Temat: particle flow - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Acoustic propagation in inhomogeneous fluids: regularization via the introduction of fine particles
Autorzy:: Jordan, P. M.
Powiązania:: https://bibliotekanauki.pl/articles/38440473.pdf
Data publikacji:: 2020
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Tematy:: inhomogeneous fluids
Laplace transform
particle-laden flow
singular surface theory
Opis:: It is shown, using analytical methodologies, that the velocity field blow-up suffered by vertically ascending acoustic waves in an isothermal atmosphere can be eliminated via the introduction of fine particles. Assuming the inhomogeneous generalization of the particle-laden flow model known as the (linearized) Marble–Thompson model-1, it is established that bounded, exponentially decreasing, shock amplitudes can be obtained provided the mass fraction of particles exceeds a critical value, for which an exact expression is derived. Lastly, supporting numerical results are presented, special cases are discussed, and possible follow-on studies are noted.
Źródło:: Archives of Mechanics; 2020, 72, 1; 59-73
0373-2029
Pojawia się w:: Archives of Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Bödewadt flow and heat transfer of dusty fluid with Navier slip
Autorzy:: Turkyilmazoglu, M.
Powiązania:: https://bibliotekanauki.pl/articles/38694423.pdf
Data publikacji:: 2022
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Tematy:: revolving flow
velocity slip
dusty fluid
wall shears
fluid-particle interaction
heat transfer
Opis:: The current work deals with two-phase flow and heat transfer induced by a mixture of fluid and dust particles revolving with a constant angular velocity above a slippage planar wall. Interaction of the solids with the fluid through an interaction force while rotating above the surface is formulated through a similarity system of equations akin to the Bödewadt flow in the absence of suspended particles. Although the velocity fields of fluid and solid are strictly coupled, the heat fields are decoupled from the velocity fields, but they are still in contact with each other due to the coupling of fluid and particle temperatures. The dusty fluid flow character is simulated numerically to capture the fluid and dust phase behaviors. The momentum and thermal layers are resolved in the presence of wall slip mechanism. Illustrative and quantitative results are eventually presented reflecting the physical features of particles and fluid at any stage of interaction during the rotary motion. It is revealed that the wall slip mechanism can be effective enough to alter the usual Bödewadt flow phenomenon.
Źródło:: Archives of Mechanics; 2022, 74, 2-3; 157-172
0373-2029
Pojawia się w:: Archives of Mechanics
Dostawca treści:: Biblioteka Nauki

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