Direct numerical simulation of mixed convection of a liquid metal in the vertical rectangular channel

被引：0

作者：

Listratov, Y., I ^{[1
,2
]}

Tyalina, N. A. ^{[1
]}

机构：

[1] Natl Res Univ, Moscow Power Engn Inst, Moscow, Russia

[2] Russian Acad Sci, Joint Inst High Temp, Moscow, Russia

来源：

3RD ALL-RUSSIAN SCIENTIFIC CONFERENCE THERMOPHYSICS AND PHYSICAL HYDRODYNAMICS WITH THE SCHOOL FOR YOUNG SCIENTISTS | 2018年 / 1128卷

关键词：

FLOW; TURBULENCE; MERCURY;

D O I：

10.1088/1742-6596/1128/1/012017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the present work, mixed convection was studied using the direct numerical simulation (DNS) method for the upward flow of a liquid metal (Pr = 0.025) in a vertical rectangular heated channel. The Reynolds number (Re) varied from 10(4) to 2.10(4). The criterion for the appearance of thermogravitational convection, as well as the characteristic of the intensity of its influence, was the Grashof number (Gr), which varied in the range from 0 to 4.10(9). A significant and ambiguous effect of free convection on hydrodynamics and heat transfer, which depends on the ratio Gr/Re-2 and the Prandtl number, is obtained.

引用

页数：7

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