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DESCRIPTION :- Plate type heat exchanger consists of frame in which independent metal plates are clamped between a head and follower. The plates are sealed at their outer edges and around the ports by gaskets, which are so arranged that the liquid and the heating/cooling media be directed alternately into passages formed between the plates. The hot fluid enters at one side of the fixed end cover and flows through alternate channels between the plates and leaves the exchanger through a connection at other fixed end cover. The cold fluid enters at one side of the fixed end cover, and flows in counter current flow through alternate channels between the plates and leaves the exchanger at the other side of the fixed end cover. Hot fluid flows in one direction only, whereas direction of cold fluid flow can be changed from parallel or counter to hot water so that unit can be operated as parallel or counter flow heat exchanger. Temperature sensors are installed at various and appropriate locations to record the temperature of fluids at the time of running the experiment. This unit is an accessory of Heat Exchanger Service Unit and easily can be installed on the Service Unit.
EXPERIMENTATION :- To demonstrate the difference between parallel and counter flow operation. To study the temperature profile in parallel and counter flow heat exchanger.