Sensitivity analysis of source region size on results of Stochastic Noise Generation and Radiation model
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F14%3APU112141" target="_blank" >RIV/00216305:26210/14:PU112141 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Sensitivity analysis of source region size on results of Stochastic Noise Generation and Radiation model
Original language description
The paper deals with the Stochastic Noise Generation and Radiation (SNGR) model based on synthesizing of turbulent velocity components from results of a Reynolds Averaged Navier-Stokes (RANS) simulation. The turbulent velocity components are then used for computation of aero-acoustic sources representing the right-hand side of linerized Euler equations (LEE) describing the sound propagation. Primarily, the paper is aimed on testing the sensitivity of SNGR model solution on a source region size. Specifically, an acoustic intensity was chosen as a comparative variable computed by solving LEE via meshfree Finite Point Method (FPM). The size of source region has a direct impact on time and memory requirements during the stochastic reconstruction. As a testcase, we chose a 2D free plane jet with height 2b0 = 30mm and M = 0.1. For obtaining the averaged flow results, the RANS simulation with standard k-e turbulence model was performed. Based on this averaged results, the turbulent velocity
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
BI - Acoustics and oscillation
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA13-27505S" target="_blank" >GA13-27505S: Meshfree technique with Large Eddy Simulation for fluid dynamics and computational aeroacoustics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Proceedings of 43rd International Congress on Noise Control Engineering
ISBN
978-0-909882-04-4
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
1-7
Publisher name
Neuveden
Place of publication
Neuveden
Event location
Melbourne
Event date
Nov 16, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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