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Numerical Modeling of Isolated Oxygen Droplet Evaporation in Steam

Slavinskaya, N. (2000) Numerical Modeling of Isolated Oxygen Droplet Evaporation in Steam. DLR-Interner Bericht. 645-2000/13, 37 S.

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Abstract

The problem of non-equilibrium boundary conditions on an evaporating liquid oxygen(LOX) droplet is considered. Temperature and concentration jumps were used to describe the kinetic effects on the droplet surface under high ambient temperature. The properties of these jump formalisms were analyzed and the possibility of its employment in a numerical study of evaporation in a LOX/H2O system investigated. With these conditions, a numerical modeling of quasi-steady evaporation of LOX in stagnant steam was carried out: droplet lifetimes and analytical solutions for temperature and concentration distributions in the vicinity of a evaporating droplet are derived. The coefficients of temperature and concentration jumps demonstrate great sensitivity to thermo-physical properties of the system. The results show that the implied boundary conditions are valid for the modeling of evaporation especially in systems with very questionable equilibrium conditions on the phase boundary.

Item URL in elib:https://elib.dlr.de/1483/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=2000,
Title:Numerical Modeling of Isolated Oxygen Droplet Evaporation in Steam
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Slavinskaya, N.UNSPECIFIEDUNSPECIFIED
Date:2000
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:37
Status:Published
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):E - no assignment
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Lohmiller, Monika
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 13:50

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