Emissivity Measurement Apparatus
Order Code: 14017
Category: Heat Transfer Lab
Introduction: The present Set-up is designed to measure the emissivity of test plate. The test plate comprises of a mica heater sandwiched between two circular plates. Black plate is identical with test plate, but its surface is blackened. As all ...
SPECIFICATION
Introduction:
The present Set-up is designed to measure the emissivity of test plate. The test plate comprises of a mica heater sandwiched between two circular plates. Black plate is identical with test plate, but its surface is blackened. As all the physical properties, dimension and temperature are equal; heat losses from both plates will be same except radiation loss. Hence the input difference will be due to difference in emissivity. Both plates are supported on individual brackets in a enclosure with one side glass to ensure steady atmospheric conditions.
Specifications:
Table for set-up support.
Test plate Diameter:160 mm (approx.)
Black Plate Dia.:160 mm (Approx.)
Heater (2Nos.):Nichrome Wire Heater.
Control panel comprising of Digital Voltmeter.:0-300 Volt.
Digital Ammeter : 0-2 Amps.
DPDT Selector switches : For Digital Voltmeter & Digital Ammeter.
Variacs: 0-230 V, 2 0 Amps, (2 Nos.)
Digital Temp. Indicator: 0-300 C, with multi-channel Switch
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