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Modern Modal Testing: A Cautionary Tale Read chapter Read first chapter

2020 | OriginalPaper | Chapter

14. Modal Analysis of Wind Turbine Blades with Different Test Setup Configurations

Authors : E. Di Lorenzo, S. Manzato, B. Peeters, V. Ruffini, P. Berring, P. U. Haselbach, K. Branner, M. M. Luczak

Published in: Topics in Modal Analysis & Testing, Volume 8

Publisher: Springer International Publishing

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Abstract

Modal testing of large structures such as wind turbine blades poses several challenges. Applied test setup configuration, test specimen mounting and measurement equipment are known to affect the test results. This paper presents a comparison study of the modal tests of nominally identical 14.3 m long blades. Blade A was supported in free-free boundary conditions and tested with the Experimental Modal Analysis using accelerometers. Blade B was clamped to a concrete block and tested with Operational Modal Analysis and strain gauges. The modes and corresponding natural frequencies obtained from both test cases were compared and correlated with the numerical models of the blades.

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previous chapter New Approaches to Inverse Structural Modification Theory Using Random Projections
next chapter Modal Excitation of Circular Rotating Structures Using an Innovative Electromagnetic Device
Literature
1.
International Electrotechnical Commission: International standard IEC 61400-23 Wind turbine generator systems – part 23: full-scale structural testing of rotor blades. In: Wind Turbines-Part 1: Design Requirements. International Electrotechnical Commission, Englewood, CO (2014)
2.
GE Renewable Energy: GE announces Haliade-X, the world’s most powerful offshore wind turbine (2018)
3.
Luczak, M., Peeters, B., Manzato, S., Di Lorenzo, E., Csurcsia, P.Z., Reck-Nielsen, K., Berring, P., Haselbach, P.U., Ruffini, V., Branner, K.: Integrated dynamic testing and analysis approach for model validation of an innovative wind turbine blade design. ISMA 2018 Conference, Leuven
4.
Luczak, M., Manzato, S., Peeters, B., Branner, K., Berring, P., Kahsin, M.: Dynamic investigation of twist-bend coupling in wind turbine blade. J. Theor. Appl. Mech. 49, 765–789 (2011)
5.
Dos Santos, F.L., Peeters, B.: Strain Modal Analysis – Recent Progress in Flow Control for Practical Flows, pp. 405–428. Springer, New York (2017)CrossRef
6.
Peeters, B., Guillaume, P., Van Der Auweraer, H., Cauberghe, B., Verboven, P., Leuridan, J.: The PolyMAX frequency-domain method: a new standard for modal parameter estimation? Shock. Vib. 11, 395–409 (2004)CrossRef
7.
Peeters, B., Van Der Auweraer, H., Vanhollebeke, F., Guillaume, P.: Operational Modal Analysis for estimating the dynamic properties of a stadium during a football game. Shock. Vib. 14(4), 283–303 (2007)CrossRef
Metadata
Title
Modal Analysis of Wind Turbine Blades with Different Test Setup Configurations
Authors
E. Di Lorenzo
S. Manzato
B. Peeters
V. Ruffini
P. Berring
P. U. Haselbach
K. Branner
M. M. Luczak
Copyright Year
2020
Book
Topics in Modal Analysis & Testing, Volume 8

Print ISBN: 978-3-030-12683-4

Electronic ISBN: 978-3-030-12684-1

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-12684-1_14

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