Abstract
Capillary rheometers and processing machines are “black boxes” regarding the knowledge of the flow fields of polymer melts within them. With the laser-Doppler velocimetry it is possible to quantitatively measure velocity fields. The flow behavior of various polymer melts is shown in this chapter for different positions within a slit die. Velocity distributions at the entrance and the exit of a slit capillary together with those in the slit are presented and discussed.
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Münstedt, H., Schwarzl, F.R. (2014). Measurements of Flow Fields of Polymer Melts by Laser-Doppler Velocimetry. In: Deformation and Flow of Polymeric Materials. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55409-4_16
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DOI: https://doi.org/10.1007/978-3-642-55409-4_16
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