anyone has any idea to prove, in wicking test of yarns, that water circulates in hollow part besides to circulate in the inter filaments space in hollow multifilament yarns?
Florescent pigments are great for watching flow in micro scale devices. Maybe you can use the same concept. You make a suspension and stick the yarn in and watch things with high resolution camera in a revealing light based on the choice of florescent.
We have published significant amount of articles in this area. Pore size and its distribution of yarn plays a vital role in yarn wicking. In order to study the wicking characterisitcs of yarn, Yarn wicking with respect to time, has to be studied. Secondly, yarn has to kept under electtronic microscope to study the water transport mechanism at hollow part. thirdly, comparison is to be made with different hollow ness and the results are to be intrepreted accordingly.. i hope i have given in detail
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