HM 260 Characteristics Of Nozzles Didactic Equipment Vocational Training Equipment Fluid Mechanics Lab Equipment
Measuring the impact or thrust force for determining the discharge velocity and the nozzle efficiency Features - force effects in nozzle flow - determining the nozzle efficiency - four convergent-divergent nozzles with different area ratios, one convergent nozzle and one baffle plate Learning objectives/experiments - determining the critical pressure ratio - demonstration of the "choking effect" - determining flow velocity in the narrowest cross-section - measurement of the reaction or action force of the flowing fluid - determine nozzle efficiency by thrust Specification [1] detect impact force or thrust at nozzle to determine the flow velocity and nozzle efficiency [2] experiment layout A: measuring reaction force (thrust) of the fluid at the nozzle [3] experiment layout B: measuring action force of the fluid at the baffle plate [4] air intake adaptable according to the experiment layout [5] distance between baffle plate and nozzle can be adjusted [6] compressed air regulator for adjusting the pressure downstream of the nozzle [7] needle valve on the flow meter for adjusting the back pressure [8] measuring reaction or action force of the nozzle by deformation of the bending beam [9] 5 nozzles with different contours (4 convergent-divergent, 1 convergent) and 1 baffle plate [10] instruments: manometer and digital temperature display upstream and downstream of the nozzle, as well as rotameter Technical data Air consumption of the experimental unit - compressed air: max. 10bar - air consumption: approx. 5g/s 5 nozzles, brass - 4x convergent-divergent - 1x convergent - diameter, all nozzles: 2mm - length, divergent nozzles: 3,6 to 15,8mm Compressed air regulator - control range: 0...8,6bar Measuring ranges - temperature: 0...100°C - pressure: 2x 0...10bar - mass flow rate: 0,7...8,3g/s - force: 0...2N 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 790x460x810mm Weight: approx. 35kg
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