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The apparatus is used to calculate heat transfer rate and LMTD in parallel and counter flow.

Experimental Setup consisting of:

• Outer tube of inner I.D. 25mm and length 1.2 metre.
• Inner tube of I.D. 10mm and length 1.5 metre.
• Thermocouples - 5 Nos.
• Arrangement for making parallel and counter flow.

Heating arrangement:

• Cold water storage tank.
• Hot water storage tank temperature constant through thermostat.
• Electric industrial heater of 2 KW.

Control panel consisting of:

• 5 Channels Digital Temp. Indicator range: 0-200oC
• Digital Voltmeter 0-250V
• Digital Ammeter 0-2A