Design of the Main Nozzle with Different Acceleration Tube and Diameter in an Air-Jet Loom

  • Published : 2005.01.01

Abstract

The air-jet loom represents a major step in the development of shutterless weaving due to its ability to weave a wide range of yarns at high speeds. The air-jet weaving involves inserting a pre-measured length of yarn through the wraps, which is shed by means of compressed air. The analysis of air flow characteristic of the main nozzle and acceleration tube is required for improving the loom performance. In this paper, we examined the effects of the main nozzle with different acceleration tubes as well as diameters. Also, we compared the performance of a straight-type tube with a Laval-type tube and the effect of installing a suction hole on the acceleration tube.

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References

  1. Ishida, T., Textile News. Jpn., Vol. 8, 1982
  2. Duxbury, V., Lord, P. and Vaswani, T., J. Textile Inst., Vol. 50, No. 558, 1959
  3. Salama, M., Adanur, S. and Mohamed, M. H., Textile Res. J., Vol. 57, No. 44, 1987
  4. Matsumoto., 'A Study on the Flow Characteristics in Coaxial Jets (Part 1, Air - Experiment of Air Coaxial Jets),' JSME Vol. 38, No.311, pp. 1753-1761, 1972 https://doi.org/10.1299/kikai1938.38.1753
  5. Kwan, A. S. H. and Ko, N.W.M., 'Coherent Structure in Subsonic Coaxial Jets,' J. Sound Vib., Vol. 48, pp. 203-210, 1976 https://doi.org/10.1016/0022-460X(76)90460-0
  6. Champagne, F. H. and Wygnarski, I. J., 'An experimental Investigation of Coaxial Turbulent Jets,' Int. J. Heat Mass Transfer, Vol. 14, pp. 1445-1452, 1971 https://doi.org/10.1016/0017-9310(71)90191-8
  7. Williams, T. J., Ali, M. R. M. H., and Anderson, J. 'Noise and Flow Characteristics of Coaxial Jets,' J. Mech. Eng. Sci., Vol. 11, pp.133-142, 1969 https://doi.org/10.1243/JMES_JOUR_1969_011_017_02