Heat flow through a thin cooled pipe filled with micropolar fluid

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F15%3A00226522" target="_blank" >RIV/68407700:21110/15:00226522 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.15632/jtam-pl.53.3.569" target="_blank" >http://dx.doi.org/10.15632/jtam-pl.53.3.569</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.15632/jtam-pl.53.3.569" target="_blank" >10.15632/jtam-pl.53.3.569</a>

Result language
angličtina
Original language name
Heat flow through a thin cooled pipe filled with micropolar fluid
Original language description
In this Note a non-isothermal flow of a micropolar fluid in a thin pipe with circular cross-section is considered. The fluid in the pipe is cooled by the exterior medium and the heat exchange on the lateral part of the boundary is described by the Newton's cooling condition. Assuming that hydrodynamic part of the system is provided, we seek for the micropolar effects on the heat flow using standard perturbation technique. Different asymptotic models are deduced depending on the magnitude of the Reynoldsnumber with respect to the pipe's thickness. The critical case is identified and the explicit approximation for the fluid temperature is built improving the known result for the classical Newtonian flow as well. The obtained results are illustrated by some numerical simulations.
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
BA - General mathematics
OECD FORD branch
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Project
<a href="/en/project/GA13-18652S" target="_blank" >GA13-18652S: Computational modeling of damage and transport processes in quasi-brittle materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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