To characterize the rheology of viscoelastic fluids under dynamic helical squeeze flow (DHSF)
To derive a comprehensive theory for the interpretation of experimental data
To predict the experimental results using model simulation
Normal stress signal and Fourier rheology spectra
Forward-tilted and nonsymmetric shape which means strong nonlinearity of normal component obtained from DHSF.
All higher order contributions represent nonlinear characteristics of fluids
Strain-thinning behavior like large amplitude oscillatory shear flow
This is due to the nonsymmetric trademark of normal stress, which is more pronounced as strain amplitude increases.
Lab of microrheology. School of Chem. Eng,Seoul National University 599 Kwanak-ro Kwanak-gu Seoul 151-744 Korea
Prof : 302 Dong 811 (880-8322) | Lab : 302 Dong 618 (880-9125) | ICP 412 (880-1580)