thermal fluid flow transport phenomenon in unsteady rotating drum during spin-down process

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ID: 256367
2005
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Abstract
Numerical analysis is performed on unsteady-state thermal fluid flow transport phenomena in a rotating drum heated at constant wall temperature during a spin-down process. Emphasis is placed on the effect of aspect ratio of the drum on the velocity and temperature fields. The governing equations are discretized by means of a finite-difference technique and numerically solved to determine the distributions of velocity vector and fluid temperature in the drum. It is disclosed from the study that (i) the formation of Ekman boundary layers on both sidewalls of the drum results in a pair of recirculating flows, and (ii) an attenuation of the flow velocity is affected by the aspect ratio of a drum. Results may be used to develop a method to achieve uniform mixing in an enclosed vessel.
Reference Key
torii2005internationalthermal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Shuichi Torii;Wen-Jei Yang
Journal ACS omega
Year 2005
DOI
10.1155/IJRM.2005.197
URL
http://dx.doi.org/10.1155/IJRM.2005.197
Keywords
rotating drum engineering (general) civil engineering (general) secondary flow

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