Geometrically Similar Rectangular Passive Micromixers and the Scaling Validity on Mixing Efficiency and Pressure Drops-Reference-Cited by-同舟云学术

Geometrically Similar Rectangular Passive Micromixers and the Scaling Validity on Mixing Efficiency and Pressure Drops

Published:2019-05-01 Issue:1 Volume:69 Page:69-84
ISSN:2450-5471
Container-title:Strojnícky casopis – Journal of Mechanical Engineering
language:en
Short-container-title:

Author:

Naresh Veldurthi¹,Bodas D.²,Sunil Chandel³,Tejashree Bhave¹

Affiliation:

1. Department of Applied Physics, Defence Institute of Advanced Technology , Girinagar, Pune - 411025 , India

2. Centre for Nanobioscience, Agharkar Research Institute , Pune - 411004 , India .

3. Department of Mechanical Engineering, Defence Institute of Advanced Technology , Girinagar, Pune - 411025 , India

Abstract

Abstract In the present work, two geometrically similar passive geometries with dumbbell shape were designed to perturb the dominating viscous forces in the low Reynolds number (Re) flows of the fluids. The geometries were designated as PDM-I and PDM-II, in which all the linear dimensions were related by a constant scale factor of two. Mixing efficiencies and pressure drops of the species at various Reynolds number (Re) were calculated to estimate the scaling effect validations. Finally, the geometrically similar PDM geometries were fabricated in Polydimethylsiloxane (PDMS) polymer to evaluate the scaling effect on the mixing efficiencies of the dyes and validated with the simulation results of species mixing.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering

Link

https://www.sciendo.com/pdf/10.2478/scjme-2019-0006

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