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Control Volume Interfaces: A Unique Tool for a Generalized Fluid Network Modeler

Over the past 15 years, the industry standard tool for thermal analysis, SINDA, has been expanded to include advanced thermodynamic and hydrodynamic solutions (“FLUINT”). With the recent culmination of the unique modeling tools, SINDA/ FLUINT has arguably become the most complete general-purpose thermohydraulic network analyzer that is available. Traditional network elements for fluid circuit analyzers include control volumes and flow passages. During the development of modeling tools capable of handling phasic nonequilibrium within SINDA/ FLUINT, several new network elements were created as by-products. This paper describes one of them: control volume interfaces or “ ifaces” for short.