Numerical Simulations Of Flow And Heat
Transfer Of Rectangular Impinging Jets In
Rows
Author(s)
M. Winkelstrater, H. Laschefski, G. Heiderich &
N.K. Mitra
Abstract
Numerical simulations of flow and heat
transfer of rectangular impinging jets in
rows
M. Winkelstrater, H. Laschefski, G. Heiderich &
N.K. Mitra
Institut fur Thermo- und Fluiddynamik,
Ruhr-Universitat Bochum, D-44780 Bochum,
Germany
ABSTRACT
Flow and heat transfer of rows of laminar rectangular impinging jets have been
determined from the numerical solution of Navier-Stokes and energy-equations.
The jets are in-line (ie. discharging axially) or radial (ie. discharging from the
sides). Results show that depending on the Reynolds number and the geometry,
the jet interaction can cause flow separation and vortices. With increasing
Reynolds number the flow becomes periodic and eventually chaotic.
INTRODUCTION
Impinging jets are used for heating, cooling or drying of surfaces. They find
applications in paper, glass or textile industries and electronic cooling. These
jets discharge from round or rectangular slots. They can be axial or radial. An
axial jet produces large transfer
Keywords
Related Book
Other papers in this volume
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