There are two cooling methods for diesel generator sets: air cooling and water cooling.
1. Air cooling
The air cooling method uses air as the cooling medium to transfer the heat from the heated parts of the diesel engine. This cooling method consists of Composed of cooling fan and guide cover.
In order to increase the heat dissipation neps, many corrugated fins are usually cast on the outer walls of the cylinder block, cylinder head and each radiator. When working, the fan rotates to flow the air along the air guide hood to the surface of the cylinder block and cylinder head. When the cold air flows through the heat sink, it takes away the heat given by the cylinder block and cylinder head.
2. Water cooling
The water cooling method uses water as the cooling medium to transfer the heat from the heated parts of the diesel engine. The characteristic of this cooling method is that it is easy to adjust the cooling intensity when the temperature or workload changes.
There are two types of water cooling methods: open type and closed type. In an open cooling system, the circulating water is directly connected to the atmosphere, and the steam pressure in the cooling system is always maintained at atmospheric pressure. In a closed system, water circulates in the closed system, and the vapor pressure of the cooling system is greater than the atmospheric pressure. Since the temperature difference between the cooling water temperature and the outside air temperature increases, the heat dissipation capacity of the entire cooling system is improved.