Design and fabrication of a heating and cooling system using geothermal energy

2014 International Conference on Energy Systems and Policies (ICESP) Pub Date : 1900-01-01 DOI:10.1109/icesp.2014.7346982

H. Rashid

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引用次数: 2

Abstract

Ground-source heat pump systems are one of the promising new energy technologies that can be a sustainable solution for on-going energy crisis in Pakistan. The purpose of this study is to build a working model of geothermal space cooling & heating system for energy savings and demand reduction for residential, school and commercial building applications. For analysis purposes ground heat exchanger is prepared for extracting energy from ground along with a heat pump and energy is delivered to the environment for space heating in winter and vice versa in summer. To make it a complete working model, temperatures of the soil, time required in changing the temperature of the air in specified area and heat exchange through pipe and radiator, considering losses in pipe are being calculated. The suitable material for pipe has been selected considering ground heat transfer and economics for different pipe materials. The length of the pipe has been determined depending on the heating and cooling load. The effect of flow rate on heat exchange and the length of the pipe have also been studied and a relationship between the pipe length and the heat exchange has been formulated and presented.

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利用地热能的加热和冷却系统的设计和制造

地源热泵系统是一种很有前途的新能源技术，可以成为巴基斯坦持续能源危机的可持续解决方案。本研究的目的是为住宅、学校和商业建筑的节能降耗建立一个地热空间冷暖系统的工作模型。为了分析，我们准备了地面热交换器，与热泵一起从地面提取能量，冬季将能量输送到环境中用于空间供暖，夏季反之亦然。为了使其成为一个完整的工作模型，考虑管道损失，计算土壤温度、改变指定区域空气温度所需的时间以及通过管道和散热器的换热。考虑了不同管材的地热学和经济性，选择了合适的管材。管道的长度已根据加热和冷却负荷确定。本文还研究了流量对换热和管道长度的影响，并给出了管道长度与换热率的关系式。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 International Conference on Energy Systems and Policies (ICESP)

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