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Numerical Technique of Flow Heat through Various Configurations of Steel Shapes

Journal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.3, No. 1)

Publication Date:

Authors : ;

Page : 247-252

Keywords : Heat transfer; Numerical analysis; Heat flow.;

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A numerical study of heat transfer through various configuration Of steel shapes are studied in details. The base surface of the shape is assumed at uniform base temperature, while the other surfaces are exposed to natural convection. The governing equations for conduction in the steel section shape are written in finite difference form and are solved numerically by using an iterative technique coupled with the natural convection boundary conditions. The effect of changing the temperature difference (between base and ambient), inclination angle and aspect ratio on the temperature and heat flow distributions and total heat transfer from the shape is studied in details. The results show that the total heat transfer increases as the temperature difference increases and as the aspect ratio decreases. It also increases as the inclination angle increases 0≤ ɵ≤ π except when ɵ= π /2 and ɵ = π. Under the same conditions, L-shape has the highest overall heat transfer coefficient and the lowest one is T-shape. General correlations in the range of the studied parameters are given. They help the designers to calculate simply the total heat transfer from different shapes of steel structure at different operating and geometrical conditions

Last modified: 2018-04-16 21:32:13