A Studyon Jet-Looms:Part 4 : Air Velocity in Shed
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概要
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To get the best condition for pneumatic weft propulsion, the air velocity in a shed has been measured. The experiment has revealed the following :<BR> 1) The spread angle of air jet was . about 11 degrees. Thus the distance between the nozzle and the shed should be shorter than 15 cm in case of a 1-cm nozzle.<BR> 2) The air velocity in shed along the axis and at distance x from the nozzle was υf=υ<SUB>0</SUB>-18.3(x-5) (5d ≤ x ≤= 15d) υ<SUB>s</SUB>=(υ<SUB>0</SUB>-183) e<SUP>-0.0147x</SUP> (15d ≤ x) <BR> where υ<SUB>0</SUB> : air velocity at nozzle, in m/sec. <BR> d : nozzle diameter, in cm.<BR> 3) The pressure loss in the shed was about 38 times as large as that with the flow in triangular ducts.
- 社団法人 日本繊維機械学会の論文
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