Experimental data for Case 1 (G_in = 474 kg/m^2s, q_w = 152.3 kW/m^2) by Lee et al. (2002). All profiles are recorded at the axial location x = L_m. (r-Ri)/(Ro-Ri) [-], vapour volume fraction [-] 0.118, 0.255 0.182, 0.273 0.248, 0.240 0.312, 0.188 0.376, 0.148 0.442, 0.114 0.509, 0.079 0.572, 0.058 0.636, 0.036 0.700, 0.021 0.767, 0.010 0.830, 0.007 0.897, 0.005 (r-Ri)/(Ro-Ri) [-], axial liquid velocity [m/s] 0.120, 0.681 0.186, 0.691 0.249, 0.696 0.313, 0.668 0.377, 0.652 0.445, 0.635 0.509, 0.622 0.572, 0.599 0.638, 0.578 0.704, 0.548 0.768, 0.537 0.834, 0.517 0.897, 0.517 (r-Ri)/(Ro-Ri) [-], axial vapour velocity [m/s] 0.115, 0.731 0.181, 0.741 0.248, 0.751 0.313, 0.751 0.377, 0.759 0.442, 0.756 0.506, 0.764 0.570, 0.771 0.637, 0.769 0.702, 0.754 0.766, 0.733 0.833, 0.713 0.895, 0.688 Experimental data for Case 2 (G_in = 1059.2 kg/m^2s, q_w = 251.5 kW/m^2) by Lee et al. (2002). All profiles are recorded at the axial location x = L_m. (r-Ri)/(Ro-Ri) [-], vapour volume fraction [-] 0.116, 0.279 0.185, 0.207 0.246, 0.115 0.314, 0.058 0.377, 0.024 0.443, 0.009 0.509, 0.001 0.572, 0.001 0.638, 0.000 0.704, 0.000 0.767, 0.000 0.833, 0.000 0.899, 0.000 (r-Ri)/(Ro-Ri) [-], axial liquid velocity [m/s] 0.117, 1.151 0.183, 1.204 0.249, 1.237 0.312, 1.265 0.378, 1.269 0.444, 1.265 0.507, 1.249 0.571, 1.237 0.634, 1.212 0.700, 1.188 0.766, 1.163 0.832, 1.135 0.898, 1.123 (r-Ri)/(Ro-Ri) [-], axial vapour velocity [m/s] 0.116, 1.160 0.184, 1.216 0.249, 1.259 0.315, 1.299 0.378, 1.323 0.443, 1.347 0.508, 1.335