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Temperature measurement for aircraft-turbine-engine development

Methods are described for measuring temperature of interest to the stress analyst during development of aircraft-gas-turbine engines. Techniques for use of thermocouples on both stationary and rotating parts of the engine, and optical techniques for use on turbine parts, are described

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Summary

The few examples of temperature measurement given here only touched upon the many varied applications of temperature measurement in turbine-engine development. Thermocouples, with careful techniques of application, and with an assist from optical methods in some of the hotter regions of the engine, are capable of meeting the needs of the designer for temperature data. However, the application of a thermocouple or any other sensing device is very likely to change significantly the temperature of the specimen, unless all aspects of the heat-transfer situation are carefully considered. The experimental stress analyst needing temperature measurements in regions of large temperature gradients must also become something of a heat-transfer analyst if he is to obtain valid data.

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References

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Gorton, R.E. Temperature measurement for aircraft-turbine-engine development. Experimental Mechanics 9, 27N–34N (1969). https://doi.org/10.1007/BF02326543

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  • DOI: https://doi.org/10.1007/BF02326543

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