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CHT'01 - Advances in Computational Heat Transfer II. Proceedings of a Second Symposium
2001, 20-25 May, Palm Cove, Queensland, Australia

SIMULATION OF BUOYANCY-DRIVEN FLOW AND HEAT TRANSFER IN A HORIZONTAL ANNULUS WITH VERTICAL ECCENTRICITY

pages 897-904
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SINOPSIS

Numerical simulations are presented for laminar buoyancy-driven flows and heat transfer in an annulus between two vertically eccentric pipes using the penalty finite element method. The simulations were accomplished for Rayleigh numbers between 10 and 105, a Prandtl number of 0.706 and radius ratio of 2.6, with various eccentricities. The Boussinesq approximation has been used for this steady, two-dimensional model. The formulation was based on primitive variables. Numerical results are presented in terms of isotherms, streamlines, velocity vectors and Nusselt numbers. The results are compared with recent publications and excellent agreement has been found.

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