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Optimization of interdigitated electrodes in electric field distribution and thermal effect

Microfluidic is used to separate, transport and manipulate particles through a micro-scale device. This paper presents the numerical simulation of interdigitated electrodes that is commonly used for continuous particle separation using electrical separation microfluidic device which demonstrates die...

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Main Authors:	Ismail, S., Mahmood, N. H., Abdul Razak, M. A.
Format:	Article
Published:	Universiti Teknikal Malaysia Melaka 2017
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/76618/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039959450&partnerID=40&md5=13c2945d20f283df24e57439cf07c890
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spelling	my.utm.766182018-04-30T13:44:59Z http://eprints.utm.my/id/eprint/76618/ Optimization of interdigitated electrodes in electric field distribution and thermal effect Ismail, S. Mahmood, N. H. Abdul Razak, M. A. TK Electrical engineering. Electronics Nuclear engineering Microfluidic is used to separate, transport and manipulate particles through a micro-scale device. This paper presents the numerical simulation of interdigitated electrodes that is commonly used for continuous particle separation using electrical separation microfluidic device which demonstrates dielectrophoretic (DEP) force. The strength of DEP force depends on the gradient of electric field generated by the electrodes. Besides, the effect of Joule heating generated by the electrodes would harm the living particles. The interdigitated electrodes arrays are simulated using COMSOL Multiphysics 3.5. The gradient of electric field distribution and temperature generated are simulated for different width and gap of the electrode. The simulation results are analysed and discussed to determine the best electrode dimension to be fabricated for bio-particles separation application. The optimum interdigitated electrode dimension identified in this research was 60µm:180µm (width:gap) that generate 1.92x1016 V2m-3 of electric field gradient and temperature of 68°C on the electrode surface, and electric field gradient of 1.83x1013 V2m-3 and temperature about 40°C when 80µm above the electrode with the conductivity of the fluid is 1.09 S/m (mimic blood conductivity). Universiti Teknikal Malaysia Melaka 2017 Article PeerReviewed Ismail, S. and Mahmood, N. H. and Abdul Razak, M. A. (2017) Optimization of interdigitated electrodes in electric field distribution and thermal effect. Journal of Telecommunication, Electronic and Computer Engineering, 9 (3-9). pp. 85-89. ISSN 2180-1843 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039959450&partnerID=40&md5=13c2945d20f283df24e57439cf07c890
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Ismail, S. Mahmood, N. H. Abdul Razak, M. A. Optimization of interdigitated electrodes in electric field distribution and thermal effect
description	Microfluidic is used to separate, transport and manipulate particles through a micro-scale device. This paper presents the numerical simulation of interdigitated electrodes that is commonly used for continuous particle separation using electrical separation microfluidic device which demonstrates dielectrophoretic (DEP) force. The strength of DEP force depends on the gradient of electric field generated by the electrodes. Besides, the effect of Joule heating generated by the electrodes would harm the living particles. The interdigitated electrodes arrays are simulated using COMSOL Multiphysics 3.5. The gradient of electric field distribution and temperature generated are simulated for different width and gap of the electrode. The simulation results are analysed and discussed to determine the best electrode dimension to be fabricated for bio-particles separation application. The optimum interdigitated electrode dimension identified in this research was 60µm:180µm (width:gap) that generate 1.92x1016 V2m-3 of electric field gradient and temperature of 68°C on the electrode surface, and electric field gradient of 1.83x1013 V2m-3 and temperature about 40°C when 80µm above the electrode with the conductivity of the fluid is 1.09 S/m (mimic blood conductivity).
format	Article
author	Ismail, S. Mahmood, N. H. Abdul Razak, M. A.
author_facet	Ismail, S. Mahmood, N. H. Abdul Razak, M. A.
author_sort	Ismail, S.
title	Optimization of interdigitated electrodes in electric field distribution and thermal effect
title_short	Optimization of interdigitated electrodes in electric field distribution and thermal effect
title_full	Optimization of interdigitated electrodes in electric field distribution and thermal effect
title_fullStr	Optimization of interdigitated electrodes in electric field distribution and thermal effect
title_full_unstemmed	Optimization of interdigitated electrodes in electric field distribution and thermal effect
title_sort	optimization of interdigitated electrodes in electric field distribution and thermal effect
publisher	Universiti Teknikal Malaysia Melaka
publishDate	2017
url	http://eprints.utm.my/id/eprint/76618/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039959450&partnerID=40&md5=13c2945d20f283df24e57439cf07c890
_version_	1643657362150522880
score	13.211869

Optimization of interdigitated electrodes in electric field distribution and thermal effect

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