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Determination of the Air Velocity in the Free Stream Flowing out of a Cylindrical and Two-Gap Skewed Jet (Dual Slot Die)

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This paper presents the theoretical basis for the determination of the eld of velocity of the free air stream owing out of a cylindrical and two-gap skewed jet. Based on this, calculation of the air velocity distribution in the stream’s axis was carried-out. Good agreement was achieved be- tween the values of theoretical and experimental results obtained. The theoretical dependences were adapted to the jets applied in textile technologies. A formula is given for the calculation of the velocity distribution of air owing out from the two-gap skewed jet applied in the melt-blown method. The correctness of the formula given is certified by the results computed as well as by those of the measurements.

Tags: circular stewed jet, two-gap skewed jet, air velocity.

Citation: Zawadzki L., Cichoń J., Jarzębowski J., Kapusta H.; Determination of the Air Velocity in the Free Stream Flowing Out of a Cylindrical and Two-Gap Skewed Jet (Dual Slot Die). FIBRES & TEXTILES in Eastern Europe 2010, Vol. 18, No. 5 (82) pp. 39-43.

Published in issue no 5 (82) / 2010, pages 39–43.

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