What is the most efficient steam engine?

The steam turbine is the most efficient steam engine and for this reason is universally used for electrical generation. Steam expansion in a turbine is nearly continuous, which makes a turbine comparable to a very large number of expansion stages.

Are steam engines more efficient?

Steam engines, on the other hand, are simpler and more efficient and can use a variety of fuels. Unlike a regular internal combustion engine, which explodes a mixture of fuel and air hundreds of times a second inside its cylinders to drive the pistons, steam engines burn fuel continuously in a different chamber.

Which is the most efficient engine?

The electric engine is most efficient. Electric motors are very efficient at converting electricity into work. Physicists throw around abstract numbers like 90%, whereas when discussing combustion engines, they use numbers less than 40%.

Which fuel is most efficient?

Diesel engines generally achieve greater fuel efficiency than petrol (gasoline) engines. Passenger car diesel engines have energy efficiency of up to 41% but more typically 30%, and petrol engines of up to 37.3%, but more typically 20%.

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