Measurement of Aircraft Propeller Dynamic Loading

Abstract:

Aircraft Propeller Testing Laboratory of VZLÚ Praha-Letňany has been performed strain measuments on rotating parts, especially on aircraft propellers, for more than five decades. The means of signal recording and its processing have been changed during this age, following technical trends in electrical enginering, but a resistance strain gauge has remained the only one sensor easy practicable for the measurement. The article describes the contemporary state-of-the art and presents some examples of signal evaluation to obtain the data required for purpose of design and certification.

• Periodical: Applied Mechanics and Materials (Volume 732)
• Pages: 227-230
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.732.227
• Online since: February 2015
• Authors: Jindřich Rosa*, Jan Cagáň
• Keywords: Aircraft Propeller, Dynamic Loading, Strain Gauge, Vibration

References

[1] EASA Certification Specification for Propellers CS-P, Amendment 1, 16 November 2006, Information on www. easa. eu. int/agency-measures/certification-specifications. php.

[2] M. Holl, S. Soukup, Z. Huječek, Contribution to the experimental stress analysis of the air propeller from the point of view of its structure, in: Proceedings of the 22nd conference Experimental stress analysis 1984, ČS VTS, Holany, 1984, pp.40-42.

[3] J. Rosa, J. Cagáň, V. Andrýsek, Gauge measurement of dynamic stress of KW-31 propeller blades installed on the Rotax 912S engine, Part 2: Flight tests, Report VZLÚ R-5738, Aerospace Research and Test Establishment, Praha, 2013. (in Czech).