Numerical simulation of thermal transport associated with a continuously moving flat sheet in rolling or extrusion

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Abstract

The thermal transport that arises due to the continuous motion of a heated plate or sheet in manufacturing processes such as hot rolling extrusion, continuous casting and drawing is numerically investigated. The resulting temperature distribution in the solid is influenced by the associated flow in the cooling fluid and is of particular interest in this work. A numerical study is carried out, assuming a two-dimensional, steady circumstance. The full governing equations, including buoyancy effects, are solved, employing finite-difference techniques. The effect of various governing parameters, such as the Peclet number, the mixed convection parameter, and the conductivity parameter, which determine the temperature and flow fields, is studied in detail. Also, the effects of the boundary conditions, at the location of the emergence of the plate, on the downstream thermal transport are investigated. The penetration of the conductive effects, upstream of the point of emergence, is found to be significant. The effect of buoyancy is found to be more prominent when the plate is moving vertically upward than when it is moving horizontally.

Original languageEnglish (US)
Pages (from-to)37-45
Number of pages9
JournalAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Volume96
StatePublished - Dec 1 1988
EventASME Proceedings of the 1988 National Heat Transfer Conference - Houston, TX, USA
Duration: Jul 24 1988Jul 27 1988

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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