Flow Studies of a Two-Dimensional Liquid Film Jet

The above images represent a two-dimensional jet produced in a soap film tunnel. The tunnel consists of a frame in which one end is positioned in a diluted soap mixture and the other end is subjected to a film-pulling mechanism. In our device the pulling mechanism is provided through the contact action of a two-dimensional water jet. The two-dimensional jet of higher surface tension is directed at a small angle to the soap film surface at the downstream end of the tunnel.