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Investigation on hybrid system design of renewable cooling for office building in hot and humid climate

机译：湿热气候下办公楼可再生制冷混合系统设计研究

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摘要

In this study, a hybrid renewable cooling system (HRCS) is proposed for office building application by utilizing both the solar energy and the ground source. With the basis of solar absorption cooling, part of the building sensible cooling load was shared by the ground-source radiant cooling. Although the solar absorption cooling system or the ground source heat pump system has been individually proven energy-efficient, the area of solar collectors or size of borehole field would be limited by the available space for accommodation. In this regard, the system performance through joint contribution of renewable energy sources was investigated for building air-conditioning purpose. In the HRCS, appropriate design and operation between the ground-source radiant cooling and the solar absorption cooling was worked out. Through year-round dynamic simulation, it was found that the HRCS could have 43.8%, 53.3%, and 68.0% primary energy saving when compared to the sole ground-source heat pump system, the sole solar absorption cooling system, and the conventional vapour compression air-conditioning system, respectively. This demonstrates the merit of hybrid utilization of solar energy and ground source, and the strategy of renewable cooling is robust for sustainable air-conditioning and green building design in hot and humid climate.
机译：在这项研究中，提出了一种混合可再生制冷系统（HRCS），该系统通过利用太阳能和地面资源同时用于办公大楼。在吸收太阳能的基础上，建筑物的显着制冷负荷由地源辐射制冷分担。尽管太阳能吸收式冷却系统或地源热泵系统已被单独证明是节能的，但太阳能收集器的面积或井眼区域的大小将受到可容纳空间的限制。在这方面，对可再生能源共同贡献的系统性能进行了研究，以用于建筑空调。在HRCS中，制定了地源辐射冷却和太阳吸收冷却之间的适当设计和操作。通过全年的动态模拟，发现与单独的地源热泵系统，唯一的太阳能吸收冷却系统和常规蒸汽相比，HRCS可以节省43.8％，53.3％和68.0％的一次能源。压缩空调系统。这证明了太阳能和地源混合利用的优点，可再生制冷的策略对于在炎热潮湿的气候中进行可持续的空调和绿色建筑设计具有很强的鲁棒性。

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  • 来源
    《Energy and Buildings》 |2014年第6期|1-9|共9页
  • 作者

    K.F. Fong; C.K. Lee;

  • 作者单位

    Division of Building Science and Technology, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;

    Division of Building Science and Technology, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Air-conditioning; ground source; hybrid system; renewable cooling; solar energy;

    机译：空调;地面源混合动力系统可再生冷却太阳能;

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