Analysis of thermal and dynamic comportment of a geothermal vertical U-tube heat exchanger

被引：38

作者：

Bouhacina, Benamar ^{[1
]}

Saim, Rachid ^{[1
]}

Benzenine, Hamidou ^{[2
]}

Oztop, Hakan F. ^{[3
]}

机构：

[1] Abou Bakr Belkaid Univ, Fac Technol, Energet & Appl Thermal Lab ETAP, Tilimsen 13000, Algeria

[2] Sci & Technol Univ USTO, Fac Mech Engn, Dept Mech Engn, El Mnaouar Oran, Algeria

[3] Firat Univ, Fac Technol, Dept Mech Engn, TR-23119 Elazig, Turkey

来源：

ENERGY AND BUILDINGS | 2013年 / 58卷

关键词：

Borehole temperature field; Numerical simulation; Thermal storage; U-vertical heat exchanger; MODEL; SIMULATION;

D O I：

10.1016/j.enbuild.2012.11.037

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents a computational analysis on the turbulent flow and heat transfer for water flowing in a geothermal vertical U-tube heat exchanger (GHE). The governing equations, based on the k-epsilon model used to describe the turbulence phenomena, are solved by using finite volume method. The velocity and pressure terms of momentum equations are solved with SIMPLEC algorithm. The simulation of the dynamic and thermal behavior of the geothermal vertical U-tube heat exchanger was carried out under Fluent software. Results are compared with recent work from the literature and good agreement is obtained. The evolution of temperature and the heat transfer according to time (700h) and position, have been fixed, as well as the influence of fluid flow on the dynamic and thermal behavior of the heat exchanger. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：37 / 43

页数：7

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