| Titre : |
Analytical and numerical solutions of Oldroyd 8-constant fluid in double-layer optical fiber coating |
| Type de document : |
texte imprimé |
| Auteurs : |
Zeeshan Khan, Auteur ; Haroon Ur Rasheed, Auteur ; Murad Ullah, Auteur ; Taza Gul, Auteur ; Akhtar Jan, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 235-248 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Analyse numérique
Composites à fibres
Fibres optiques
Humide sur humide (revêtements)
Optimale homotopique asymptotique, Méthode
Revêtements multicouches
Revêtements organiques
Rhéologie
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Polymer flow during wire coating in a pressure-type casting die has been simulated under non-isothermal conditions. The flow is dependent on the wire velocity, geometry of the die, and the viscosity of the polymer. In the present study, the constitutive equation of an Oldroyd 8-constant fluid is used to characterize the rheology of the polymer melt. The equation describing the flow of polymer melt inside the die is solved (1) analytically by applying optimal homotopy asymptotic method (OHAM) and (2) numerically by the shooting method with Runge–Kutta–Fehlberg algorithm. The convergence of the series solution is established. The effect of physical characteristics of the problem has been discussed in detail through graphs by assigning numerical values for several parameters of interest. At the end, the present study is also compared with published work as a particular case and good agreement is found. |
| Note de contenu : |
- Basic equations and the problem formulation
- OHAM solution
- Numerical solution |
| DOI : |
10.1007/s11998-018-0113-0 |
| En ligne : |
https://link.springer.com/article/10.1007/s11998-018-0113-0 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31994 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 1 (01/2019) . - p. 235-248
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