Intermingling Jet Design and Fluid Mechanics
topic
Intermingling nozzles direct compressed air at 1 to 4 bar through precision-machined orifices perpendicular to the yarn path in a channel of defined geometry, creating a turbulent pressure pulse that disrupts the parallel filament arrangement and entangles filaments at the high-velocity air jet impact zone, with nozzle channel dimensions, orifice diameter, and yarn tension at the nozzle being the primary variables controlling interlace node frequency and strength.
Role
Determines the entanglement node frequency and holding strength through jet geometry and air pressure selection that must be optimised for each yarn count and filament number to achieve the target interlace level, with nozzle design being the fixed engineering parameter and air pressure being the adjustable operating variable that together govern the interlacing performance for the range of yarn types processed on each machine.