A vessel with class wool insulation all around makes up the unit. Inside the vessel is a copper helical coil that is fixed. At the center of the coil is a fixed motorized agitator. A controller is also provided for the vessel, along with an electric heater. Cold water is pumped through the chute while the heater warms the water in the jacket. Heat transfer coefficient at different agitator speeds can be calculated by measuring the temperatures of the water that is circulated and the water inside the vessel.
Experimental Objectives
To determine coil side overall heat transfer coefficient (U ) for different agitation speeds in given agitated vessel.
To determine the jacketed overall heat transfer coefficient (U) for different agitation speeds in given agitated vessel
Specifications
Vessel approx. 20 lit. capacity, provided with glass wool insulation all around and electric heater at the bottom.
Agitator 150 mm dia, with 1/8 HP motor to drive the agitator.
Helical coil 200 dia, 8 turns, made of 3/8? dia. copper tube.
Controllers for heater and agitator motor.
Temp. Indicator for vessel water temperature and circulated water inlet and outlet.
Required Other Items but not Included with above supply
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