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A numerical investigation of incompressible viscous flow in a helical square annulus

Author

Listed:
  • Nobari, M.R.H.
  • Kazemi, S.
  • Nourian, V.
  • Adib, M.

Abstract

In this article incompressible viscous flow in a helical square annulus is investigated numerically. The governing equations including the continuity and Navier–Stokes equations are written in an orthogonal helical coordinate system. This provides a uniform computational domain with a capability of using an exact second order finite difference method based on the projection algorithm to discretize the governing equations. The numerical results obtained study the effects of different non-dimensional parameters such as torsion, curvature, Reynolds number and aspect ratio on the secondary flow, axial velocity and friction factor in detail.

Suggested Citation

  • Nobari, M.R.H. & Kazemi, S. & Nourian, V. & Adib, M., 2016. "A numerical investigation of incompressible viscous flow in a helical square annulus," Applied Mathematics and Computation, Elsevier, vol. 277(C), pages 127-141.
    • Handle: RePEc:eee:apmaco:v:277:y:2016:i:c:p:127-141
    DOI: 10.1016/j.amc.2015.12.035
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    References listed on IDEAS

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    1. Amani, E. & Nobari, M.R.H., 2011. "A numerical investigation of entropy generation in the entrance region of curved pipes at constant wall temperature," Energy, Elsevier, vol. 36(8), pages 4909-4918.
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