Intensification of cooling by a pulsed gas-droplet flow: Equipment,parameters, and results |
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Authors: | A D Nazarov A F Serov and M V Bodrov |
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Institution: | (1) Procter and Gamble Company, 8256 Union Centre Boulevard, West Chester, OH 45069, USA |
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Abstract: | A bench for studying heat exchange between a pulsed spray and a surface heated to a temperature below the boiling point is
designed. A calorimeter to measure the integral heat exchange accurate to 1.5–3.0% and equipment generating the pulse spray
are described. The main parameters of the forming gas-drop-let flow (the gas and liquid velocities, the variation of the hydropulse
duration and the size of flow-constituting droplets when moving toward a heat exchanger, and the liquid concentration distribution
over the cross section and along the flow) and respective measuring techniques are given. It is shown that the duration of
a droplet train in the flow influences heat-and-mass transfer. |
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Keywords: | |
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