Abstract: A two-strand T-type tundish model was set up in the laboratory with 1:2.5 scale from a tundish prototype. The physical simulation experiment was conducted with Froude number being equal to each other. The results indicated that in the former tundish configuration, the minimum residence time, the peak concentration time, the mean residence time, the plug flow region proportion and the dead volume fraction are 35.00 s, 103.75 s, 273.42 s, 17.88%, 29.53%, respectively. The flow characteristics in the tundish with a turbulence inhibitor, a weir and two dams as its flow control devices can greatly be improved. The minimum residence time, the peak concentration time and the average residence time increase to 151.75 s, 281.25 s and 354.16 s, respectively in the thundish with the optimization configuration and the plug flow and dead volume fractions are 55.80% and 8.73%, respectively.