ISSN Online: 2379-1748
ISBN Flash Drive: 978-1-56700-431-1
ISBN Online: 978-1-56700-430-4
First Thermal and Fluids Engineering Summer Conference
FLOW STRUCTURES AND HEAT TRANSFER IN SUBMERGED LAMINAR JET IMPINGEMENT
Abstract
Impinging jets are well known for their high heat/mass transfer rates, widely employed in industrial cooling
and drying processes and as such have been investigated extensively. The present paper provides a comprehensive description of laminar free-surface and submerged impinging jets by summarizing the understanding
gained in recent studies by the authors. In a previous study, a correlation was formulated for free-surface and
submerged jets. However, the validity of the correlation was limited to idealized conditions, e.g. the absence
of vortices. This paper experimentally and numerically examines the flow field of submerged jets under the
presence of low amplitude perturbations, showing different types of vortex structures and mechanisms of jet
breakup.