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Numerical study on polymer nanofibers with electrically charged jet of viscoelastic fluid in electrospinning process
journal contribution
posted on 2017-10-01, 00:00 authored by P Valipour, H Zaersabet, M Hatami, Ali Zolfagharian, S E GhasemiElectrospinning is a useful and efficient technique to produce polymeric nanofibers. Nanofibers of polymers are electrospun by creating an electrically charged jet of polymer solution. Numerical study on non-Newtonian and viscoelastic jets of polymer nanofibers in electrospinning process is presented in this work. In particular, the effect of non-Newtonian rheology on the jet profile during the electrospinning process is examined. The governing equations of the problem are solved numerically using the Keller-Box method. The effects of yield stress and power-law index on the elongation, velocity, stress and total force are presented and discussed in detail. The results show that by increasing the values of yield stress, the fluid elongation is reduced significantly.
History
Journal
Journal of Central South UniversityVolume
24Issue
10Pagination
2275 - 2280Publisher
SpringerLocation
Berlin, GermanyPublisher DOI
ISSN
2095-2899eISSN
2227-5223Language
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2017, Central South University Press and Springer-Verlag GmbH Germany, part of Springer NatureUsage metrics
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No categories selectedKeywords
nanofiberselectrospinningelectrically charged jetviscoelastic fluidsynthetic polymersScience & TechnologyTechnologyMetallurgy & Metallurgical EngineeringDIFFERENTIAL QUADRATURE METHODFLEXIBLE WIPER SYSTEMARTIFICIAL-INTELLIGENCEBENDING INSTABILITYSTRETCHING SHEETCARBON NANOTUBESTHERMAL-ANALYSISHEAT-GENERATIONPOROUS-MEDIUMBLOOD-FLOW
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