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Beaudouin, M.; Chesneau, C.; Perrin, M.
Proceedings of the 8. International conference on the properties of water and steam. Giens, September 23-27, 19741975
Proceedings of the 8. International conference on the properties of water and steam. Giens, September 23-27, 19741975
AbstractAbstract
[en] Two quite different programs for coherent calculation of the thermodynamic properties of water and steam based on the International Formulation of 1967 are presented. The first program, a very complete one, uses the formulas, and its field of validity ranges from 610.8 pascals to 1000 bars in pressure and from 0 deg C to 800 deg C in temperature. It permits calculation of all the usual functions as a function of four possible input pairs (pressure, temperature; pressure, enthalpy; pressure, entropy; pressure, specific volume). The second program, whose domain of validity is more limited (610.8 pascals to 400 bars in pressure and 0 deg C to 800 deg C in temperature), applies a method of interpolation between precalculated values stored on direct-access discs. The advantage of this second method lies in its calculating time, quite appreciably less than that of the full program. These two programs can be used either on a CDC 6600 or on an IBM 370
[fr]
On presente deux programmes pour le calcul des proprietes thermodynamiques de l'eau et de la vapeur d'eau d'ebullition bases sur la Formulation Internationale de 1967. Le premier programme est tres complet et son champ de validite s'etend de 610,8 pascals a 1000 bars pour la pression et de 0 deg C a 800 deg C pour la temperature. Il permet le calcul de toutes les fonctions usuelles en fonction des quatre paires suivantes: pression-temperature; pression-enthalpie; pression-entropie; pression-volume specifique. Le deuxieme programme dont le domaine de validite est plus limite (610,8 pascals a 400 bars en pression et 0 deg C a 800 deg C pour la temperature) applique une methode d'interpolation entre des valeurs calculees et stockees sur des memoires a disques a acces direct. L'avantage de cette methode est un temps de calcul beaucoup moins grand que dans le cas du premier programme. On peut utiliser ces deux programmes soit sur CDC 6600 soit sur IBM 370Primary Subject
Secondary Subject
Source
v. 2 p. 895-909; 1975; Editions Europeennes Thermiques et Industries; Paris, France; 8. International conference on the properties of water and steam; Giens, France; 23 Sep 1974
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Book
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Conference
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