How does a double acting steam engine work?

In summary, a reciprocating steam engine is a heat engine that uses steam to create mechanical motion. It works by converting heat energy into mechanical work through a cylinder and crankshaft. They have advantages such as high efficiency and versatility, but are also limited by their size and constant need for fuel and water. While mostly replaced by modern technologies, they are still used in niche applications and among steam engine enthusiasts.
  • #1
thegr81
3
0
hello

i'm a first year student of mech eng...although its embarassing to admit, but i actually do not understand how a double acting steam engine functions. more specifically, i don't understand the inner-mechanism of the return-stroke. how does the piston come back to the top dead centre? is the steam re-routed to the other side? or does the flywheel's inertia cause the return?

can anybody please show me a diagram/animation of what happens inside the valve-system and cylinder during a complete revolution of the flywheel?

thanks
 
Engineering news on Phys.org

1. What is a reciprocating steam engine?

A reciprocating steam engine is a type of heat engine that uses steam to create mechanical motion. It works by converting the heat energy from steam into mechanical work, which is then used to power machinery or produce electricity.

2. How does a reciprocating steam engine work?

A reciprocating steam engine works by using a boiler to heat water and produce steam. The steam then enters a cylinder, where it pushes a piston back and forth. This motion is converted into rotary motion through a crankshaft, which can power machinery or turn a generator to produce electricity.

3. What are the advantages of reciprocating steam engines?

Reciprocating steam engines have several advantages, including high efficiency, low maintenance, and the ability to use a variety of fuels. They are also versatile and can be used in a variety of applications, from transportation to industrial machinery.

4. What are the disadvantages of reciprocating steam engines?

One major disadvantage of reciprocating steam engines is their size and weight, making them less practical for use in smaller vehicles or applications. They also require a constant supply of fuel and water, making them less efficient for continuous use compared to other types of engines.

5. Are reciprocating steam engines still used today?

While they have been largely replaced by more modern technologies, reciprocating steam engines are still used in some niche applications, such as in steam-powered boats or historic steam trains. They are also popular among hobbyists and steam engine enthusiasts.

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