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NUMERICAL SIMULATION OF NATURAL CONVECTION IN A LAMINAR TWO – DIMENSIONAL FLOW THROUGH A VERTICAL RECTANGULAR DUCT. | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 3, Issue 1, 2010, Pages 51-63 PDF (0 K) | ||
| Abstract | ||
| This research uesd to compute the flow field variables of natural convection air flow based on finite difference computational fluid dynamic methods. The problem considered deals with a two-dimensional internal, laminer , isothermal flow over a vertical rectangular duct. In this work, governing equations were solved using finite different forward explicit technique. The flow characterstics are evaluated for Prandtl number at 0.7 and dimensionless inlet velocity equals to 0.005. The results explain that the heat transfer rate is a strong function of flow velocity also the hydrodynamic properties such as pressure, temperature and velocity are increased when the flow moves upward the duct.The results showed a good agreement with other published results. | ||
| Keywords | ||
| Natural Convection; CFD; Vertical duct; Buoyancy; Induced flow | ||
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