The Turbomeca Artouste II C is a turboshaft engine that is comprised of a single-stage centrifugal compressor and two-stage axial turbine. The shaft power is 300 kW at 30000 rpm. Its main application is as the power plant of the Aérospatiale Alouette II helicopter. This was the first production helicopter to use a gas turbine engine and was employed in the Swiss Air Force.
In LEC, an Artouste II C engine is mounted in a test cell for research purposes. The design of the test cell is inspired by the typical layout of a power station. A number of sensors are employed to constantly monitor the critical engine parameters. All data are recorded through a computer controlled data acquisition system. The monitoring system and the control panel are in a separate, acoustically insulated control room.
In recent years, the main purpose of the test rig has been to develop high temperature instrumentation for in-engine diagnostics. Recent accomplishments of in-engine measurements can be found in Diss. ETH Nr. 17381 and include the first ever measurements in the very harsh environment of an operating turbine. Moreover, the rig is used for students’ experiments and demonstration purposes.
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