Correlations for transient natural convection in parallelogrammic enclosures with isothermal hot wall

被引：13

作者：

Bairi, Abderrahmane ^{[1
]}

机构：

[1] Univ Paris Ouest, LTIE, EA 4415, Dept GTE, F-92410 Ville Davray, France

来源：

APPLIED THERMAL ENGINEERING | 2013年 / 51卷 / 1-2期

关键词：

Correlations; Transient natural convection; Isothermal active wall; Thermal engineering; Parallelogrammic cavity; Finite volume method; CONSTANT HEAT-FLUX; SHAPED ENCLOSURE; CAVITIES; BANDS;

D O I：

10.1016/j.applthermaleng.2012.09.043

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Correlations of the type Nusselt Rayleigh Fourier are proposed to determine the convective exchanges that occur in transient regime in closed cavities of parallelogrammic section. They complement the correlations obtained in a previous work for steady state. The active vertical walls of these cavities are vertical, maintained isothermal and differentially heated, while the closing channel is adiabatic. This work covers a wide range of the Rayleigh number 1.84 x 10(5) <= Ra <= 1.70 x 10(9) and different angles of inclination ranging from -60 degrees to 60 degrees, enabling applications in several fields of engineering such as building, solar energy or power electronics. Correlations are obtained from numerical results based on the finite volume method and are validated by measurements. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：833 / 838

页数：6

共 16 条

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