Flash Evaporation From Turbulent Water Jets

[+] Author and Article Information
D. Bharathan, T. Penney

Solar Energy Research Institute, Thermal Research Branch, Golden, Colo. 80401

J. Heat Transfer 106(2), 407-416 (May 01, 1984) (10 pages) doi:10.1115/1.3246687 History: Received May 02, 1983; Online October 20, 2009


Results of an experimental investigation of flash evaporation from turbulent planar and axisymmetric water jets are reported. In the range of jet thicknesses tested, for planar jets, due to shattering, evaporation is found to be nearly independent of the jet thickness. Evaporation from the planar jets was found to be dependent on the initial level of turbulence in the water supply manifold. An approximate analysis to model the evaporation process based on the physical phenomena and experimental observations is outlined. Comparisons between the experimental data and analytical predictions of the liquid temperature variation along the jet are included. Use of screens in the water jet are shown to be effective for enhancing evaporation.

Copyright © 1984 by ASME
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