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Direct-contact evaporation in the homogeneous and heterogeneous bubbling regimes. 2. Dynamic simulation.

Author(s) : RIBEIRO C. P. Jr, LAGE P. L. C.

Type of article: Article

Summary

Considering the bimodal feature of the bubble size distribution in the heterogeneous regime, a recently developed model for simulating direct-contact evaporators operating in the homogeneous regime was extended to the heterogeneous bubbling regime, enabling, thereby, the simulation of a direct-contact evaporator for any bubbling regime. The proposed model includes a correction factor for isothermal gas hold-up correlations to account for heat and mass transfer effects which arise in non-isothermal bubbling. The model predictions were shown to be in good agreement with literature experimental data for the air-water system, considering four different gas superficial velocities. (See also this Bulletin, reference 2005-0627.)

Details

  • Original title: Direct-contact evaporation in the homogeneous and heterogeneous bubbling regimes. 2. Dynamic simulation.
  • Record ID : 2005-0628
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 47 - n. 17-18
  • Publication date: 2004/08

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