Sensitivity Analysis of the Estimation of the Single-Number Sound Absorption Evaluation Index DLα

• Autorzy: Batko W. , Pawlik P. , Wszołek G.

Identyfikatory

DOI

10.1515/aoa-2017-0071

• Języki publikacji: EN

Abstrakty

EN

Acoustic barriers are assigned to the respective categories of sound absorbing properties on the basis of a single-number sound absorption evaluation index. Categories of absorbing properties play a significant role in selecting the barrier type for the given localisation. The estimation of the single-number sound absorption evaluation index is performed, among others, by means of measuring the sound absorption coefficient of the analysed acoustic barrier sample in the reverberation chamber. The sensitivity analysis of the determination of the single-number sound absorption evaluation index was performed in this work. The estimation of the input parameters uncertainty contribution to the expanded uncertainty of the sound absorption evaluation index, was done first. The Monte Carlo method and the reduction interval arithmetic were used for this aim. The relative sensitivity coefficients were determined by means of the author’s method based on the interval arithmetic. These coefficients contain information concerning the quantitative influence of the given input value on the final result.

Słowa kluczowe

EN

sensitivity analysis; acoustic barriers; interval arithmetic; Monte Carlo method

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2017
• Tom: Vol. 42, No. 4
• Strony: 689--696
• Opis fizyczny: Bibliogr. 14 poz., fot., tab., wykr.

Twórcy

autor

Batko W.

• AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Mechanics and Vibroacoustics, al. A. Mickiewicza 30, 30-059 Kraków, Poland

autor

Pawlik P.

• AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Mechanics and Vibroacoustics, al. A. Mickiewicza 30, 30-059 Kraków, Poland

autor

Wszołek G.

• AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Mechanics and Vibroacoustics, al. A. Mickiewicza 30, 30-059 Kraków, Poland

Bibliografia

• 1. Batko W., Pawlik P. (2012), New Approach to the Uncertainty Assessment of Acoustic Effects in the Environment, Archives of Acoustics, 37, 1, 57-61.
• 2. Batko W., Pawlik P., Stępień B. (2015), Non-classical statistical methods in the uncertainty evaluation in acoustic research and modelling [in Polish: Nieklasyczne metody statystyczne w ocenie niepewności w badaniach i modelowaniu akustycznym], Wydawnictwo Naukowe Instytutu Technologii Eksploatacji – PIB, Radom.
• 3. ISO/IEC Guide 98-3:2008, Uncertainty of measurement – Part 3: Guide to the expression of uncertainty in measurement (GUM:1995).
• 4. ISO/IEC Guide 98-3-SP1:2008, Supplement 1 – Uncertainty of measurement – Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) – Propagation of distributions using a Monte Carlo method.
• 5. Jakubiec J. (2002), Application of Reductive Interval Arithmetic to Uncertainty Evaluation of Measurument Data Processing Algorithms [in Polish: Redukcyjna arytmetyka interwałowa w zastosowaniu do wyznaczania niepewności algorytmów przetwarzania danych pomiarowych], Silesian University of Technology Press, Gliwice.
• 6. Moore R. E. (1962), Interval Arithmetic and Automatic Error Analysis in Digital Computing, Stanford, CA, PhD thesis, Stanford University.
• 7. Moore R. E. (1966), Interval Analysis, Englewood Cliffs NJ, Prentice-Hall.
• 8. PN-EN 1793-1:2013-05 – Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of sound absorption.
• 9. PN-EN 1793-3:2001 – Road traffic noise reducing devices. Test method for determining the acoustic performance. Normalized traffic noise spectrum.
• 10. PN-EN ISO 354:2005 – Acoustics – Measurement of sound absorption in a reverberation room.
• 11. Przysucha B., Batko W., Szeląg A. (2015), Analysis of the accuracy of uncertainty noise measurement, Archives of Acoustics, 40, 2, 183-189.
• 12. Stępień B. (2016), Bootstrap Confidence Intervals for Noise Indicators, Acta Acustica United With Acustica, 102, 389-397.
• 13. Warmus M. (1956), Calculus of approximations, Bulletin de l’Academie Polonaise des Sciences, 4, 5, 253-257.
• 14. Wszołek G. (2014), Uncertainty Analysis for Determination of Sound Absorption Evaluation Index DLα, 7th Forum Acusticum 2014, Kraków.

Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).