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Abstract:
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The purpose of this research was to evaluate the Picanol Air Index Tester to gain a
better understanding of the value of this instrument to the yarn manufacturing and
weaving facilities of the textile industry. The research revealed that the Picanol Air
Index simulator is a reliable instrument that provides accurate data with respect to weft
yarn behavior while in an airstream.
The velocity data generated on the simulator was related to measurable yarn
properties, to deepen the fundamental understanding of how surface properties affect
yarn velocity in an air stream. The data was also related to a weaving machine in order
to determine if correlations exist between the simulator and full scale commercial air jet
weaving machines. The results of the research revealed that the surface properties that
affect the yarns' behavior on the Air Index Tester also affect its performance on the
weaving machine.
With this knowledge, the Air Index Tester can be used for a variety of applications
in yarn manufacturing and weaving facilities to evaluate a yarns performance prior to
production weaving. It can also be used to quantify mechanical filling insertion
parameters as they relate to weft flight in the loom and compressed air consumption.
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