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Efficient simulation of gas flow in blast furnace
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay.
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay.
2009 (Engelska)Ingår i: Computers, Materials & Continua, ISSN 1546-2218, Vol. 10, nr 2, s. 195-216Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

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 vertical bar nu vertical bar term in the Ergun equation by solving linearized form of Ergun equation and updating vertical bar nu vertical bar 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

Ort, förlag, år, upplaga, sidor
2009. Vol. 10, nr 2, s. 195-216
Identifikatorer
URN: urn:nbn:se:ltu:diva-15833Lokalt ID: f6405b85-f058-4a0c-aae8-afb968272f26OAI: oai:DiVA.org:ltu-15833DiVA, id: diva2:988808
Anmärkning
Upprättat; 2012; 20121012 (andbra)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-05-28Bibliografiskt granskad

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