Comparison of Noise Impact from Aircraft Flyover Measurements and Simulations Considering Model Uncertainties Article Swipe

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Felix Lößle , Lothar Bertsch , Rainer Schmid ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.3390/aerospace12121047

This paper presents a comparison of acoustic flyover measurements conducted using DLR’s Advanced Technology Research Aircraft for different aircraft configurations with simulations performed in the Parametric Aircraft Noise Analysis Module. The focus of the comparison is on quantifying the simulation uncertainty arising from the source models used to describe the individual noise components (model uncertainty). Combining the comparison of measurements and simulations with the model uncertainty analysis allows for the identification of systematic deviations and modelling insufficiencies in the simulation. Based on eight different aircraft flyover configurations, the study demonstrates that the simulations match the measurements very well in six cases. The deviations observed in the remaining two cases can be attributed to the selected source model for the slat.

Related Topics

Computer Science

Range (Aeronautics)

Acoustics

Environmental Science

System Identification

Engineering

Aerospace Engineering

Simulation

Noise Pollution

Concepts

Aircraft noise Noise (video) Parametric statistics Parametric model Computer science Focus (optics) Range (aeronautics) Noise measurement Identification (biology) Acoustics Environmental science Uncertainty quantification Uncertainty analysis System identification Engineering Aerospace engineering Measure (data warehouse) Model validation Simulation Noise pollution Measurement uncertainty Simulation modeling Statistical model Noise reduction

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Type: article
Language: en
Landing Page: https://doi.org/10.3390/aerospace12121047
PDF: https://www.mdpi.com/2226-4310/12/12/1047/pdf
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DOI: https://doi.org/10.3390/aerospace12121047

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Title: Comparison of Noise Impact from Aircraft Flyover Measurements and Simulations Considering Model Uncertainties

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Language: en

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Publication year: 2025

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Publication date: 2025-11-25

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Authors: Felix Lößle, Lothar Bertsch, Rainer Schmid

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Landing page: https://doi.org/10.3390/aerospace12121047

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Concepts: Aircraft noise, Noise (video), Parametric statistics, Parametric model, Computer science, Focus (optics), Range (aeronautics), Noise measurement, Identification (biology), Acoustics, Environmental science, Uncertainty quantification, Uncertainty analysis, System identification, Engineering, Aerospace engineering, Measure (data warehouse), Model validation, Simulation, Noise pollution, Measurement uncertainty, Simulation modeling, Statistical model, Noise reduction

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