Main Types of Diesel Engine Water Cooling Systems (1) Open Cooling System In an open-loop cooling system, water is directly introduced into the diesel engine to cool heated components. After absorbing heat, the water is discharged to external water sources such as channels, rivers, lakes, or oceans, depending on the application. Alternatively, the heated water may be directed to a cooling tower or spray pond, where it is cooled before being pumped back to the engine. In such cases, makeup water

An Introduction to Closed Loop Cooling | Kooltronic

Sea-Doo Closed Loop vs. Open Loop Cooling System [Video] - jetdrift.com