Review of the Wall Temperature Prediction Capability of Available Correlations for Heat Transfer at Supercritical Conditions of Water

Table 3

Consolidated details of all experimental data and the best fitting correlations for cases with normal heat transfer.

Sl. no.	Parameter	Yamagata et al. [3]; Dataset 1; (Figure 4)	Yamagata et al. [3]; Dataset 2; (Figure 5)	Loewenberg et al. [10]; Dataset 1; (Figure 6)	Loewenberg et al. [10]; Dataset 2; (Figure 7)	Mokry et al. [15]; Dataset 2; (Figure 11)
01	Tube ID (mm)	7.5	7.5	20	20	38
02	Pressure (bar (a))	245	245	250	235	241
03	Heat flux (kW/m^2)	233	930	300	1200	252
04	Mass flux (kg/m^2s)	1260	1260	1000	2250	543
05	Heat flux to mass flux ratio (kJ/kg) [5]	0.185	0.738	0.300	0.533	0.464
06	Limiting heat flux to avoid deterioration (kW/m^2) [3, 15]	1050.7, 879.7	1050.7, 879.7	796.2, 686	2106.9, 1617.2	382.6, 345.5
07	Fluid temperature range (°C)	334.01 to 391.86	341 to 381.9	273.78 to 406.41	273.78 to 406.41	266.33 to 380.1
08	Pseudocritical temperature at the given pressure (°C)	383.33	383.33	385.17	379.56	381.83
09	Fluid temperature at which peak change in metal temperature is observed (°C)	381.61	381.9	376.4	379.59	373.1
10	(𝑇𝑤−𝑇𝑏) at normal wall temperature zone, experimental	8.6 to 14.6	37.1 to 51.5	18.2 to 36.6	47.95 to 71.59	38.7 to 57.6
11	(𝑇𝑤−𝑇𝑏) at peak wall temperature zone, experimental	2.9	39.4	15.5	27.41	18.8
12	Name of correlation the metal temperature prediction of which has the closest fit with experimental data	Ornatsky	Shitsman	Watts and Chou	Jackson	Mokry
13	(𝑇𝑤−𝑇𝑏) at normal wall temperature zone, best correlation	6.2 to 13.7	42.2 to 51.7	16.5 to 39	46.00 to 88.41	40.47 to 48.81
14	(𝑇𝑤−𝑇𝑏) at peak wall temperature zone, best correlation	2.8	32.4	15	25.74	30
15	Total number of data points	35	17	15	15	79
16	% data with <5% error in metal temperature prediction	100	100	100	100	100
17	% data with <10°C error in metal temperature prediction	100	100	100	80	96.2
18	Minimum and maximum deviation from experimental metal temperature (°C)	−2.4 to +0.73	−7 to +8.1	−7.59 to +2.39	−3.98 to +16.82	−10.2 to +11.2