Study on the two-way coupling turbulent model and rheological properties for fiber suspension in the contraction

摘要

Highlights ? The turbulent anisotropic diffusion is considered by local turbulent dissipation. ? Fiber-coupling Reynolds stress model with additional stress terms is deduced. ? The closure mode of unknown terms in the additional stress terms is given. ? Suspension rheological properties vary non-monotonically with fiber concentration. Abstract A two-way coupling turbulent model is derived to understand and predict the interaction between the add