Burow, P. and Beer, Hans (1980):
Die Berechnung des Blasenwachstums beim Verdampfen von Flüssigkeiten an Heizflächen als numerische Lösung der Erhaltungsgleichungen.
In: Wärme- und Stoffübertragung, 13 (4), pp. 253-264. [Article]
Abstract
A numerical procedure on the basis of the Marker and Cell-method 1 was developed in order to solve the conservation equations for mass, momentum and energy for the case of bubble growth on a heating surface. This procedure was used to calculate steam bubble growth on a horizontal stainless steel heating surface under saturated pool boiling conditions at a system pressure of 1 bar and different superheatings. The essential results obtained are: -Good agreement was found between calculations and experiments concerning bubble growth rates, bubble shape and temperature field in the liquid surrounding the bubble. -During its growth the bubble penetrates the temperature boundary layer formed in the liquid on the heating surface, simultaneously liquid is displaced aside. -The microlayer evaporation fraction of the total bubble growth increases with growth time from 20 {\%} to 50{\%}.
Item Type: | Article |
---|---|
Erschienen: | 1980 |
Creators: | Burow, P. and Beer, Hans |
Title: | Die Berechnung des Blasenwachstums beim Verdampfen von Flüssigkeiten an Heizflächen als numerische Lösung der Erhaltungsgleichungen |
Language: | German |
Abstract: | A numerical procedure on the basis of the Marker and Cell-method 1 was developed in order to solve the conservation equations for mass, momentum and energy for the case of bubble growth on a heating surface. This procedure was used to calculate steam bubble growth on a horizontal stainless steel heating surface under saturated pool boiling conditions at a system pressure of 1 bar and different superheatings. The essential results obtained are: -Good agreement was found between calculations and experiments concerning bubble growth rates, bubble shape and temperature field in the liquid surrounding the bubble. -During its growth the bubble penetrates the temperature boundary layer formed in the liquid on the heating surface, simultaneously liquid is displaced aside. -The microlayer evaporation fraction of the total bubble growth increases with growth time from 20 {\%} to 50{\%}. |
Journal or Publication Title: | Wärme- und Stoffübertragung |
Journal volume: | 13 |
Number: | 4 |
Divisions: | 16 Department of Mechanical Engineering 16 Department of Mechanical Engineering > Institute for Technical Thermodynamics (TTD) |
Date Deposited: | 26 Feb 2015 16:32 |
Official URL: | http://dx.doi.org/10.1007/BF01002413 |
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