Characterization of Newtonian Fluid Flow in Variable Cross-Section Microchannels: With Application in Flow Regulation Devices

2011 ◽  
Keyword(s):  
Fluid Flow ◽  
Cross Section ◽  
Newtonian Fluid ◽  
Variable Cross Section ◽  
Flow Regulation ◽  
Variable Cross

scholarly journals Characterization of Soft Tooling Photopolymers and Processes for Micromixing Devices with Variable Cross-Section

Micromachines ◽  
2020 ◽  
Vol 11 (11) ◽  
pp. 970
Author(s):  
J. Israel Martínez-López ◽  
Héctor Andrés Betancourt Cervantes ◽  
Luis Donaldo Cuevas Iturbe ◽  
Elisa Vázquez ◽  
Edisson A. Naula ◽  
...  
Keyword(s):  
Flow Regime ◽  
Cross Section ◽  
Cross Sections ◽  
Microfluidic Devices ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Multiple Cross ◽  
3D Printed

In this paper, we characterized an assortment of photopolymers and stereolithography processes to produce 3D-printed molds and polydimethylsiloxane (PDMS) castings of micromixing devices. Once materials and processes were screened, the validation of the soft tooling approach in microfluidic devices was carried out through a case study. An asymmetric split-and-recombine device with different cross-sections was manufactured and tested under different regime conditions (10 < Re < 70). Mixing performances between 3% and 96% were obtained depending on the flow regime and the pitch-to-depth ratio. The study shows that 3D-printed soft tooling can provide other benefits such as multiple cross-sections and other potential layouts on a single mold.

Numerical simulation of a boiling up fluid flow in the variable cross-section channels

2011 ◽  
Vol 54 (4) ◽  
pp. 402-411
Author(s):  
A. L. Tukmakov ◽  
V. G. Tonkonog ◽  
A. G. Kochenkov ◽  
S. A. Kusyumov
Keyword(s):  
Numerical Simulation ◽  
Fluid Flow ◽  
Cross Section ◽  
Variable Cross Section ◽  
Variable Cross

Constructal heat transfer and fluid flow enhancement optimization for cylindrical microcooling channels with variable cross‐section

Heat Transfer ◽  
2021 ◽  
Author(s):  
Olabode T. Olakoyejo ◽  
Adekunle O. Adelaja ◽  
Olayinka O. Adewumi ◽  
Adeyinka A. Oluwo ◽  
Solomon K. Bello ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Fluid Flow ◽  
Cross Section ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Flow Enhancement

scholarly journals Characterization of enzymatic micromachining for construction of variable cross-section microchannel topologies

2016 ◽  
Vol 10 (3) ◽  
pp. 033102 ◽  
Author(s):  
Jen-Huang Huang ◽  
Duanduan Han ◽  
Molly E. Ruggles ◽  
Arul Jayaraman ◽  
Victor M. Ugaz
Keyword(s):  
Cross Section ◽  
Variable Cross Section ◽  
Variable Cross
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