Large Heat Exchanger
A heat exchanger is a device typically used to transfer heat (energy) between two fluids. These fluids are usually separated by a solid wall to prevent mixing. There are three large heat exchangers on the lab wall; two are double pipe exchangers (each of different length) and one is a shell and tube. Steam heats the oil in the system then water cools the oil. The students perform energy balances to determine the heat transfer coefficients and the surface area based on the data they obtain. They use this data to determine if either of the double pipe heat exchangers have fins on the inner pipe.