To accommodate thermal expansion between reformer tubes and the outlet manifolding.
A steam engine is an external combustion engine. As the steam engine combusts outside of the engine itself.
A rotary steam engine was a fire engine basically
Steam is created in a steam engine by heating water in a boiler until it turns into steam. The steam then builds up pressure, which is used to power the engine and drive machinery.
the steam engine was improved in 1769.
A steam engine?
Steam
noun: an engine worked by steam, typically one in which a sliding piston in a cylinder is moved by the expansive action of the steam generated in a boiler.A steam engine is an external combustion engine. As the steam engine combusts outside of the engine itself.
Steam in a steam engine is made by heating water in a boiler until it turns into steam. The steam is then directed into a cylinder where it pushes a piston, creating mechanical energy that powers the engine.
Robert Fulton.
Coal + Boiler= Steam Engine
James watt popularised steam engine.