Measurement Techniques

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At the test rigs of the institute different measuring techniques are used, which are individually adapted to the respective measuring application. In addition to classical pressure and temperature measurements, which are used in almost all test rig to determine global performance data, a large number of special solutions are as well. These include, for example, profile pressure measurements or leading edge instrumentation. Unsteady pressure measurements are also carried out on rotating test rigs.

Various probes and optical methods are used for detailed measurements of velocity, pressure and temperature fields. On the following pages the most important measurement techniques used are listed in detail.

The IST has a great deal of experience in the design and construction of a wide range of measurement techniques. In addition, static calibrations for pressure and temperature as well as dynamic calibrations in the free jet calibration wind tunnel can be carried out at the institute.