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Efficient Simulation of Gas Flow in Blast Furnace

P. B. Abhale1, N. N. Viswanathan1, N. B. Ballal1

Department of Metallurgical Engineering and Materials Science, IIT Bombay, Powai, India-400076

Computers, Materials & Continua 2009, 10(2), 195-216. https://doi.org/10.3970/cmc.2009.010.195

Abstract

Simulation of gas flow in a multilayered non-isothermal packed bed is useful for blast furnace operators in deciding appropriate charging strategy. While using an anisotropic form of Ergun equation to simulate gas flow through such systems, a new solution methodology for non-isothermal gas with varying density flowing through a layered burden has been proposed. This involves handling non-linearity due to gas density variation with pressure and temperature by solving for the square of pressure instead of pressure directly and handling the non-linearity due to |v| term in the Ergun equation by solving linearized form of Ergun equation and updating |v| iteratively. The proposed scheme is capable of predicting the effect of layer structure on gas flow with economy in number of grid points as well as computation time.

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Cite This Article

P. B. . Abhale, N. N. . Viswanathan and N. B. . Ballal, "Efficient simulation of gas flow in blast furnace," Computers, Materials & Continua, vol. 10, no.2, pp. 195–216, 2009.



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