Influence of surface properties on the dynamics of fluid flow

Enej Istenič (Avtor), Viktor Šajn (Avtor), Miha Brojan (Avtor)

Povzetek

In this paper, we study how the fluid flow near the surface of a monocrystalline body is affected by the surface properties due to atom-surface scattering. We propose a toy model for this system by parameterizing the surface with a periodic function of the tangential position. This allows us to derive the velocity probability density function in the Knudsen layer and determine statistical averages of fluid velocity and stress tensor components in the region of interest. The results of this analysis provide a potentially more fundamental and accurate explanation for empirically observed phenomena such as the no-slip boundary condition, boundary layer formation, and the onset of hydrodynamic instability.

Ključne besede

kinetic theory of gases;fluid flow near a wall;fluid mechanics;

Podatki

Jezik:	Angleški jezik
Leto izida:	2022
Tipologija:	1.01 - Izvirni znanstveni članek
Organizacija:	UL FS - Fakulteta za strojništvo
UDK:	532:533
COBISS:	97019651
ISSN:	1070-6631
Št. ogledov:	1132
Št. prenosov:	227
Ocena:	0 (0 glasov)
Metapodatki:

Ostali podatki

Sekundarni jezik:	Slovenski jezik
Sekundarne ključne besede:	kinetična teorija plinov;tok fluida ob steni;mehanika fluidov;
Vrsta dela (COBISS):	Članek v reviji
Strani:	str. 1-17
Letnik:	ǂVol. ǂ34
Zvezek:	ǂiss. ǂ2
Čas izdaje:	2022
DOI:	10.1063/5.0078745
ID:	14511498