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. 2025 Aug 21;15:30810. doi: 10.1038/s41598-025-16609-x

Table 3.

 Cost balance equations.

Element Cost balance equation Auxiliary equation Cost of element
Boiler Inline graphic Inline graphic Inline graphic
Turbine Inline graphic Inline graphic Inline graphic
Heat exchanger (ORC) Inline graphic Inline graphic Inline graphic
Condenser (ORC) Inline graphic Inline graphic Inline graphic
Pump Inline graphic Inline graphic Inline graphic
Steam generator Inline graphic Inline graphic Inline graphic
Ejector Inline graphic Inline graphic Inline graphic
Condenser (ejector) Inline graphic Inline graphic Inline graphic
Expansion valve Inline graphic Inline graphic Inline graphic
Evaporator Inline graphic Inline graphic Inline graphic