Prediction of average droplet size in flowing immiscible polymer blends

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F17%3A00475233" target="_blank" >RIV/61389013:_____/17:00475233 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1002/app.45250" target="_blank" >http://dx.doi.org/10.1002/app.45250</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/app.45250" target="_blank" >10.1002/app.45250</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Prediction of average droplet size in flowing immiscible polymer blends

Popis výsledku v původním jazyce

The paper is focused on calculation of the average droplet size in immiscible blends during their steady flow. Available theoretical and experimental results of studies of the droplet breakup and coalescence are utilized to derive the equations describing dynamic equilibrium between the droplet breakup and coalescence. New expression for the coalescence efficiency, reliably reflecting recent theoretical results, is proposed. The equation for the average steady droplet size, controlled by the stepwise breakup mechanism and coalescence of droplets with not very different sizes, is derived for blends containing up to 10–20 vol % of the droplets. For blends with above approximate 20 vol % of the droplets, the breakup by the Tomotika mechanism and coalescence in highly polydisperse system is modeled. Results of the derived equations are compared with experimental data. Qualitative agreement is found for the dependence of the droplet size on the amount of the dispersed phase.

Název v anglickém jazyce

Prediction of average droplet size in flowing immiscible polymer blends

Popis výsledku anglicky

The paper is focused on calculation of the average droplet size in immiscible blends during their steady flow. Available theoretical and experimental results of studies of the droplet breakup and coalescence are utilized to derive the equations describing dynamic equilibrium between the droplet breakup and coalescence. New expression for the coalescence efficiency, reliably reflecting recent theoretical results, is proposed. The equation for the average steady droplet size, controlled by the stepwise breakup mechanism and coalescence of droplets with not very different sizes, is derived for blends containing up to 10–20 vol % of the droplets. For blends with above approximate 20 vol % of the droplets, the breakup by the Tomotika mechanism and coalescence in highly polydisperse system is modeled. Results of the derived equations are compared with experimental data. Qualitative agreement is found for the dependence of the droplet size on the amount of the dispersed phase.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

<a href="/cs/project/GA14-17921S" target="_blank" >GA14-17921S: Vícefázové biodegradabilní polymerní systémy</a><br>

Návaznosti

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

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název periodika

Journal of Applied Polymer Science

ISSN

0021-8995

e-ISSN

—

Svazek periodika

134

Číslo periodika v rámci svazku

35

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

1-12

Kód UT WoS článku

000403346000017

EID výsledku v databázi Scopus

2-s2.0-85020430786