Saturated nucleate pool boiling of aqueous surfactant solutions on a horizontal cylindrical heater has been experimentally investigated. Sodium dodecyl or lauryl sulfate (SDS or SLS), an anionic surfactant, is employed. Boiling performance, relative to that for pure water, is found to be enhanced significantly by the presence of SDS, with an early onset of nucleate boiling. An optimum level of enhancement is observed in solutions at or near critical micelle concentration of the surfactant; the enhancement, however, decreases considerably in higher concentration solutions. The dynamic surface tension measurements indicate a substantial influence of temperature on the overall adsorption isotherm. The diffusion kinetics of surfactant molecules and micelles is, therefore, expected to be quite different at boiling temperature than at room temperature. This greatly modifies the boiling mechanism that is generally characterized by the formation of smaller-size bubbles with increased departure frequencies, and a decreased tendency to coalesce which causes considerable foaming. [S0022-1481(00)00704-0]
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e-mail: Raj.Manglik@uc.edu
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Technical Papers
Pool Boiling Heat Transfer in Aqueous Solutions of an Anionic Surfactant
V. M. Wasekar,
V. M. Wasekar
Thermal-Fluids and Thermal Processing Laboratory, Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072
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R. M. Manglik, Mem. ASME
e-mail: Raj.Manglik@uc.edu
R. M. Manglik, Mem. ASME
Thermal-Fluids and Thermal Processing Laboratory, Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072
11
Search for other works by this author on:
V. M. Wasekar
Thermal-Fluids and Thermal Processing Laboratory, Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072
R. M. Manglik, Mem. ASME
11
Thermal-Fluids and Thermal Processing Laboratory, Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072
e-mail: Raj.Manglik@uc.edu
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division, Aug. 16, 1999; revision received, May 18, 2000. Associate Technical Editor: S. S. Sadhal.
J. Heat Transfer. Nov 2000, 122(4): 708-715 (8 pages)
Published Online: May 18, 2000
Article history
Received:
August 16, 1999
Revised:
May 18, 2000
Citation
Wasekar , V. M., and Manglik, R. M. (May 18, 2000). "Pool Boiling Heat Transfer in Aqueous Solutions of an Anionic Surfactant ." ASME. J. Heat Transfer. November 2000; 122(4): 708–715. https://doi.org/10.1115/1.1316785
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