An experimental evaluation of convective heat transfer in multi-layered fibrous materials composed by different middle layer structures

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F21%3A00006673" target="_blank" >RIV/46747885:24410/21:00006673 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/46747885:24620/21:00006673

Výsledek na webu

<a href="https://journals.sagepub.com/doi/full/10.1177/1528083719878845" target="_blank" >https://journals.sagepub.com/doi/full/10.1177/1528083719878845</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1177/1528083719878845" target="_blank" >10.1177/1528083719878845</a>

Jazyk výsledku

angličtina

Název v původním jazyce

An experimental evaluation of convective heat transfer in multi-layered fibrous materials composed by different middle layer structures

Popis výsledku v původním jazyce

In this work, three types of multi-layered fibrous materials with different middle layer For Peer Review structures, including Struto nonwoven, Struto nonwoven with air pockets and Struto nonwoven with air pockets filled by aerogel particles, were prepared based on laser engraving technique and laminating method. A custom-built new device was fabricated to evaluate convective thermal behaviour of the multi-layered materials in cross flow. It was found that in cross flow the heat transfer coefficient of the multi-layered material with encapsulated aerogels is directly proportional to Reynolds number. There are considerable variances in heat transfer rates of the three structures at low airflow velocity (less than 10m/s), but the values are very close at high airflow velocity. It is concluded that the air pockets and aerogels present in the multi-layered fibrous material have significant effect on convective thermal behaviour of the overall structure in cross flow. The finding is a new contribution to the field of aerogel-based fibrous materials as thermal insulators in building and industrial facilities.

Název v anglickém jazyce

An experimental evaluation of convective heat transfer in multi-layered fibrous materials composed by different middle layer structures

Popis výsledku anglicky

In this work, three types of multi-layered fibrous materials with different middle layer For Peer Review structures, including Struto nonwoven, Struto nonwoven with air pockets and Struto nonwoven with air pockets filled by aerogel particles, were prepared based on laser engraving technique and laminating method. A custom-built new device was fabricated to evaluate convective thermal behaviour of the multi-layered materials in cross flow. It was found that in cross flow the heat transfer coefficient of the multi-layered material with encapsulated aerogels is directly proportional to Reynolds number. There are considerable variances in heat transfer rates of the three structures at low airflow velocity (less than 10m/s), but the values are very close at high airflow velocity. It is concluded that the air pockets and aerogels present in the multi-layered fibrous material have significant effect on convective thermal behaviour of the overall structure in cross flow. The finding is a new contribution to the field of aerogel-based fibrous materials as thermal insulators in building and industrial facilities.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20503 - Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)

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

2021

Kód důvěrnosti údajů

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

Název periodika

Journal of Industrial Textiles

ISSN

1528-0837

e-ISSN

—

Svazek periodika

51

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

18

Strana od-do

362-379

Kód UT WoS článku

000489412700001

EID výsledku v databázi Scopus

2-s2.0-85074409098