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General-purpose tools are free and run locally in your browser. Pro calculation tools include a demo preset; unlock full features per product in Digital assets.
IAPWS-IF97 steam properties, fouling-factor extrapolation, and pro evaporator/exchanger HTC workflows.
Pro demo: alumina digestion casing U/HTC; phase-change/no-phase modes, scaling fouling, UTC split-flow; browser-local.
Pro demo: eight-section U/HTC for falling-film evaporators; IAPWS-IF97 shell steam, film hf, alumina preset; browser-local.
Free online IAPWS-IF97: saturation, superheat, subcooled water; thermodynamic and transport properties.
Free online: multi-fluid thermodynamic & transport properties via CoolProp (HEOS + incompressible); single-point free, batch Excel uses platform credits.
Free online: Obana (1982) Ch.9 fouling extrapolation and flow/diameter correction; exponential model.
Free online: barometric pressure and air density from elevation, ASHRAE moist-air psychrometrics, and CIPM-2007 standard dry-air composition; browser-local.
Free online: solid/liquid/gas combustion, flue gas and temperature; Mei Chi 1979 handbook or general balance; browser-local.
