Open AccessDETERMINATION OF ACOUSTIC CHARACTERISTICS OF FULL-SCALE SAMPLE OF SINGLE LAYERED HONEYCOMB LINER BASED ON NUMERICAL SIMULATION
Author(s) -
И. В. Храмцов,
Oleg Kustov,
Vadim Palchikovskiy
Publication year - 2019
Publication title -
akustika
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.162
H-Index - 7
eISSN - 2570-8775
pISSN - 1801-9064
DOI - 10.36336/akustika201932182
Subject(s) - allowance (engineering) , computer simulation , compressibility , sample (material) , scale (ratio) , numerical analysis , mechanics , acoustics , materials science , mathematics , engineering , physics , mathematical analysis , mechanical engineering , thermodynamics , quantum mechanics
The acoustic characteristics of a full-scale sample of an actual single-layer liner are determined by numerical simulation of physical processes in normal incidence interferometer. Numerical simulation is performed based on solving the unsteady Navier-Stokes equations with allowance for compressibility in three-dimensional statement. It is noted the good agreement of the acoustic characteristics of the liner sample obtained in numerical simulation and in experiment. It is shown that conducting numerical simulation on single cell sample of the liner also gives results that are in good agreement with the experiment. It allows predicting the acoustic characteristics of samples of locally reacting liners with a more complex geometry in further.