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Microchannel miter bend effects on pressure equalization and vortex formation

Link to publisher's homepage at http://www.springerlink.com/

محفوظ في:
التفاصيل البيبلوغرافية
المؤلفون الرئيسيون: Taniselass, S., Retnasamy, Vithyacharan, Poopalan, Prabakaran, Prof. Madya Dr.
مؤلفون آخرون: stevej2j77@yahoo.com
التنسيق: مقال
اللغة:English
منشور في: Springer-Verlag 2011
الموضوعات:
Microchannel
Vortex formation
Simulation
الوصول للمادة أونلاين:http://dspace.unimap.edu.my/xmlui/handle/123456789/12190
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id my.unimap-12190
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spelling my.unimap-121902011-06-10T07:52:07Z Microchannel miter bend effects on pressure equalization and vortex formation Taniselass, S. Retnasamy, Vithyacharan Poopalan, Prabakaran, Prof. Madya Dr. stevej2j77@yahoo.com prabakaran@unimap.edu.my Microchannel Vortex formation Simulation Link to publisher's homepage at http://www.springerlink.com/ Simulations have been carried out for water flow in a square microchannel with a miter bend. The simulation considered a pressure-driven flow in a channel-hydraulic diameter of 5 μm for series of Reynolds number (Re) range from 0.056 to 560, in order to investigate water flow at bends. The result shows formation of two vortices after the miter bend, which are more discernible above Re 5.6. The critical inlet velocity for the generation of vortex in this particular geometry occurs at 1 m/s. A simple energy mechanism is postulated to explain the vortex formation as well as core skew direction. The high pressure region at the outer wall before and after the bend is a major factor for vortex formation since the liquid needs to reduce the additional energy effected by the high pressure region. Navier-Stokes equation is utilized with a no slip boundary condition for a total microchannel centerline length of 795 μm which is sufficient to produce a laminar flow pattern at the outlet. 2011-06-10T07:52:07Z 2011-06-10T07:52:07Z 2011 Article Microsystem Technologies, vol.17(3), 2011, pages 469-475 0946-7076 http://www.springerlink.com/content/b8214718h7r04204/ http://hdl.handle.net/123456789/12190 en Springer-Verlag
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 Microchannel
Vortex formation
Simulation
spellingShingle Microchannel
Vortex formation
Simulation
Taniselass, S.
Retnasamy, Vithyacharan
Poopalan, Prabakaran, Prof. Madya Dr.
Microchannel miter bend effects on pressure equalization and vortex formation
description Link to publisher's homepage at http://www.springerlink.com/
author2 stevej2j77@yahoo.com
author_facet stevej2j77@yahoo.com
Taniselass, S.
Retnasamy, Vithyacharan
Poopalan, Prabakaran, Prof. Madya Dr.
format Article
author Taniselass, S.
Retnasamy, Vithyacharan
Poopalan, Prabakaran, Prof. Madya Dr.
author_sort Taniselass, S.
title Microchannel miter bend effects on pressure equalization and vortex formation
title_short Microchannel miter bend effects on pressure equalization and vortex formation
title_full Microchannel miter bend effects on pressure equalization and vortex formation
title_fullStr Microchannel miter bend effects on pressure equalization and vortex formation
title_full_unstemmed Microchannel miter bend effects on pressure equalization and vortex formation
title_sort microchannel miter bend effects on pressure equalization and vortex formation
publisher Springer-Verlag
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/12190
_version_ 1643790619180531712
score 13.250246

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