FIELD: textile industry. SUBSTANCE: method involves using texturing nozzle; increasing yarn tension at process speed exceeding 400 m/min; optimizing thread tension-yarn feeding rate ratio by accelerating rate of blowing air flow rate in accelerating channel to value exceeding 2M, with yarn tension being maintained at constant level at wide range of process speeds. Texturing nozzle has core with accelerating channel provided with portion effective for accelerating blowing air flow rate. This portion is positioned adjacent to compressed air supplying openings and is formed as supersonic channel having length exceeding diameter of leading portion of acceleration channel by at least 1.5 times. Total channel opening angle is 10 deg <α2 <40 deg. EFFECT: increased efficiency, simplified method and construction. 20 cl, 26 dwg
