CAT NO: DIDACTICHeat Equipments0007
Heat Transfer In Natural Convection.
Heat Transfer In Natural Convection
The setup consists of a brass tube fitted in a rectangular duct in a
vertical fashion
The duct is open at the top and bottom, and forms an
enclosure and serves the purpose of undisturbed surrounding. One side of
the duct is fitted with a transparent good quality Acrylic window for
visualization. An electric heating element is kept in the vertical tube
that in turns heats the tube surface. The heat is lost from the tube to
the surrounding air by natural convection. The temperature of the
vertical tube is measure by Temperature Sensors and displayed by a
Digital Temperature Indicator with multi-channel switch. The heat input
to the heater is measured by a Digital Ammeter and a Digital Voltmeter
and is varied by a variac. The tube surface is polished to minimize the
radiation losses.
Experiment
To determine average heat transfer coefficient
Utilities Required
Electricity Supply: I Phase, 220 V AC, 2 Amp.
Table for set-up support
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