Experimental Setup

The apparatus consists of a brass specimen of circular cross section. One end of the rod is heated by an electric heating coil while, the other end projects into a cooling water jacket. The rod is insulated with asbestos to prevent heat loss in the lateral direction (y axis) and ensure one dimensional heat conduction along the length of the rod (x axis). The temperature of the rod is measured at five different locations on the surface of the specimen using K-type thermocouples. The heater is provided with a variac for controlling the heat input. The flow rate of cooling water can be adjusted using the inlet valve. Two thermocouples, one each at inlet and outlet of the jacket indicate temperature of flowing water.

1. Length of the metal rod = 250 mm
2. Diameter of the metal rod, D =20 mm
3. Number of thermocouples mounted on the specimen = 5
4. Cooling water jacket diameter = 100 mm
5. Temperature indicator (Digital type)