Vacuum tube window technology for highly insulating building fabric: An experimental and numerical investigation

被引：46

作者：

Cuce, Erdem ^{[1
]}

Riffat, Saffa B. ^{[1
]}

机构：

[1] Univ Nottingham, Dept Architecture & Built Environm, Fac Engn, Nottingham NG7 2RD, England

来源：

VACUUM | 2015年 / 111卷

关键词：

Low-carbon buildings; Energy-efficient glazing; Vacuum tube window; U-value; THERMAL SUPERINSULATION; ENERGY; PERFORMANCE;

D O I：

10.1016/j.vacuum.2014.10.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel vacuum tube window technology is introduced, and its thermal performance efficiency is both experimentally and numerically investigated. Heat transfer inside the window is modelled via a reliable commercial computational fluid dynamics software ANSYS FLUENT. For various vacuum tube diameters (28, 50, 70 and 80 mm), an excellent accordance is observed between experimental and numerical data. The U-value of vacuum tube window is determined for different values of design parameters such as pane thickness, tube thickness, tube diameter and argon gap. As a consequence of thermal performance characteristics, cost, lightness and aesthetic issues, the optimum vacuum tube diameter is found to be 60 mm. It is concluded from the results that the vacuum tube window technology has a U-value below 0.40 W/m(2) K, which corresponds to five times better thermal insulation performance than commercial argon filled double glazed windows with low-e. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：83 / 91

页数：9

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