Shell and tube heat exchangers are among the most popular and versatile types of heat exchangers used in industrial applications. They consist of a series of tubes, one set carrying the hot fluid that needs cooling and the other set carrying the cooling fluid. The heat exchange process happens as the hot fluid flows through the tubes, transferring its heat to the cooling fluid circulating around the tubes within the outer shell. This design allows for efficient heat transfer and can handle high pressures and temperatures, making it ideal for a wide range of cooling applications. From engine cooling in automotive and marine industries to process cooling in chemical plants, shell and tube heat exchangers play a critical role in maintaining optimal operational temperatures and ensuring the longevity and efficiency of equipment.