WL 314 Convective Heat Transfer In Air Flow Didactic Equipment Vocational Education Equipment Thermal Lab Equipment
Convective heat transfer in heat exchangers with different geometries Features - convective heat transfer in heat exchangers with different geometries - additional heat exchanger models available as accessories Learning objectives/experiments - interplay between Nusselt number, Reynolds number and heat flow - measurement of pressure distribution in the air duct and development of the velocity profile - measurement of convective heat transfer in the tube bundle as a function of position - pressure loss across the tube bundle - measurement of convective heat transfer with free convection in the air duct (chimney effect) Specification [1] convective heat transfer with forced convection [2] air duct with streamlined inlet and windows for observation of the experiments [3] replaceable tube bundle with two different tube diameters included [4] heating element Ø 10mm or Ø 13mm can be used in the tube bundle at any desired position [5] air duct allows experiments on free convection and demonstration of the chimney effect [6] heating element Ø 10mm can be used in the air duct [7] overheat protection for the heating elements [8] adjustable air volumetric flow rate [9] movable Pitot tube with pressure gauge for determining a velocity profile under forced convection [10] display of air temperature, heating temperature and heating power [11] other models available as accessories Technical data Air duct - flow cross-section: 150x150mm - length: 1540mm Fan - output: 1,5kW - max. volumetric flow rate: 2160m3/h Tube bundle - 23x tube (Ø 10mm) - 23x tube (Ø 13mm) 2 heating elements - length: 130mm - output: 220W (Ø 10mm) - output: 250W (Ø 13mm) - overheat protection at 80°C Measuring ranges - pressure: ±200mmbar - temperature: 2x max. 80°C - power: 0...400W 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1930x800x2000mm Weight: approx. 205kg
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