A turbine connected to a set of reduction gears.


Related Terms

BRIDGE GAGE

A gage which is normally used to determine turbine bearing wear.

PENSTOCK

1. A valve or sluice gate for regulating water or sewage flow. 2. A closed water conduit controlled by valves and located between the intake and the turbine in a hydroelectric plant.

OPEN-CYCLE GAS TURBINE

A gas turbine prime mover in which air is compressed in the compressor element, fuel is injected and burned in the combustor, and the hot products are expanded in the turbine element and exhausted to the atmosphere.

KAPLAN TURBINE

A propeller-type hydraulic turbine in which the positions of the runner blades and the wicket gates are adjustable for load change with sustained efficiency.

INSERTION METER

A type of flowmeter which measures the rotation rate of a small propeller or turbine rotor mounted at right angles to the end of a support rod and inserted into the flowing stream or closed pipe.

HYDROELECTRIC GENERATOR

1. An electric rotating machine that transforms mechanical power from a hydraulic turbine or water wheel.

HELICAL-FLOW TURBINE

A steam turbine in which the steam is directed tangentially and radially inward by nozzles against buckets milled in the wheel rim; the steam flows in a helical path, reentering the buckets one or more times. Also known as tangential helical-flow turbine.

BACK WORK RATIO

Is the fraction of the gas turbine work used to drive the compressor.

SINGLE SHAFT GAS TURBINE

A gas turbine arrangement in which the compressor and the gas turbine are all coupled to one shaft.

SIMPLE CYCLE

Referring to the gas turbine cycle consisting only of compression, combustion and expansion.

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