Free and Force Convection Apparatus
Free and Force Convection Apparatus
SKU: HI MHM-009

The "HANSA"Offers basic experiments for targeted teaching on the topic of free and forced convection on various heating elements. At the heart of the experimental unit is a vertical air duct into which various heating elements are inserted. An axial fan is located on top of the air duct. The fan draws in ambient air and guides it through the air duct. The air flows past a heating element and absorbs heat. Four heating elements with different geometries are available to be selected. In order to investigate free convection, two of the four heating elements can be operated outside of the air duct. The heating elements are designed in such a way to release heat only at their surface. The compact design ensures rapid heating and a short time for experiments.The experimental unit is equipped with temperature sensors at the inlet and outlet of the air duct. The air velocity is measured to determine the airflow rate. Heating power and flow rate are adjusted and displayed via the software.The microprocessor-based instrumentation is well protected in the housing. The software consists of a software for system operation and for data acquisition and an educational software. is connected to the PC via USB.Free and Force Convection ApparatusFEATURES:Free and forced convectionCalculation of convective heat transfer at different geometriesFlat plateCylinderTube bundleExperimental determination of the Nusselt numberCalculation of typical characteristic variables of heat transferNusselt numberReynolds numberInvestigation of the relationship between flow formation and heat transfer during experimentsDescription of transient heating processFunctions of the GUNTsoftware: educational software, data acquisition, system operation SPECIFICATION:Air ductFlow cross-section: 120x120mmHeight: approx. 0,6mHeating elements, temperature limitation: 90?CTube bundleNumber of tubes: 23One tube in variable position is heatedHeating power: 20WHeat transfer area: 0,001m2Cylinder with an even temperature at the surfaceHeating power: 20WHeat transfer area: 0,0112m2PlateHeating power: 40WHeat transfer area: 2x 0,01m2Cylinder with heating foil to investigate the local heat transferHeating power: 40WHeat transfer area: 0,0112m2Axial fanMax. Flow rate: 500m3/hMax. Pressure difference: approx. 950PaPower consumption: 90WMeasuring rangesAir velocity: 0?10m/sTemperature: 4x 0?325?CHeating power: 0?50WRequired for Operation230V, 50Hz, 1 phase230V, 60Hz, 1 phase; 120V, 60Hz, 1 phaseDIMENSIONS AND WEIGHT:LxWxH (approx.): 800x600x800mmWeight (approx.): 30kg

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