Abstract

The problem of the heat transfer from a laminar water jet to the surface on which it impinges is studied analytically. The jet flow is divided into two parts, a potential flow region and a boundary-layer region. The solution of the potential flow problem is obtained using a finite element method. The boundary-layer problem is solved by a Karman-Pohlhausen integral method. This method of treating jet impingement heat-transfer problems is tested for two-dimensional planar and axisymmetric flows. Results are also presented which include the effects of melting occurring at the impingement surface.

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