Set of piers, seven profiles Simulation of bridge pillars in a river, lateral reduction of cross-section in the flume Features - lateral reduction of cross-section in the flume Learning objectives/experiments - subcritical discharge with little -or- considerable reduction of cross-section - supercritical discharge with little -or- considerable reduction of cross-section - effect of the pier profile - backwater upstream of piers - flow transition at the pier - effect of angle of attack Specification [1] piers for the experimental flume HM 163 [2] little or considerable reduction of cross-section caused by piers [3] pier profiles: rectangular, circular, square, rounded on one end, rounded on both ends, tapering profile on one end and tapering profile on both ends [4] pier holder with clamping device for the mounting of piers into the experimental flume: up to three piers mounted at the same time on nine different positions [5] pier holder with angle scale to indicate the angle of attack Technical data Piers made of PVC Angle scale - ±90° - graduation: 15° LxWxH: 430x110x770mm (total) Weight: approx. 32kg