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contributor authorKiyoshi Miyagawa
date accessioned2017-05-09T00:23:37Z
date available2017-05-09T00:23:37Z
date copyrightJuly, 2007
date issued2007
identifier issn1528-8919
identifier otherJETPEZ-26960#885_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/135685
description abstractComputing times of equations based on the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam (IAPWS-IF97) were tested. Modern computer systems are optimized for “simple” computational operations, which favors the simple structure of IAPWS-IF97. Provision of “backward equations,” which are approximation of inverse equations, is one of the features of IAPWS-IF97. The backward equations showed much shorter computing times than iterative routines, which had been used to calculate with several independent variables. IAPWS-IF97 is faster than the equations of IAPWS Formulation 1995 for the Thermodynamic properties of Ordinary Water Substance for General and Scientific Use (IAPWS-95) by factors 70 to 200 times.
publisherThe American Society of Mechanical Engineers (ASME)
titleAssessment of the Computing Time for the IAPWS-IF97 Equations
typeJournal Paper
journal volume129
journal issue3
journal titleJournal of Engineering for Gas Turbines and Power
identifier doi10.1115/1.2436576
journal fristpage885
journal lastpage887
identifier eissn0742-4795
keywordsEquations
keywordsFunctions AND Computers
treeJournal of Engineering for Gas Turbines and Power:;2007:;volume( 129 ):;issue: 003
contenttypeFulltext


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