Journal
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
Volume 32, Issue 3-4, Pages 445-453Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2004.07.007
Keywords
absorption; LiBr-H2O solution; heat and mass transfer; drainage patterns
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Heat and mass transfer characteristics of thin-film flow of LiBr-H2O solution over a single horizontal tube were examined experimentally and a useful set of the measured data were provided. Variables were the flow rate and temperature of the solution, absorber pressure, and the drainage pattern. The liquid film appeared wavy as the absorption rate became large; this could be achieved by decreasing the flow rate and the temperature of the solution and/or by increasing the absorber pressure. Absorption rate strongly depended on the absorber pressure when the solution flow rate was small, while on the solution temperature as the flow rate became large. The absorption performance was higher with the sheet-flow drainage for small flow rates; however, the reverse was true when the flow rate was increased.(c) 2004 Elsevier Ltd. All rights reserved.
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