How does a gas turbine engine work on a ship?
Gas Turbine as a Ship’s Main Engine In gas turbine driven ships, the conventional gas turbine is combined with a power turbine which provides the power to the ships propeller. This system of ship propulsion is known as a “split-shaft gas turbine.” Hot exhaust gasses from the gas turbine are fed into the power turbine.
What is gas turbine engine in marine vessel?
4. Gas Turbine Propulsion. Gas turbine propulsion is used for naval as well as non-naval ships. In case of naval ships, the gas turbine propulsion system aids in faster movement of the ships which is necessary in case of the ship coming under attack.
What type of engine is used in ships?
Today, most ships use diesel engines, except for small boats that are driven by gasoline engines. The typical structure of diesel engine is shown in Fig. 1.2.
What fuel do gas turbine ships use?
The fuel is typically a clean, low viscosity petroleum oil. The air / fuel ratio, most likely being 60:1 (by weight), ignites to produce high pressure gas, slightly contaminated with products of combustion. The gas temperature varies from 850 to 1100 degrees Celsius.
What are the different types of gas turbine engines?
Four types of gas turbine engines are used to propel and power aircraft. They are the turbojet, turbofan, turboprop, and turboshaft.
Why turbines are used in ships?
Turbine generator is a popular source of clean power generation on ships as they don’t use any type of fuel i.e. heavy or diesel oil. Steam is an easy, environmental friendly and cheap form of fuel on ships. For turbine generators, the steam comes from the ship’s steam boiler plant.
What are the four types of gas turbine engine?
There are four different types of turbine engines – turbojet, turboprop, turbofan and turboshaft.
What type of fuel is used in ships?
Marine Heavy Fuel Oil (HFO) For Ships – Properties, Challenges and Treatment Methods. The basic requirement for any marine engine is to propel a ship or to generate power onboard by using the energy obtained from burning of fuel oil. HFO or heavy fuel oil is the most widely used type of fuels for commercial vessels.
What are the types of gas turbine engine?
Four types of gas turbine engines are used to propel and power aircraft. They are the turbojet, turbofan, turboprop, and turboshaft….Advantages of turbofan engine;
- Fuel efficient.
- Quieter than turbojets.
- They look awesome.
What does fuel do gas turbine powered ships use?
It is the production of hot gas during fuel combustion, not the fuel itself that the gives gas turbines the name. Gas turbines can utilize a variety of fuels, including natural gas, fuel oils, and synthetic fuels. Combustion occurs continuously in gas turbines, as opposed to reciprocating IC engines, in which combustion occurs intermittently.
Why are gas turbines used instead of piston engines?
Well gas turbines are not as thermodynamic efficient as piston engine at same power rating. However, there are still application where gas turbine has more advantage. well the power to weight ratio as others mentioned is very important for aircraft use obviously. A gas turbine is far more compact and lighter than piston engine of same power rating.
What is the difference between IC engine and gas turbine?
Running cost of gas turbine is less than the I.C engine. Efficiency; Efficiency of gas turbine is much higher than the I.C Engine. Balancing; Gas turbines are perfectly balance while I.C engines are not perfectly balance. Torque ; Gas turbine can produce a uniform torque so there is no need of flywheel but I.C engine require flywheel because of
Which engine is better piston or turbine?
Purchase Costs. New piston engines range in cost from$25,000 for small four cylinder engines to more than$100,000 for large six cylinder engines such as the Continental TSIO-550.