NDLI: Forced convection of air through networks of square rods or cylinders embedded in microchannels

Content Provider	Springer Nature Link
Author	Vu, T. L. Lauriat, G. Manca, O.
Copyright Year	2013
Abstract	Forced convection of air at near-standard conditions through periodical networks of micrometer square rods or cylinders is investigated. The Navier–Stokes equations subjected to first-order velocity-slip condition, and energy equations for the fluid and solid phases are numerically solved for two-dimensional structures. The flow is created by imposing pressure gradients, and heat is volumetrically generated inside the solid rods. Assuming periodicity in the direction transverse to the pressure gradient, the computational domain consists in long open channels, partially filled with solid rods placed regularly. The various structures considered are then modeled as porous media. For the permeability calculations, both volume averaging technique and multiple scale expansion technique are employed, and the results are favorably compared. The slip effect on permeability is highlighted for Knudsen number of about 0.05. On the other hand, the use of a periodic approach in the flow direction for heat transfer calculations is demonstrated not to be based on realistic assumptions. In addition, the importance of axial heat diffusion in channels of width close to one micrometer is emphasized. The reason is found in the low Péclet numbers typically encountered when the incompressible approximation is invoked. Based on numerical solutions at the microscopic scale, a new macroscopic modeling is suggested. Comparisons between numerical solutions and analytical predictions for various networks of rods are discussed. A very good agreement is shown.
Starting Page	287
Ending Page	304
Page Count	18
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	16
Issue Number	1-2
e-ISSN	16134990
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-07-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microchannel Porous media Forced convection Slip permeability Engineering Fluid Dynamics Biomedical Engineering Analytical Chemistry Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Gaseous slip flow forced convection through ordered microcylinders

Permeability model for fractal porous media with rough surfaces

Buoyancy effects on gaseous slip flow in a vertical rectangular microchannel

Characterization of wood micromorphology from gas permeability measurements

Determining the intrinsic permeability of tight porous media based on bivelocity hydrodynetics

Bubbly flow and gas–liquid mass transfer in square and circular microchannels for stress-free and rigid interfaces: dissolution model

Bubbly flow and gas–liquid mass transfer in square and circular microchannels for stress-free and rigid interfaces: CFD analysis

Hydrodynamics of flow through microchannels with hydrophobic strips

Microchannel plate electro-osmotic pump

Forced convection of air through networks of square rods or cylinders embedded in microchannels

Similar Documents

Gaseous slip flow forced convection through ordered microcylinders

Permeability model for fractal porous media with rough surfaces

Buoyancy effects on gaseous slip flow in a vertical rectangular microchannel

Characterization of wood micromorphology from gas permeability measurements

Determining the intrinsic permeability of tight porous media based on bivelocity hydrodynetics

Bubbly flow and gas–liquid mass transfer in square and circular microchannels for stress-free and rigid interfaces: dissolution model

Bubbly flow and gas–liquid mass transfer in square and circular microchannels for stress-free and rigid interfaces: CFD analysis

Hydrodynamics of flow through microchannels with hydrophobic strips

Microchannel plate electro-osmotic pump

Forced convection of air through networks of square rods or cylinders embedded in microchannels