Two-Dimensional Analytical Solution of the Laminar Forced Convection in a Circular Duct with Periodic Boundary Condition | Zendy

Mehdi Astaraki | Zendy; N. Ghiasi Tabari | Zendy

Open Access

Two-Dimensional Analytical Solution of the Laminar Forced Convection in a Circular Duct with Periodic Boundary Condition

Author(s) -

Mehdi Astaraki,

N. Ghiasi Tabari

Publication year - 2012

Publication title -

journal of thermodynamics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.112

H-Index - 11

eISSN - 1687-9252

pISSN - 1687-9244

DOI - 10.1155/2012/879390

Subject(s) - duct (anatomy) , nusselt number , laminar flow , forced convection , mechanics , boundary value problem , heat transfer , convection , thermodynamics , mathematics , physics , mathematical analysis , reynolds number , turbulence , medicine , pathology

In the present study analytical solution for forced convection heat transfer in a circular duct with a special boundary condition has been presented, because the external wall temperature is a periodic function of axial direction. Local energy balance equation is written with reference to the fully developed regime. Also governing equations are two-dimensionally solved, and the effect of duct wall thickness has been considered. The temperature distribution of fluid and solid phases is assumed as a periodic function of axial direction and finally temperature distribution in the flow field, solid wall, and local Nusselt number, is obtained analytically

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