Statistical Analysis of Detailed 3-D CFD LES Simulations with Regard to CCV Modeling

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F16%3A00307727" target="_blank" >RIV/68407700:21220/16:00307727 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1515/mecdc-2016-0001" target="_blank" >http://dx.doi.org/10.1515/mecdc-2016-0001</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1515/mecdc-2016-0001" target="_blank" >10.1515/mecdc-2016-0001</a>

Result language

angličtina

Original language name

Statistical Analysis of Detailed 3-D CFD LES Simulations with Regard to CCV Modeling

Original language description

The paper deals with statistical analysis of large amount of detailed 3-D CFD data in terms of cycle-to-cycle variations (CCVs). These data were obtained by means of LES calculations of many consecutive cycles. Due to non-linear nature of Navier-Stokes equation set, there is a relatively significant CCV. Hence, every cycle is slightly different – this leads to requirement to perform statistical analysis based on ensemble averaging procedure which enables better understanding of CCV in ICE including its quantification. The data obtained from the averaging procedure provides results on different space resolution levels. The procedure is applied locally, i.e., in every cell of the mesh. Hence there is detailed CCV information on local level – such information can be compared with RANS simulations. Next, volume/mass averaging provides information at specific locations – e.g., gap between electrodes of a spark plug. Finally, volume/mass averaging of the whole combustion chamber leads to global information which can be compared with experimental data or results of system simulation tools (which are based on 0-D/1-D approach).

Czech name

—

Czech description

—

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BJ - Thermodynamics

OECD FORD branch

—

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

MECCA Journal of Middle European Construction and Design of Cars

ISSN

1214-0821

e-ISSN

—

Volume of the periodical

XIV

Issue of the periodical within the volume

1

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

16

Pages from-to

1-16

UT code for WoS article

—

EID of the result in the Scopus database

—