Preliminary Development of Thermal Power Calculation Code H-Power for a Supercritical Water Reactor

Table 1

Comparison of calculation results between H-Power routine and IAPWS-IF97.

Region	Parameters	Given by	𝑣/(m^3 kg^−1)	ℎ/(kJ kg^−1)	𝑠/(kJ kg^−1 K^−1)	𝑢/(kJ kg^−1)
Subregion 1	𝑇=300 K	IF97	0.00100215168	115.331273	0.392294792	112.324818
	𝑃=3 MPa	H-Power	0.0010021516	115.33127302	0.3922947924	112.32481798
	𝑇=300 K	IF97	9.71180894𝑒−4	184.142828	0.368563852	106.448356
	𝑃=80 MPa	H-Power	9.7118089𝑒−4	184.14282773	0.3685638523	106.44835621
Subregion 2	𝑇=300 K	IF97	39.4913866	2549.91145	8.52238967	2411.69160
	𝑃=0.0035 MPa	H-Power	39.491386637	2549.9114508	8.5223896673	2411.6915976
	𝑇=2000 K	IF97	0.0311385219	6571.22604	8.53640523	5637.07038
	𝑃=30 MPa	H-Power	0.0311385218	6571.2260386	8.5364052311	5637.0703825
Subregion 3	𝑇=663.15 K; 𝑃=24 MPa	IF97	0.005613	2500.75	5.0320	2366.0
		H-Power	0.0056134399	2500.7519610	5.0320333072	2366.0291590
	𝑇=723.15 K; 𝑃=50 MPa	IF97	0.002487	2284.44	4.5892	2160.1
		H-Power	0.0024874366	2284.4399286	4.58922040321	2160.0680674
Subregion 5	𝑇=1500 K	IF97	1.3845509	5219.76855	9.65408875	4527.49310
	𝑃=0.5 MPa	H-Power	1.3845508987	5219.7685512	9.6540887533	4527.4931018
	𝑇=2000 K	IF97	0.0311385219	6571.22604	8.53640523	5637.07038
	𝑃=30 MPa	H-Power	0.0311385218	6571.2260386	8.5364052311	5637.0703825