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Proceedings of HT2005 2005 ASME Summer Heat Transfer Conference
 

Summary: Proceedings of HT2005
2005 ASME Summer Heat Transfer Conference
July 17-22, 2005, San Francisco, California, USA
HT2005-72582
EFFECTS OF A WIRE MESH ON DROPLET SIZE AND VELOCITY DISTRIBUTIONS
OF CRYOGENIC SPRAYS
Walfre Franco, Henry Vu and Guillermo Aguilar
Laboratory of Transport Phenomena for Biomedical Applications
Department of Mechanical Engineering, University of California Riverside, Riverside CA 92521
ABSTRACT
Cryogen spray cooling allows removing large amounts of heat
in short periods of time. Previous investigations have shown
that stainless steel wire meshes placed between spray nozzle
and target surfaces effectively increase uniformity in lateral
heat extraction while reducing cooling efficiency. In this study
we used phase Doppler particle analysis to assess the effect of a
wire mesh on the diameter and velocity radial distributions of
cryogen droplets and, consequently, on the surface heat
transfer. We measured at 40 mm downstream and various radial
locations within steady state spray cones from two different

  

Source: Aguilar, Guillermo - Department of Mechanical Engineering, University of California at Riverside

 

Collections: Engineering