Flow Patterns of Ice/Water Slurry in Horizontal Pipes

The authors have observed flow patterns of ice/water slurry flow through horizontal circular pipes, and measured pressure loss for small diameter pipes, using three classes of ice particles. The slurry flows are classified into three patterns, i.e. dispersed-particle flow, cluster flow and column flow, and they are presented on a plane of two dimensionless parameters, i.e. the ice fraction f and the ratio of mixing energy to cohesion energy, π_mix. The pressure loss for small diameter pipes is well estimated by the formula proposed previously by the present authors.