January 2001

Misc

Consider turboexpanders

Turboexpanders are expansion turbines, rotating machines similar to steam turbines. By common usage, the terms "expansion turbines" and "turboexpanders" specifically exclude steam and c..

Bloch, Heinz P., Hydrocarbon Processing Staff

Turboexpanders are expansion turbines, rotating machines similar to steam turbines. By common usage, the terms "expansion turbines" and "turboexpanders" specifically exclude steam and combustion gas turbines. Turboexpanders (Fig. 1) can also be characterized as modern rotating devices that convert the pressure energy of a gas or vapor stream into mechanical work as the gas or vapor expands through the turbine. If chilling the gas or vapor stream is the main objective, the mechanical work so produced is often considered a byproduct. If pressure reduction is the main objective, then heat recovery from the expanded gas is

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