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Free and Forced Convection Apparatus (SMT-HT-18)
Touch LCD with GUI Interface for better monitoring and accurate measurement of Plant variables.
Includes three of the most common heat transfer surfaces: flat plate, pinned and finned
Continuously adjustable heating power and fan power.
Thermocouples and a sensitive anemometer measure temperatures and air velocity – shown on a
Table Top stand-alone Unit.
ESOLS DAQ Software for monitoring and control.
This ESOLS Apparatus consists of a vertical duct that holds the chosen heat transfer surface
and all instruments needed, which includes three different common heat transfer surfaces
with the equipment: A flat plate, A pinned surface – similar to a tubular heat exchanger and
A finned surface – similar to the fins on air-cooled engines or electrical heat sinks
Each surface has its own built-in variable-power electric heater. Students choose which
surface they need to test and fit it to the duct using simple fixings. For free convection tests,
the heated air rises from the surface and up the duct. For forced convection tests, a variablespeed
fan draws air up through the duct and across the surface. Thermocouples measure the
air temperature upstream and downstream of the surface and the temperature at the heat
transfer surface. The downstream probe moves in a traverse mechanism to measure the
temperature distribution across the duct, allowing calculation of the bulk outlet temperature.
The unit has Touch LCD display for visualization of process and the measurements. The Unit
is also connected to Software for computer connectivity and data analysis. The Touch screen
and computer software is included in the package.