HM 230 Flow Of Compressible Fluids Didactic Equipment Vocational Training Equipment Fluid Mechanics Lab Equipment
Subsonic and sonic flow through different measuring objects Features - investigation of flow in compressible fluids - varied range of experiments for studying subsonic and sonic flow - de Laval nozzle generates velocities up to Ma 1 Learning objectives/experiments - pressure losses in pipes and pipe elbows - flow in convergent/divergent nozzles - determine the speed of sound in air - compare calculation methods for incompressible and compressible flow - use complete continuity equation - determine mass flow rate using nozzle and volumetric flow rate using orifice - record calibration curve for orifice - record fan characteristic curve at different mass flow rates and speeds Specification [1] investigate flow of compressible fluids [2] subsonic and sonic air flow [3] variable speed on the radial fan for adjusting the mass flow rate [4] minimised turbulence by drawing in air and optimum arrangement of the measuring objects [5] transparent measuring objects with connectors for pressure measurement provide insight into the internal structure [6] measuring nozzle for determining the mass flow rate [7] pressure losses in subsonic flow in pipe elbows and various pipe sections [8] pressure curve at subsonic and sonic nozzle flow [9] orifice for determining volumetric flow rate by differential pressure measurement [10] record fan characteristic curve using a throttle valve [11] digital displays for pressures, velocity and speed Technical data Radial fan - max. speed: 31000min-1 - max. volumetric flow rate: 226m3/h - max. head: 318mbar - max. power consumption: 1,8kW Measuring objects - pipe section: 1m -- Ø 16, 24, 34mm - 90° pipe elbow - 2 nozzles, inner diameter: 12...34mm -- with sudden enlargement -- with gradual enlargement (de Laval nozzle) - orifice with orifice disks -- Ø 12, 19, 25, 32mm - throttle valve: Ø 34mm Measuring ranges - speed: 0...99999min-1 - pressure: -- 1x 0...25mbar -- 1x 0...600mbar -- 1x 0...1000mbar - velocity: 0...65m/s 230V, 50Hz, 1 phase 120V, 60Hz, 1 phase, 230V, 60Hz, 1 phase UL/CSA optional LxWxH: 1750x600x390mm Weight: approx. 58kg