CFD Analysis of a Void Distribution Benchmark of the NUPEC PSBT Tests: Model Calibration and Influence of Turbulence Modelling

Table 2

Results.

Run	Pressure [MPa]	Turbulence model	Mixed density [kg m^−3]	Void fraction [−]	Quality	Δ𝑃 [Pa m^−1]
1.2211	15	Exp	610	0.038	−0.040
		BSL-RSM	588.6	0.090	−0.043	17481.9
		SST	572.9	0.117	−0.037	17805.2
1.2223	15	Exp	456	0.311	0.040
		O-RSM	471.2	0.266	0.073	13685.8
		SST	494.5	0.212	0.059	15403.9
1.2237	15	Exp	390	0.440	0.080
		O-RSM	431.9	0.327	0.110	12175.5
		SST	447.2	0.291	0.101	15725.2
1.2422	15	Exp	522	0.182	0.020
		BSL-RSM	520.8	0.187	0.015	8865.2
		O-RSM	513.2	0.202	0.017	9363.2
		SST	507.3	0.215	0.017	9468.4
1.2423	15	Exp	357	0.508	0.100
		O-RSM	424.3	0.346	0.095	8927.7
		SST	438	0.325	0.082	9401.9
1.4324	10	Exp	600	0.157	0.000
		BSL-RSM	593.8	0.166	−0.002	5751.6
		SST	578.9	0.190	0.000	6604.5
1.4325	10	Exp	478	0.335	0.050
		BSL-RSM	473	0.336	0.048	9796.8
		SST	470	0.343	0.046	10279.4
1.4326	10	Exp	353	0.531	0.110
		BSL-RSM	363.3	0.503	0.099	9700
		SST	361.9	0.506	0.098	10503.2
1.4411	10	Exp	599	0.152	0.000
		BSL-RSM	614.6	0.124	0.000	7506.5
		O-RSM	616.1	0.121	0.000	7541.9
		SST	617.1	0.122	−0.004	7691
1.6222	5	Exp	549	0.306	0.020
		O-RSM	578.9	0.263	0.016	7224.8

Exp: experiment.
BSL-RSM: Baseline Reynolds Stress.
O-RSM: Omega Reynolds Stress.
SST: Shear Stress Transport.