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Evaporating Sprays

  • F. X. TannerEmail author
Chapter
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Abstract

Evaporation of multi-component liquid droplets is reviewed, and modeling approaches of various degrees of sophistication are discussed. First, the evaporation of a single droplet is considered from a general point of view by means of the conservation equations for mass, species and energy of the liquid and gas phases. Subsequently, additional assumptions and simplifications are discussed which lead to simpler evaporation models suitable for use in CFD spray calculations. In particular, the heat and mass transfer for forced and non-forced convection is expressed in terms of the Nusselt and Sherwood numbers. Finally, an evaporation model for sprays that is widely used in today’s CFD codes is presented.

Keywords

Dufour effect Evaporation Frössling correlation Heat transfer Latent heat Mass transfer Nusselt number Ranz-Marshall correlation Soret effect Stefan flow 

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Copyright information

© Springer US 2011

Authors and Affiliations

  1. 1.Department of Mathematical SciencesMichigan Technological UniversityHoughtonUSA

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