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VENECIA
SOFTWARE PACKAGE FOR THERMAL HYDRAULIC ANALYSIS
OF
FORCED FLOW COOLED SUPERCONDUCTING EQUIPMENT
AND THEIR PRIMARY CRYOGENIC SUBSYSTEMS
MATHEMATICAL MODELS. Coolant properties
Coolant properties are calculated from the unified coolants database. The base consists of a set of tables prepared for each coolant from a known source [2]. Enthalpy H and pressure P are accepted as independent variables for these tables and form a common 2D mesh for all thermodynamic and thermo-physical properties of the coolant. Special subroutines provide an appropriate approximation accuracy of 0.2% for coolant properties in arbitrary (P,H)-point. A two-phase coolant region is simulated as a homogenous mixture. An equation of state for such mixture has a form
where ρ', ρ", are the liquid and vapor coolant densities on the boundary line of coolant TS-diagram; H', H" are the liquid and vapor enthalpies as a function of pressure P.
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Germany (headquarters): Alphysica GmbH. Unterreut, 6, D-76135, Karlsruhe, Germany,
Phone: +49 (0)163 904-85-61,
Fax: +49 (0)7219 444-26-55, E-mail: info@alphysica.com
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USA: Alphysica Inc., Harvard Square, One Miffin Place, Cambridge, MA 02138, USA,
Phone/Fax: +1 (617) 715-1978, E-mail:usa@alphysica.com
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China: Alphysica Ltd. 1 Jianguomenwai Avenue
Beijing, 100004, China,
Phone/Fax: +86 10 5737 2626 E-mail:china@alphysica.com
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Russia: Alphysica Ltd. 55, Nevsky pr., 191025, St.Petersburg, Russia,
Phone/Fax: +7 (812) 335-95-04, E-mail: russia@alphysica.com
Copyright © 1994-2011
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