Natural convection from two hot semi-circular cylinder confined in cold circular cylinder

被引：0

作者：

Helmaoui M. ^{[1
]}

Laidoudi H. ^{[1
]}

Ghenaim A. ^{[2
]}

机构：

[1] Laboratoire des Sciences et Ingénierie Maritime (LSIM), Faculty of Mechanical engineering, USTO-MB, BP 1505, El-Menaouer, Oran

[2] Laboratoire de Mécanique et Environnement ICUBE/INSA, Institut National des Sciences Appliquées, 24, Boulevard de victoire, Strasbourg

来源：

Defect and Diffusion Forum | 2021年 / 409卷

关键词：

Heat transfer; Natural convection; Numerical simulation; Semi-circular; Steady flow;

D O I：

10.4028/www.scientific.net/DDF.409.58

中图分类号：

学科分类号：

摘要：

Numerical simulations were performed to study the pertinent parameters of natural convection in annular space. The studied geometry consists of two semi-circular cylinders of hot walls confined in cold cavity of circular cross-sectional form. The simulations were done by solving numerically the governing equations via the commercial software ANSYS-CFX. The results showed that this new form of inner cylinders is suitable for insulating applications. The pertinent parameters were selected for this work were: Prandtl number (Pr = 0.71 to 1000) and Rayleigh number (Ra = 103, 104 and 105). © 2021 Trans Tech Publications Ltd, Switzerland.

引用

页码：58 / 66

页数：8

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