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Friday, April 20, 2007

SYNOPSIS OF MY PROJECT

SYNOPSIS

The project work is intended to design and make a performance study of both parallel parallel and counter flow multi tube heat exchanger.

The heat exchanger is fabricated according to the design details given in the report and a performance study is carried out by varying the flow rate of both hot and cold fluids. Various parameters like heat capacity, overall heat transfer coefficient, effectiveness have been determined. By measuring the terminal temperatures LMTD have been determined.NTU vs effectiveness have been plotted for one value of heat capacity ratio Cmin / Cmax = 0.05 .

It has been found that as NTU increases the effectiveness also increases upto a value 75% and there after the effectiveness is found to be remain constant in case of parallel flow heat exchanger. For a counter flow heat exchanger the effectiveness is found to increase with increase in NTU. After attaining a value 80% the effectiveness is found to remain constant for increase in NTU.

The setup is found to be suitable for carrying out experimentson heat exchanger performance.

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