Which types of engines are predominantly used in naval ships?

Naval ships primarily rely on diesel engines and gas turbines due to their efficiency, power, and adaptability for different operational profiles. Diesel engines are favored for their fuel efficiency, reliability, and ability to operate at slow speeds, which is beneficial during long transits and patrols. They provide significant torque and can run for extended periods without needing extensive maintenance.

Gas turbines, on the other hand, are used for their high power-to-weight ratio and quick acceleration capabilities, making them ideally suited for modern naval combat scenarios where speed and agility are critical. They can generate a large amount of thrust and are typically utilized in surface combatants and destroyers that demand rapid response times.

The combination of these two engine types enables naval vessels to efficiently transition between different operational modes, whether it be for sustained cruising or for rapid engagement in combat situations. This blend of power sources supports the diverse mission requirements of naval forces, which include everything from sustained operations at sea to high-speed responses during conflict.