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Heat Transfer in a Microtube or Microchannel with Protrusions
2011
Frontiers in Heat and Mass Transfer
This paper presents the effects of protrusions on heat transfer in a microtube and in a two-dimensional microchannel of finite wall thickness. The effects of protrusion shape, size, and number were investigated. Calculations were done for incompressible flow of a Newtonian fluid with developing momentum and thermal boundary layers under uniform and discrete heating conditions. It was found that the local Nusselt number near a protrusion changes significantly with the variations of Reynolds
doi:10.5098/hmt.v2.1.3003
fatcat:qpuv4pbhsjbk5hbqx5lmvx53vy