What types of heat exchangers are normally used in ships?
Large size engines (normally diesel engines) are used in ships for propulsion and electricity generation. These large engines are having different systems, like water system, lube oil system, fuel oil system, starting air system etc. Different types of heat exchangers play important roles for controlling temperatures of these different systems. Two types of heat exchangers most commonly used in ships are: · Shell and tube heat exchanger · Plate type heat exchanger Shell and tube heat exchanger As the name implies, this types of heat exchangers are made up of large numbers of tubes and a shell, covering the bundles of tubes. Shell and tube heat exchangers are useful for pressurized application. Heat is transferred between the fluid in the tubes and the fluid inside the shell. Design of the tube bundle is such that, all the entry sides of the tube could be connected to a common header and similarly all the exit sides of the tubes also form another common header. Single pass heat exchange
