Naslov
Stochastic Boundary-Domain Integral Method for heat transport simulations

Autori
Ravnik, Jure ; Šušnjara, Anna ; Tibaut, Jan ; Poljak, Dragan ; Cvetković, Mario

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
2019 4th International Conference on Smart and Sustainable Technologies (SpliTech) / - Split, 2019, 1-6

ISBN
978-953-290-091-0

Skup
4th International Conference on Smart and Sustainable Technologies (SpliTech 2019)

Mjesto i datum
Split, Hrvatska, 18.06.2019. - 21.06.2019

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
boundary-domain integral method ; velocity- vorticity formulation ; nanofluids ; fluid flow ; heat transfer ; stochastic collocation method ; sensitivity analysis

Sažetak
In this paper we couple a numerical method aimed at simulation of flow and heat transfer of nanofluids with stochastic modelling of input and material parameters. A fast Boundary- Domain Integral Method has been developed to solve the governing equations and set up the deterministic flow and heat transfer solver. Furthermore, the Stochastic Collocation Method is used in combination with the deterministic flow simulation code in order to propagate the uncertainty from input to output parameters. The developed algorithm is used to simulate natural convection of a nanofluid in a closed cavity. By simulation of a very large number of cases and by applying the stochastic analysis, we were able to identify the relative impact of different input parameters. The results reveal that the uncertainty of input parameters results in more stronger influence in the convection dominated flow regimes.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

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