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首页> 外文期刊>International journal of green energy >Effect of different design aspects of pipe for earth air tunnel heat exchanger system: A state of art
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Effect of different design aspects of pipe for earth air tunnel heat exchanger system: A state of art

机译：地球空气隧道热交换器系统管道的不同设计方面的影响：最新技术

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摘要

Earth air tunnel heat exchanger (EATHE) is a promising passive technique to provide thermal comfort condition in buildings. EATHE system uses undisturbed temperature of the ground for heating/cooling of air. Despite the several advantages, this technique has not become much popular owing to its high capital cost (mainly pipe cost and trench excavation cost) and large land area requirements. The primary objective of this study is to present a comprehensive review of different EATHE pipe layouts, pipe properties and positioning of the pipe with their advantages and limitations. It is observed that the ring pipe layout is the most cost-effective pipe-layout for small size EATHE system because it saves excavation cost by using a trench of the existing foundation of the building. However, Grid pipe-layout is an ideal layout for a large size EATHE system. Multi-layer pipe layouts should be used to reduce the land area requirement significantly. Moreover, EATHE system can be installed beneath the building (under building foot-print) to eliminate extra land area requirement for the installation of EATHE system. This review article shows that the Initial capital cost and land area requirement for the EATHE system can be substantially reduced by using appropriate pipe layout. It can be concluded that if EATHE system is installed with proper design strategies, it will be a clean and cost-effective method for building heating/cooling with significant power savings.
机译：地球空气隧道热交换器（EATHE）是一种有前途的被动技术，可为建筑物提供热舒适条件。 EATHE系统使用不受干扰的地面温度来加热/冷却空​​气。尽管有许多优点，但由于其高昂的资本成本（主要是管道成本和沟槽开挖成本）和较大的土地面积要求，该技术尚未广受欢迎。这项研究的主要目的是对不同的EATHE管道布局，管道特性和管道位置及其优点和局限性进行全面的综述。可以看出，环形管道布局是小尺寸EATHE系统中最具成本效益的管道布局，因为它可以通过使用建筑物现有基础的沟槽来节省开挖成本。但是，网格管道布局是大型EATHE系统的理想布局。应该使用多层管道布局以显着减少占地面积。此外，可以将EATHE系统安装在建筑物下方（建筑物底部），以消除安装EATHE系统所需的额外土地面积。这篇评论文章表明，通过使用适当的管道布局，可以大大减少EATHE系统的初始资金成本和占地面积。可以得出的结论是，如果以适当的设计策略安装EATHE系统，它将是一种节省能源的清洁，经济的建筑采暖/制冷方法。

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