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Flow and heat transfer of two immiscible fluids in double-layer optical fiber coating

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Abstract

The coatings of optical fibers are generally characterized by a multi-layer coating structure. In this work, the mathematical modeling of two immiscible non-Newtonian fluids for optical fiber coating inside a straight annular die is developed in the form of a nonlinear differential equation with nonhomogeneous boundary conditions. Two non-Newtonian fluids, namely power law and Phan-Thien–Tanner fluids, are used in the primary and secondary coating dies, respectively. An exact solution is obtained for velocity fields and temperature distributions for the primary and secondary coating resins. The thickness of coated fiber optics is also calculated for both layers. The effect of different emerging parameters on the solution is discussed and sketched.

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Authors and Affiliations

  1. Department of Mathematics, Abdul Wali Khan University, Mardan, KPK, Pakistan

    Zeeshan Khan & Saeed Islam

  2. Department of Basic Sciences and Islamiat, University of Engineering and Technology, Peshawar, KPK, Pakistan

    Rehan Ali Shah

  3. Department of Basic Sciences, College of Engineering Majmaah University, P.O. Box 66, Majmaah, 11952, Saudi Arabia

    Ilyas Khan

Authors
  1. Zeeshan Khan
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  2. Saeed Islam
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  3. Rehan Ali Shah
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  4. Ilyas Khan
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Correspondence to Zeeshan Khan.

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Khan, Z., Islam, S., Shah, R.A. et al. Flow and heat transfer of two immiscible fluids in double-layer optical fiber coating. J Coat Technol Res 13, 1055–1063 (2016). https://doi.org/10.1007/s11998-016-9817-1

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  • DOI: https://doi.org/10.1007/s11998-016-9817-1

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