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Title: Improved design of microchannel plate geometry for uniform flow distribution
Authors: Balaji, S.
Lakshminarayanan, S. 
Keywords: Flow uniformity
Micro heat exchanger
Plate geometry
Issue Date: Dec-2006
Citation: Balaji, S.,Lakshminarayanan, S. (2006-12). Improved design of microchannel plate geometry for uniform flow distribution. Canadian Journal of Chemical Engineering 84 (6) : 715-721. ScholarBank@NUS Repository.
Abstract: The need to achieve high throughput in micro devices leads to high velocities through the microchannels leading to high pressure drops. Due to the nature of the microchannel plate geometry, the highest pressure drop may get localized to cause uneven flows along the microchannels leading to performance reduction. To maintain uniform flow distribution even under high throughput conditions, a two-dimensional model has been constructed to study the flow distribution along the microchannels for various plate geometries of a micro heat exchanger. A novel micro heat exchanger configuration to achieve uniform flow distribution under all operating conditions has been proposed, modelled and tested. From the results obtained, it can be seen that the plate geometry with inlet and outlet valves inline with the microchannels along with two inlets and four outlets (for possible counter-current heat exchange operation) provides uniform flow distribution under a wide range of flow conditions.
Source Title: Canadian Journal of Chemical Engineering
ISSN: 00084034
Appears in Collections:Staff Publications

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