Experimental study of the impacts of cold mass fraction on internal parameters of a vortex tube

•A five-hole probe and several thermocouples were used to obtain the internal parameters of a large vortex tube.•Four different cold mass fraction conditions (0.2, 0.4, 0.6 and 0.8) were chosen.•The 3-D velocities were presented, and the tangential velocity was considered to be the steady Burgers vo...

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