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Mass‐transfer Processes in Hank‐dyeing Machines I—Theory and Experimental Studies
Author(s) -
Burley R. W.,
Rattee I. D.,
Flower J. R.
Publication year - 1969
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1969.tb02895.x
Subject(s) - dyeing , mass transfer , process (computing) , diffusion , digital computer , computer science , thermodynamics , materials science , physics , programming language , composite material , computer engineering
Meeting of the Midlands Region, held at the Carpet Trades Ltd Canteen, Kidderminster, on 13 February 1969, Mr D. O. Douglas in the chair The essential features of hank‐dyeing machines are discussed in relation to the application of Fick's laws of diffusion to the mass‐transfer processes occurring during dyeing. Dispersion equations and a mathematical model of the dyeing process are developed. The determination of dispersion coefficients on model hank systems is described. The results have been applied to the mathematical model using digital‐ and analogue‐computer programs. The predictions of the computer‐simulated dyeing process with respect to the distribution of dye within a hank are reasonably accurate in comparison with practical dyeings. The analogue‐computer simulation of dyeing processes has general applicability beyond hank dyeing, provided that the appropriate system variables are known.