Special Section: Selected Papers from the INFN-LNF Conference on Nanoscience and Nanotechnology

Mesoscale flow and heat transfer modelling and its application to liquid and gas flows

[+] Author Affiliations
Nikolaos Asproulis, Marco Kalweit, Evgeniy Shapiro, Dimitris Drikakis

Cranfield University, Aerospace Sciences Department, Cranfield, Bedfordshire MK43 OAL United Kingdom

J. Nanophoton. 3(1), 031960 (November 9, 2009). doi:10.1117/1.3269638
History: Received July 23, 2009; Revised November 4, 2009; Accepted November 4, 2009; November 9, 2009; Online November 09, 2009
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Abstract

Advances in micro and nanofluidics have influenced technological developments in several areas, including materials, chemistry, electronics and bio-medicine. The phenomena observed at micro and nanoscale are characterised by their inherent multiscale nature. Accurate numerical modelling of these phenomena is the cornerstone for enhancing the applicability of micro and nanofluidics in the industrial environment. We investigated different strategies for applying macroscopic boundary conditions to microscopic simulations. Continuous rescaling of atomic velocities and velocity distribution functions, such as Maxwell-Boltzmann or Chapman-Enskog, were investigated. Simulations were performed for problems involving liquids and gases under different velocity and temperature conditions. The results revealed that the selection of the most suitable method is not a trivial issue and depends on the nature of the problem, availability of computational resource and accuracy requirement.

© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Nikolaos Asproulis ; Marco Kalweit ; Evgeniy Shapiro and Dimitris Drikakis
"Mesoscale flow and heat transfer modelling and its application to liquid and gas flows", J. Nanophoton. 3(1), 031960 (November 9, 2009). ; http://dx.doi.org/10.1117/1.3269638


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