2011
DOI: 10.1016/j.jnnfm.2011.01.007
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The multipass rheometer a review

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Cited by 26 publications
(14 citation statements)
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“…Recently, a CCD camera was used to capture the local deformation along the specimen (105), whose results imply that the apparent extensional viscosity is meaningful only under geometric homogeneity. Moreover, the filament-stretching experiment can also be implemented in a multipass rheometer, which has an advantage of independently controlling both top and bottom pistons and fixing the midfilament position during the extension (106,107). Besides the standalone device to measure the extensional viscosity, such as RME and FSR, dual windup extensional rheometers with two kinds of geometry are developed recently.…”
Section: Rotational Rheometermentioning
confidence: 99%
“…Recently, a CCD camera was used to capture the local deformation along the specimen (105), whose results imply that the apparent extensional viscosity is meaningful only under geometric homogeneity. Moreover, the filament-stretching experiment can also be implemented in a multipass rheometer, which has an advantage of independently controlling both top and bottom pistons and fixing the midfilament position during the extension (106,107). Besides the standalone device to measure the extensional viscosity, such as RME and FSR, dual windup extensional rheometers with two kinds of geometry are developed recently.…”
Section: Rotational Rheometermentioning
confidence: 99%
“…In this respect, methods based on flow birefringence could be considered as suitable candidates. For example, flow birefringence has gained significant popularity as a way for direct visualization and measurements of fluid stresses in complex geometries, where relatively simple optical devices similar to a polariscope are used. Despite the fact that the flow field is well understood for rotational rheometers, flow visualization in these instruments may be essential for observations of the stress field associated with possible phase transitions and morphological transformations enhanced by the flow, when application of the constitutive equations of fluid mechanics are not valid.…”
Section: Introductionmentioning
confidence: 99%
“…Both the pressure-driven slit flow apparatus constructed by Janeschitz-Kriegl et al 12 and improved by Kornfield et al,13 and the piston-driven slit rheometer developed by Mackley et al 23 and modified by Peters and coworkers, 24,25 can operate in the high stress region (of the order of 0.1 MPa) and are easily combined with time-resolved birefringence 24,26 and/or X-ray scattering [27][28][29][30] …”
Section: Introductionmentioning
confidence: 99%