DESCRIPTION:
The set-up is designed to determine thermal conductivity of insulating materials in the form of slab. The apparatus consists of main central heater and ring guard heater, sandwiched between the specimens. Cooling plates are provided on either side of the specimen. Two identical specimens are clamped between a heater that ensures unidirectional heat flow through specimen. The whole assembly is kept in chamber and insulated by ceramic wool insulation around the set-up.
EXPERIMENTATION:
Determination of thermal conductivity of insulating material in the form of slab.
Study of variation of thermal conductivity of the material with temperature.
UTILITIES REQUIRED:
Water supply 5 lit/min (approx.)
Drain.
Electricity Supply: 1 Phase, 220 V AC, 2 Amp.
Table for set-up support.
TECHNICAL DETAILS:
Specimen
Diameter180 mm (approx).
Thickness 12 mm (approx).
Central Heater Dia 100 mm sandwiched between copper plates.
Ring Guard Heater Width 35 mm sandwiched between copper rings.
Cooling chamber Made of Aluminium for water circulation. 2 Nos.
Insulation Ceramic wool
Control panel comprising of :
Digital Voltmeter 0-300 Volt. (Nutronics Makes)
Digital Ammeter 0-2 Amp (Nutronics Makes)
Variac 0-230 V, 2 Amps, (2 Nos.)
One each for central & ring guard heater.
Digital Temp. Indicator 0199.90C, with multi-channel switch (Nutronics Makes)
Temperature Sensors RTD PT-100 type.(6 Nos)
With standard make on off switch, Mains Indicator etc.
The whole setup is mounted on a powder coated base plate
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