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The effects of concentration of oil-droplet and surfactant on bubble absorption performance enhancement in binary nanoemulsion.

Author(s) : KIM Y. J., LEE J. K., KANG Y. T.

Summary

The objectives of this paper are to study the absorption characteristics of NH3 bubbles in binary nanoemulsions and to quantify the effects of concentration of oil-droplet and surfactant on the bubble absorption performance. C12E4 and TWEEN20 are used as the surfactants and n-decane oil is added into NH3/H2O solution to make the binary nanoemulsion. The initial concentrations of NH3/H2O solution and the concentrations of oil are considered as the key parameter. The absorption rates are calculated by measuring the inlet and outlet mass flow rates per a given time period. In addition, the droplet size in the binary nanoemulsion is measured by the particle size analyzer (ELS-Z, OTSUKA ELECTRONICS). In the case of the ratio of oil to surfactant, (4:1), it is found that the effective absorption ratio for 2.0 vol% oil and 14.3 wt% NH3/H2O becomes 17% higher than that for the base fluid.

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Pages: 245-252

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Details

  • Original title: The effects of concentration of oil-droplet and surfactant on bubble absorption performance enhancement in binary nanoemulsion.
  • Record ID : 30001197
  • Languages: English
  • Source: Sources/sinks Alternative to the Outside Air for Heat Pump and Air-conditioning Techniques (Alternative Sources - AS), Padua, Italy, April 5-7, 2011. / International Sorption Heat Pump Conference (ISHPC11), Padua, Italy, April 6-8, 2011.
  • Publication date: 2011/04/06

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