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Protorheology in practice: Avoiding misinterpretation
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DOI：10.1016/j.cocis.2024.101866.png)
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Abstract
En 中文
Protorheology is the paradigm that any observed flow or deformation is a chance to infer quantitative rheological properties. While this creates many opportunities for insight, there is significant risk of misunderstanding the physics involved, e.g. misinterpreting a liquid as a solid or mistaking viscous flow time as viscoelastic relaxation time. We describe these and other potential mistakes, use case studies to show how serious the problems can be, and contrast misinterpretations with correct approaches and interpretations. Some issues are especially important with materials involving colloidal particles and flows involving surface tension. Whether the reader is making inference from a tilted vial, time-lapse gravity-driven flow, a bounce test, die swell, or any other protorheology observation, the examples here serve as a guide for avoiding bad data in protorheology.
Keywords:
Protorheology
Fluid mechanics
Inference
Inverse problems
Rheo-logical phenomena
Journal
C
IF:
7
Papers:
2.0K
Citations:
9.0K
