why can't you use centrifugal pumps for pumping viscous fluids?
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Answer Posted / saurabh malviya
u r ryt , chaitanya sir .....obviously , a highly viscous fluid needs a greater force to overcome the shear force and to move along it requires thrust rather than a centrifugal action ........moreover , highly viscous fluid may cause impeller blades to bend by sticking to its surface .....screw pumps are generally employed for pumping highly viscous fluids...correct me if i m wrong anywhere.....
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