Abbreviations
- device:
-
a subsystem of the process
- system:
-
the piece of yarn which is situated, at a given time, in one or many of these devices
- parameter:
-
all characteristics of the device or system, this knowledge is necessary to understand the phenomenon
- variable:
-
selected parameter which characterizes the evolution of the system
- t*:
-
time (s or ms)
- f:
-
frequency (Hz or kHz)
- L:
-
length (m)
- V:
-
translation speed (m/s)
- w:
-
rotation speed (rd/s)
- D:
-
twist (t/m) [revolution per meter]
- R:
-
twist shrinkage (percent)
- T:
-
tension (N or cN)
- F:
-
strength (N or cN)
- P:
-
pressure (Pa)
- M:
-
moment (m · N)
- J:
-
moment of inertia (kg · m2)
- W:
-
energy (J)
- ϱ:
-
linear density (kg/m)
- K:
-
elasticity (cN/percent)
- R:
-
twist shrinkage (percent/t/m)
References
Grosberg, P., Oxenham, W. and Miao, M., “The Insertion of ‘Twist’ into Yarns by Means of Air-Jets,” Journal of Textile Institute, 3, 189–219 (1987).
Lünenschloss, J. and Bergmann, J., “Die Untersuchung des mittels Luftstrahles in einem Garnverband erzeugbaren Drehmomentes,” Institut für Textiltechnik der Rhein-Westf., Hochschule Aachen, Westdeutscher Verlag (1986).
Drean, J. Y. and M. Renner, “Contribution à l’étude théorique et expérementale du processus d’obtention des textiles linéaires,” Thèse d’Etat, Université de Haute-Alsace (Sept. 1986).
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Aubry, E., Boubrik, B. & Renner, M. On-line measurement in air-jet spinning. Exp Tech 15, 28–32 (1991). https://doi.org/10.1111/j.1747-1567.1991.tb01195.x
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DOI: https://doi.org/10.1111/j.1747-1567.1991.tb01195.x