Kurschat, Th. (1) and Chaves, H.(1) and Meier, G.E.A. (1992) Complete adiabatic evaporation of highly superheated liquid jets. Journal "Fluid Mechanics" Vol. 236 (1992) pp. 43-59, pp. 43-59.
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A nozzle expansion into a vacuum chamber was used to investigate the evaporation of highly superheated liquid jets. The large molar specific heat of fluids with high molucular complexity - in this caseC 6 F 14- is responsible for the new phenomena reported here. A modelwas developed to describe the basic physical effects. A cubic equation of state was used to describe the thermodynamic properties of the fluid. The evaporation was modelled as a sonic deflagration followed by an axisymmetrie supersonic expansion. As in the case of hypersonic gas jets the final state is reached by a normal shock. Forsufficiently high temperatures and expansion ratios a complete adiabatic evaporation of the liquid was found. At even higher temperatures the liquid evaporates completely within a rarefaction discontinuity. The predictions of the model are in good agreement with the experimental results.
|Additional Information:||LIDO-Berichtsjahr=1992, pages=17,|
|Title:||Complete adiabatic evaporation of highly superheated liquid jets.|
|Journal or Publication Title:||Journal "Fluid Mechanics" Vol. 236 (1992) pp. 43-59|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 43-59|
|Keywords:||Nozzle expansion, vacuum chamber, evaporation, superheated liquid jets, large molar specific heat, cubic equation of state, supersonic expansion, normal shock, rarefaction discontinuity.|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||other|
|DLR - Research area:||UNSPECIFIED|
|DLR - Program:||L TG - Querschnittstechnologien|
|DLR - Research theme (Project):||UNSPECIFIED|
|Location:||Köln-Porz , Braunschweig , Göttingen|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Institut für Strömungsmechanik > Institut für Experimentelle Strömungsmechanik|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||03 Apr 2006|
|Last Modified:||27 Apr 2009 10:07|
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