Project is about Heat exchanger kit named TE 93.....Project guide has told us to do something with it..without modifying the project largely.....i came up with change of material of thermocouple (shown by temp t1 in the link) from copper to aluminium and comparing the results......here is the link.......https://www.gunt.de/static/s3593_1.php?p1=0&p2=&pN=search;Volltext;wl%20314