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.
Range Of Experiments :-
- To determine total thermal resistance & thermal conductivity of lagged pipe.
- To plot temperature gradient across the lagged material.
- The experiments can be conducted at various values of input & calculation can be made accordingly.
- To plot Heat input (supplied) Vs thermal conductivity in lagged pipe.
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