Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100051
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dc.contributor.authorZhao, Cunluen
dc.contributor.authorYang, Chunen
dc.date.accessioned2013-09-20T07:46:40Zen
dc.date.accessioned2019-12-06T20:15:47Z-
dc.date.available2013-09-20T07:46:40Zen
dc.date.available2019-12-06T20:15:47Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationZhao, C., & Yang, C. (2012). Joule heating induced heat transfer for electroosmotic flow of power-law fluids in a microcapillary. International journal of heat and mass transfer, 55(7-8), 2044–2051.en
dc.identifier.urihttps://hdl.handle.net/10356/100051-
dc.description.abstractCapillary electrophoresis systems mainly used for chemical analyses and biomedical diagnoses usually involve biofluids in electrolyte buffers which cannot be treated as Newtonian fluids. In addition, the presence of Joule heating can limit the performance of capillary electrophoresis systems. This study presents a detailed analysis of Joule heating induced heat transfer for electroosmotic flow (EOF) of power-law fluids in a microcapillary. The steady, fully developed EOF field of power-law fluids governed by the Cauchy momentum equation is solved analytically by using two approximate schemes for modified Bessel functions, I0(x) and I1(x). Subsequently, under the widely accepted assumption of thin electric double layer (EDL) in microfluidics, an exact solution for temperature field induced by Joule heating is analytically solved from the energy equation subject to a mixed thermal boundary condition outside the capillary. Closed form expressions are obtained for the two-dimensional temperature field, the average fluid temperature and the local Nusselt number in both thermally developing and thermally developed regions. It is found that the rheological properties of power-law fluids affect the heat transfer characteristics mainly through the thermal Peclet number.en
dc.language.isoenen
dc.relation.ispartofseriesInternational journal of heat and mass transferen
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleJoule heating induced heat transfer for electroosmotic flow of power-law fluids in a microcapillaryen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1016/j.ijheatmasstransfer.2011.12.005en
item.fulltextNo Fulltext-
item.grantfulltextnone-
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