Enhancing the thermal performance of an agricultural solar greenhouse by geothermal energy using an earth-air heat exchanger system: A review

IF 3.5 2区工程技术 Q3 ENERGY & FUELS Geothermics Pub Date : 2024-07-17 DOI:10.1016/j.geothermics.2024.103115

Nabeel S. Dhaidan , Wisam A.M. Al-Shohani , Hawraa H. Abbas , Farhan Lafta Rashid , Arman Ameen , Fadhel N. Al-Mousawi , Raad Z. Homod

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Abstract

In recent years, yearly climatic changes, continuous temperature increases, and the impact of global environmental change have seriously affected agricultural production. The solar greenhouse (SG) system is designed to maintain suitable temperatures and humidity levels for cultivating plants. For this purpose, an earth-to-air heat exchanger (EAHE) can be coupled with the SG to provide the necessary heating and cooling required to maintain suitable conditions for vegetation. This review presents a comprehensive literature survey on SG-EAHE systems. The thermal characteristics of heating and cooling modes are presented for SG-EAHE systems. Reports indicate that integrating EAHE with the SG can meet the heating and cooling needs of the SG while significantly reducing water consumption. The design parameters of EAHE, such as configuration, pipe diameter, pipe length, and buried depth, can affect the performance of SG-EAHE systems. Additionally, integrating photovoltaic (PV) and photovoltaic/thermal (PVT) systems with SG-EAHE systems was discussed. Moreover, the challenges and prospective aspects of SG-EAHE systems were identified.

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利用地-空气热交换器系统，通过地热能提高农业日光温室的热性能：综述

近年来，气候逐年变化、温度持续上升以及全球环境变化的影响严重影响了农业生产。太阳能温室（SG）系统旨在保持适宜的温度和湿度水平，以培育植物。为此，可将土-空气热交换器（EAHE）与太阳能温室结合起来，提供必要的加热和冷却，以维持植物生长所需的适宜条件。本综述对 SG-EAHE 系统进行了全面的文献调查。文中介绍了 SG-EAHE 系统加热和冷却模式的热特性。报告显示，将 EAHE 与 SG 集成可满足 SG 的加热和冷却需求，同时大幅降低耗水量。EAHE 的设计参数（如配置、管道直径、管道长度和埋设深度）会影响 SG-EAHE 系统的性能。此外，还讨论了将光伏（PV）和光伏/热（PVT）系统与 SG-EAHE 系统集成的问题。此外，还确定了 SG-EAHE 系统面临的挑战和前景。

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来源期刊

Geothermics 工程技术-地球科学综合

CiteScore

7.70

自引率

15.40%

发文量

237

审稿时长

4.5 months

期刊介绍： Geothermics is an international journal devoted to the research and development of geothermal energy. The International Board of Editors of Geothermics, which comprises specialists in the various aspects of geothermal resources, exploration and development, guarantees the balanced, comprehensive view of scientific and technological developments in this promising energy field. It promulgates the state of the art and science of geothermal energy, its exploration and exploitation through a regular exchange of information from all parts of the world. The journal publishes articles dealing with the theory, exploration techniques and all aspects of the utilization of geothermal resources. Geothermics serves as the scientific house, or exchange medium, through which the growing community of geothermal specialists can provide and receive information.