CAT NO: DIDACTICHeat Equipments0002
Heat Transfer Through Lagged Pipe.
Heat Transfer Through Lagged Pipe
The setup is designed and fabricated to study lagging phenomenon in
case of pipes
It consists of three concentric pipes of small thickness
as compared to diameter and are arranged concentrically, and closed with
the help of two discs. Two different insulating materials fill the
annuli between the cylinders compactly. Temperature Sensors are fitted
to measure the temperature of pipe walls for radial outward heat flow
measurement. Inside the inner pipe, a Nichrome wire heater is placed
axially. Heat input to the heater is given through a variac and measured
by Digital Voltmeter and Digital Ammeter. By varying the heat-input
rates, wide range of experiments can be performed
estimate the actual rate of heat transfer through the composite
cylinders from the measured interface temperature of the known value of
thermal conductivity of the two insulating materials.
To determine the effective thermal conductivity of the composite cylinders
To determine the theoretical temperature profile within the composite cylinders
Electricity Supply: 1Phase, 220 V AC, 2 Amp.
Table for set-up support
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