Air flow in pipes and pipe elements Resistances and losses in laminar and turbulent pipe flow Features - resistances and losses in laminar and turbulent pipe flow - precise pressure measurement via annular chambers Learning objectives/experiments - pressure losses for laminar and turbulent pipe flow - determination of the friction factor for different pipe materials and diameters (Darcy-Weisbach equation) - pressure loss in one or several pipe angles - study of the jet force - function of an orifice plate flow meter - determination of the pressure curve along the measuring section - comparison between experiment and calculation Specification [1] study of pressure losses in pipes with laminar and turbulent air flow [2] 3 straight pipe sections made of PVC and stainless steel with different diameters [3] pipe section with 1 pipe angle [4] pipe section with 6 pipe angles [5] orifice plate flow meter to determine the volumetric flow rate via pressure loss [6] 9 pressure measuring points with interference-free pressure measurement via annular chambers [7] measurement of the jet force using a balance [8] differential pressure measurement with differential pressure meter [9] volumetric flow rate measurement with rotameter Technical data 3 straight pipe sections, measuring length: 1m - Ø 8x1mm, PVC - Ø 8x1mm, stainless steel - Ø 6x1mm, PVC Pipe section, PVC, Ø 8x1mm - with 1 pipe angle, measuring length: 0,12m - with 6 pipe angles measuring length: 0,8m Orifice plate flow meter - Ø 4mm Balance - measuring range: 0...2kg, resolution: 0,001g Measuring ranges - volumetric flow rate: -- 0,9...9L/min -- 8...90L/min - differential pressure: 0...200mbar -- resolution: 0,01mbar LxWxH: 1570x570x900mm Weight: approx. 32kg