A shell and tube heat exchanger is a mechanical device used for transferring heat between two fluids, typically a hot fluid and a colder fluid while ensuring their separation. The exchanger consists of a cylindrical shell with multiple tubes running through it. One fluid flows through the tubes (tube side), while the other fluid passes through the surrounding shell (shell side). Al... https://alaquainc.com/shell-and-tube-heat-exchanger-understanding-its-function-and-operation/