Direct numerical simulations of bubble-mediated gas transfer and dissolution in quiescent and turbulent flows

Direct numerical simulations of bubble-mediated gas transfer and dissolution in quiescent and turbulent flows
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静态和湍流中气泡介导的气体传递和溶解的直接数值模拟

DOI:
10.1017/jfm.2022.994
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发表时间:
2023
影响因子:
3.7
通讯作者:
Deike, Luc
Deike, Luc
中科院分区:
工程技术2区
文献类型:
--
作者:
Farsoiya, Palas Kumar;Magdelaine, Quentin;Antkowiak, Arnaud;Popinet, Stéphane;Deike, Luc

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我们进行直接数值模拟的气泡溶解在周围的液体。气泡体积减少,由于溶解的气体,与浸没边界方法的数值实施,耦合气体扩散和Navier-Stokes方程。对平面和球面几何的解析移动边界问题,包括经典的Epstein-Plesset问题的方法进行了验证。考虑气泡在静止液体中上升,我们证明了Theofanous等人(Intl J. Heat Mass Transfer,第19卷,第6期,1976年,第10页)的传质系数范围。613-624)。
We perform direct numerical simulations of a gas bubble dissolving in a surrounding liquid. The bubble volume is reduced due to dissolution of the gas, with the numerical implementation of an immersed boundary method, coupling the gas diffusion and the Navier–Stokes equations. The methods are validated against planar and spherical geometries’ analytical moving boundary problems, including the classic Epstein–Plesset problem. Considering a bubble rising in a quiescent liquid, we show that the mass transfer coefficient regime from Theofanous et al. (Intl J. Heat Mass Transfer, vol. 19, issue 6, 1976, pp. 613–624).
DOI: --
发表时间: 1980
期刊:
影响因子: --
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通讯作者: R. Subramanian
DOI: 10.1017/jfm.2022.330
发表时间: 2022-05-24
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