SCHOOL-MAS850009
Free and Force Convection Apparatus
FEATURES:
Experimental determination of the Nusselt number
Free and forced convection
Investigation of the relationship between flow formation and heat transfer during experiments
Description of transient heating process
Functions of the software: educational software, data acquisition, system operation
Calculation of convective heat transfer at different geometries :
Flat plate
Cylinder
Tube bundle
Calculation of typical characteristic variables of heat transfer :
Nusselt number
Reynolds number
SPECIFICATION:
Air duct :
Flow cross-section: 120x120mm
Height: approx. 0,6m
Heating elements, temperature limitation: 90°C
Tube bundle :
Number of tubes: 23
One tube in variable position is heated
Heating power: 20W
Heat transfer area: 0,001m2
Cylinder with an even temperature at the surface :
Heating power: 20W
Heat transfer area: 0,0112m2
Plate :
Heating power: 40W
Heat transfer area: 2x 0,01m2
Cylinder with heating foil to investigate the local heat transfer :
Heating power: 40W
Heat transfer area: 0,0112m2
Axial fan :
Max. Flow rate: 500m3/h
Max. Pressure difference: approx. 950Pa
Power consumption: 90W
Measuring ranges :
Air velocity: 0…10m/s
Temperature: 4x 0…325°C
Heating power: 0…50W
Required for Operation :
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
