environmental Engineering, Department of Civil Engineering, University of Thessaly, 38334 Volos, Greece;Presented at the 3rd EWaS International Conference on “Insights on the Water-Energy-Food Nexus”, Lefkada Island, Greece, 27–30 June 2018.

关键词: nanoparticles;    water purification;    heavy metals;   

DOI  :  10.3390/proceedings2110577

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

A possible solution for water purification from heavy metals is to capture them by using nanoparticles in microfluidic ducts. In this technique, heavy metal capture is achieved by effectively mixing two streams, a nanoparticle solution and the contaminated water. In the present work, particles and water mixing is numerically studied for various inlet velocity ratios and inflow angles of the two streams. The Navier-Stokes equations are solved for the water flow while the discrete motion of particles is evaluated by a Lagrangian method. Results showed that as the velocity ratio between the inlet streams increases, by increasing the particles solution flow, the mixing of particles with the contaminated water is increased. Thus, nanoparticles are more uniformly distributed in the duct. On the other hand, angle increase between the inflow streams ducts is found to be less significant.

【 授权许可】

CC BY