Modelling of the Parameters of Air-Flow in Pneumatic Nozzles for Linking Staple and Filament Yarns. Part II. Results of the Average Speeds and Asymmetry of the Air Stream Flowing Out of the Nozzle
Research and development
Authors:
- Dopierała Halina
Textile Research Institute, Łódź, Poland - Radom Czesław (j/w)
- Swaczyna Paweł (j/w)
- Zawadzki Leszek
Department of Textile Machines Mechanics, Faculty of Material Technologies and Textile Design, Technical University of Łódź, Łódź, Poland
 Full text | Abstract: This article presents the results and analysis of the values of the average speeds of the air stream at the outlet planes of the interlacing duct of nozzles for the pneumatic linking of filament and staple yarns. The average speeds of the air-flow at the outlet planes of the nozzle were determined on the basis of the results of local speeds at different points on these planes. The methodology and measuring apparatus, designed and constructed at the Textile Research Institute (Instytut Włókiennictwa - IW) were described in Part I of this article. Part II presents an analysis of the different internal structures of the interlacing nozzles and their influence on the level and modelling (symmetry or asymmetry) of the air stream flowing out from both of their sides, that is at the outflow planes (inlet and outlet of the yarn). |
Tags: pneumatic nozzle, air-flow parameters, air stream, air speed, stream asymmetry.
Citation: Dopierała H., Radom C., Swaczyna P., Zawadzki L.; Modelling of the Parameters of Air-Flow in Pneumatic Nozzles for Linking Staple and Filament Yarns. Part II. Results of the Average Speeds and Asymmetry of the Air Stream Flowing Out of the Nozzle. FIBRES & TEXTILES in Eastern Europe 2011, Vol. 19, No. 4 (87) pp. 70-73.