- Tracer fiber technique
- Cross-sectional method
- Riding Method.
The Description Riding Method:
Description:
Riding method by measuring relative radial position. Riding used a liquid in
which the yarn is immersed and when the same refractive index as that of
viscose nylon ie: Continuous filament riding used mirror to carry out the
experiment for analytical analysis. He has used one black filament in the yarn
to study the migration behavior. He carried out measurement at interval of data
turns of twist 200. Such as measurement were taken to get result:
Fig: Riding Method Fiber
migration
From
this equation Riding measured the amount of migration in the yarn.
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