An experimental investigation has been conducted to quantify the extent by which monolayers of fatty alcohols can reduce evaporation from a deep stationary water pool within a controlled environment. Octadecanol (stearyl alcohol), C17H35–CH2–OH, was chosen as the surface film and ethanol was selected to be the spreading agent. Evaporation suppression of 60 percent was achieved at a water temperature of 25°C with an air temperature of 20°C and a relative humidity of 70 percent. The experimental techniques and data have been validated by comparing the measured evaporation rates for film-free water with earlier data published by other investigators. Data for the evaporation rates of water covered by octadecanol films were correlated as a function of vapor concentration differences between the water surface and air.
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On the Use of Monolayers to Reduce Evaporation From Stationary Water Pools
T. D. Tang,
T. D. Tang
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
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M. T. Pauken,
M. T. Pauken
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
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S. M. Jeter,
S. M. Jeter
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
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S. I. Abdel-Khalik
S. I. Abdel-Khalik
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
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T. D. Tang
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
M. T. Pauken
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
S. M. Jeter
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
S. I. Abdel-Khalik
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405
J. Heat Transfer. Feb 1993, 115(1): 209-214 (6 pages)
Published Online: February 1, 1993
Article history
Received:
March 1, 1992
Revised:
June 1, 1992
Online:
May 23, 2008
Citation
Tang, T. D., Pauken, M. T., Jeter, S. M., and Abdel-Khalik, S. I. (February 1, 1993). "On the Use of Monolayers to Reduce Evaporation From Stationary Water Pools." ASME. J. Heat Transfer. February 1993; 115(1): 209–214. https://doi.org/10.1115/1.2910650
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