On Application of EARSM Turbulence Model for Simulation of Flow Field behind Rack Station

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F13%3A00197554" target="_blank" >RIV/68407700:21220/13:00197554 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1051/epjconf/20134501013" target="_blank" >http://dx.doi.org/10.1051/epjconf/20134501013</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/20134501013" target="_blank" >10.1051/epjconf/20134501013</a>

Result language
angličtina
Original language name
On Application of EARSM Turbulence Model for Simulation of Flow Field behind Rack Station
Original language description
This paper is interested in the mathematical modeling and approximation of the turbulent flow with strong anisotropy for the case of flow in a rack station. Turbulent models based on Boussinesq eddy viscosity assumption are traditionally employed for the solution of these types of flows. Linear eddy viscosity model and the assumption of isotropic Reynolds stress tensor are typically used in many cases. This leads to certain limitations in the cases of either separated flow or flow with significant curvature of the mean flow. The application of full Reynolds stress model is suitable for this case but it introduces at least seven additional equations and the model has much higher demand for computing time, grid parameters and discretization schemes. Therefore the Explicit Algebraic Reynolds Stress Model (EARSM) is used here. This model is based on two equations k - omega turbulence model with the nonlinear eddy viscosity model and explicit terms for anisotropic parts of the Reynolds stress tensor. The computational requirements are similar to the standard k - omega model. The numerical and experimental results from PIV measurement are compared.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BK - Liquid mechanics
OECD FORD branch
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Project
<a href="/en/project/TA01010184" target="_blank" >TA01010184: Research and development of IT racks, cooling and transport systems for data centers</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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