Viscosity net relative

According to the bimodal concept, the net relative viscosity, 17, bimodal suspension is given by... 

Here, is termed the fine relative viscosity and represents the contribution of the colloidal size particles. It is defined by the ratio of the apparent viscosity of the mixture of suspending liquid plus fine particles, to the viscosity of the suspending liquid, ju,. The quantity, is termed the coarse relative viscosity and is the contribution of the coarse particles to the net relative viscosity. It is defined by the ratio of the apparent viscosity of the coarse suspension, 17, to the apparent viscosity of the fine fraction, 17. ... 

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