Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices

Microfluidic devices have been developing rapidly since the concept of fluid-integrated-circuits, lab-on-a-chip or micro-total-analysis systems (uTAS) was introduced. Among the great benefits of miniaturized devices are that they require less fabrication material and can also be manufactured as chea...

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Main Author: Mohd Fairuz Harun
Other Authors: Prabakaran Poopalan, Assoc. Prof. Dr. (Advisor)
Format: Learning Object
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2008
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Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/1329
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spelling my.unimap-13292008-10-29T04:54:13Z Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices Mohd Fairuz Harun Prabakaran Poopalan, Assoc. Prof. Dr. (Advisor) Microfluidic devices Computational Fluids Dynamic (CFD) Fluid dynamics -- Mathematical models Fluid dynamics -- Computer programs Microfluidics Fluidic devices Microfluidic devices have been developing rapidly since the concept of fluid-integrated-circuits, lab-on-a-chip or micro-total-analysis systems (uTAS) was introduced. Among the great benefits of miniaturized devices are that they require less fabrication material and can also be manufactured as cheap disposable test kits. They consume smaller amounts of expensive reagents in comparison to conventional macro-scale devices and can control temperature and other system properties precisely. Miniaturized systems can increase yields significantly in chemical, engineering, biological and clinical applications and can also reduce process time. More importantly, micro-devices can have additional functionalities beyond those of conventional devices, with the potential to revolutionize many scientific areas and associated industries. The design, fabrication and application in microfluidics has attracted researchers from a variety of disciplines including chemistry, biology, physics, engineering and applied mathematics. This report focused on laminar flow which is the definitive characteristic of microfluidics. Fluids flowing in channels with dimensions on the order of certain micron size and at readily achievable flow speeds are characterized by low Reynolds number, Re as described in introduction, flows in this regime are laminar, not turbulent: The surfaces of constant flow speed are smooth over the typical dimension of the system, and random fluctuations of the flow in time are absent. In the long, narrow geometries of microchannels, flows are also predominantly uniaxial: The entire fluid moves parallel to the local orientation of the walls. The significance of uniaxial laminar flow is that all transport of momentum, mass, and heat in the direction normal to the flow is left to molecular mechanisms: molecular viscosity, molecular diffusivity, and thermal conductivity. 2008-06-27T07:39:11Z 2008-06-27T07:39:11Z 2007-03 Learning Object http://hdl.handle.net/123456789/1329 en Universiti Malaysia Perlis (UniMAP) School of Microelectronic Engineering
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Microfluidic devices
Computational Fluids Dynamic (CFD)
Fluid dynamics -- Mathematical models
Fluid dynamics -- Computer programs
Microfluidics
Fluidic devices
spellingShingle Microfluidic devices
Computational Fluids Dynamic (CFD)
Fluid dynamics -- Mathematical models
Fluid dynamics -- Computer programs
Microfluidics
Fluidic devices
Mohd Fairuz Harun
Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
description Microfluidic devices have been developing rapidly since the concept of fluid-integrated-circuits, lab-on-a-chip or micro-total-analysis systems (uTAS) was introduced. Among the great benefits of miniaturized devices are that they require less fabrication material and can also be manufactured as cheap disposable test kits. They consume smaller amounts of expensive reagents in comparison to conventional macro-scale devices and can control temperature and other system properties precisely. Miniaturized systems can increase yields significantly in chemical, engineering, biological and clinical applications and can also reduce process time. More importantly, micro-devices can have additional functionalities beyond those of conventional devices, with the potential to revolutionize many scientific areas and associated industries. The design, fabrication and application in microfluidics has attracted researchers from a variety of disciplines including chemistry, biology, physics, engineering and applied mathematics. This report focused on laminar flow which is the definitive characteristic of microfluidics. Fluids flowing in channels with dimensions on the order of certain micron size and at readily achievable flow speeds are characterized by low Reynolds number, Re as described in introduction, flows in this regime are laminar, not turbulent: The surfaces of constant flow speed are smooth over the typical dimension of the system, and random fluctuations of the flow in time are absent. In the long, narrow geometries of microchannels, flows are also predominantly uniaxial: The entire fluid moves parallel to the local orientation of the walls. The significance of uniaxial laminar flow is that all transport of momentum, mass, and heat in the direction normal to the flow is left to molecular mechanisms: molecular viscosity, molecular diffusivity, and thermal conductivity.
author2 Prabakaran Poopalan, Assoc. Prof. Dr. (Advisor)
author_facet Prabakaran Poopalan, Assoc. Prof. Dr. (Advisor)
Mohd Fairuz Harun
format Learning Object
author Mohd Fairuz Harun
author_sort Mohd Fairuz Harun
title Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
title_short Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
title_full Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
title_fullStr Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
title_full_unstemmed Computational Fluid Dynamic (CFD) for Microchannel Microfluidic Devices
title_sort computational fluid dynamic (cfd) for microchannel microfluidic devices
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2008
url http://dspace.unimap.edu.my/xmlui/handle/123456789/1329
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score 13.211869