Slip & Skid Resistance Tester

This Fluid Friction Experiment Unit has been designed for students to study on the fluid friction head losses of an incompressible fluid flow. The unit is self contained supplied with facilities for students to study the friction losses on smooth-bore pipes of
various diameters and an artificially roughened pipe.

In addition to the study of losses in straight pipes, a wide range of accessories are also provided including 90º bend, elbow and T, 45º elbow and Y, sudden contraction and enlargement, inline strainer, various valves and flowmeters.

The investigation on friction head losses in various straight pipes can be done over a range of Reynolds numbers from 10,000 to nearly 50,000 covering the laminar, transitional and turbulent flow regimes in smooth pipe. An artificially roughened pipe is
supplied which, at the higher Reynolds number, shows a clear departure from the typical smooth bore pipe characteristics.

For each size of test pipe, a short sample is provided loose so that students will be able to measure the exact diameter and visualise the nature of the internal finish. The ratio of the pipe diameter to distance of the pressure tappings from the ends of each pipe has been selected to minimise end entry effects.

Isolating valves are provided so that the pipe to be tested can be selected without disconnecting or draining the system. Tests on parallel pipe configuration can be done whereby rapid and accurate flow measurement is possible over the full working range of the apparatus.