Investigation of convective heat transfer in 9-layer film blowing process by using variational principles

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F15%3A43872996" target="_blank" >RIV/70883521:28610/15:43872996 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0017931015002343" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0017931015002343</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ijheatmasstransfer.2015.02.071" target="_blank" >10.1016/j.ijheatmasstransfer.2015.02.071</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Investigation of convective heat transfer in 9-layer film blowing process by using variational principles

Popis výsledku v původním jazyce

In this work, coextrusion experiments utilizing an industrial 9-layer Brampton Engineering coextrusion film blowing line for LDPE/LDPE/tie/PA6/EVOH/PA6/tie/LDPE/LDPE film production has been performed in order to investigate the effect of cooling intensity on the bubble shape, temperature profile and final mechanical properties of the produced multilayer film. Obtained experimental, data followed by theoretical parametric analysis were used to evaluate three different convective heat transfer models byusing simple variational principle based film blowing model. For the studied processing conditions and given multilayer structure of the coextruded film, it has been demonstrated experimentally that reduction in the heat transfer coefficient leads to increase in Young's modulus and yield strength. Secondly, it has been found that the variational principle based model can describe measured multilayer bubble shape reasonably well and finally, the Muslet & Kamal heat transfer model (Muslet

Název v anglickém jazyce

Investigation of convective heat transfer in 9-layer film blowing process by using variational principles

Popis výsledku anglicky

In this work, coextrusion experiments utilizing an industrial 9-layer Brampton Engineering coextrusion film blowing line for LDPE/LDPE/tie/PA6/EVOH/PA6/tie/LDPE/LDPE film production has been performed in order to investigate the effect of cooling intensity on the bubble shape, temperature profile and final mechanical properties of the produced multilayer film. Obtained experimental, data followed by theoretical parametric analysis were used to evaluate three different convective heat transfer models byusing simple variational principle based film blowing model. For the studied processing conditions and given multilayer structure of the coextruded film, it has been demonstrated experimentally that reduction in the heat transfer coefficient leads to increase in Young's modulus and yield strength. Secondly, it has been found that the variational principle based model can describe measured multilayer bubble shape reasonably well and finally, the Muslet & Kamal heat transfer model (Muslet

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JP - Průmyslové procesy a zpracování

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

International Journal of Heat and Mass Transfer

ISSN

0017-9310

e-ISSN

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Svazek periodika

86

Číslo periodika v rámci svazku

Neuveden

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

258-267

Kód UT WoS článku

000355029900027

EID výsledku v databázi Scopus

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