Journal Pre-proofs Research on airplanes engines dynamic processes with modern acoustic meth- ods for fast and accurate diagnostics and safety improvement Marek Waligórski, Karolina Batura, Karolina Kucal, Jerzy Merkisz PII: S0263-2241(19)31327-2 DOI: https://doi.org/10.1016/j.measurement.2019.107460 Reference: MEASUR 107460 To appear in: Measurement Received Date: 23 October 2019 Revised Date: 7 December 2019 Accepted Date: 27 December 2019 Please cite this article as: M. Waligórski, K. Batura, K. Kucal, J. Merkisz, Research on airplanes engines dynamic processes with modern acoustic methods for fast and accurate diagnostics and safety improvement, Measurement (2019), doi: https://doi.org/10.1016/j.measurement.2019.107460 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Elsevier Ltd. All rights reserved.