이로써, 디젤 엔진으로부터 배출되는 재킷 냉각수의 온도가 저하되고, 재킷 냉각수로부터 폐기되는 열량이 감소한다.
Accordingly, the temperature of the jacket cooling water discharged from the diesel engine is lowered, and the amount of heat disposed of from the jacket cooling water is reduced.