Table 1: Posited SCWR coolant stream, with fluid state produced by component

1 January 2000

*An additional output of 525°C, 15 MPa steam goes to the preheater**Hydrogen loop uses helium pressurised to 2 MPa; temperature varies between 600°C (after heat exchanger) to 250°C (after all steps of hydrogen cycle)Table figures are based on existing fossil fuel power plants using a supercritical water turbine. Temperature and pressure values calculated according to water stream enthalpy change and expansion ratio [3, 26]

Component	State of water produced	Temperature (°C) produced	Pressure (MPa) produced
CANDU-SCWR core	Supercritical	625-650	25-26
Hydrogen cycle heat exchanger*	Supercritical	>600	25-26
HP turbine**	Steam	345	5
LP turbine	Steam	38	0.0068
Condenser	Liquid	38	0.0068
Pump	Liquid	39	15
Preheater	Liquid	340	15
Pump	Subcritical	350	25

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