Energy and Cost Performance of a Cooling Plant System with Indirect Seawater Utilization for Air-Conditioning in a Commercial Building

IF 1.6 4区工程技术 0 ARCHITECTURE Journal of Asian Architecture and Building Engineering Pub Date : 2003-05-01 DOI:10.3130/jaabe.2.67

Y. Akashi, Toshiyuki Watanabe

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引用次数: 2

Abstract

This paper presents energy and cost performance of a cooling plant system with indirect seawater utilization for air-conditioning in a commercial building. The energy and cost performance is verified by direct measurement and a model-based simulation analysis. In the simulation, the indirect seawater utilization system is compared with a cooling tower system, an air source heat pump chiller system and a direct seawater utilization system. The electric energy consumption of the indirect seawater utilization system is almost the same as the other systems except the air source heat pump chiller system, because using lower seawater temperature can make the efficiency of the refrigerating machine higher, but this system also needs electric energy for cooling seawater/freshwater pumps. However, the indirect seawater utilization system can largely reduce demand charge compared with the cooling tower system, and cut down initial and maintenance costs compared with the direct seawater utilization system. Using these results, the effectiveness of the indirect seawater utilization system toward environmental conservation, energy and cost reduction is clarified in this paper.

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某商业建筑海水间接利用空调制冷系统的能源与性价比

本文介绍了一种海水间接利用的商业建筑空调冷却装置系统的能源性能和性价比。通过直接测量和基于模型的仿真分析，验证了该系统的能源和成本性能。在仿真中，将海水间接利用系统与冷却塔系统、空气源热泵冷水机组系统和海水直接利用系统进行了比较。除空气源热泵冷水机系统外，海水间接利用系统的电能消耗与其他系统几乎相同，因为使用较低的海水温度可以使制冷机的效率更高，但该系统也需要电能来冷却海水/淡水泵。但是，与冷却塔系统相比，海水间接利用系统可以大大降低需求费用，与海水直接利用系统相比，可以降低初始成本和维护成本。利用这些结果，阐明了海水间接利用系统在环保、节能和降低成本方面的有效性。

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来源期刊

Journal of Asian Architecture and Building Engineering 工程技术-结构与建筑技术

CiteScore

2.20

自引率

15.40%

发文量

127

审稿时长

9 months

期刊介绍： Journal of Asian Architecture and Building Engineering is a refereed international Open Access journal, serving researchers in academic and research organizations and all practitioners in the building sector. The journal is jointly-edited by the Architectural Institute of Japan (AIJ), the Architectural Institute of Korea (AIK), and the Architectural Society of China (ASC) and published bi-monthly. Asian academics and professionals have made efforts to find solutions to the themes derived from natural, geographical, socio-economical and cultural conditions in Asia. Their achievements have contributed to the evolution of research in the field of architecture and building engineering. For instance, achievements in structural engineering have contributed to the world by developing technology to assure safety of buildings in earthquake-prone areas. Asia has the largest share of the world''s population with high densities in urban areas. It is a growing and the most energetic region in terms of building activities, which produces valuable empirical knowledge and lessons to architects and building engineers in Asia. It is quite significant to contribute to global architecture and building engineering by presenting the knowledge and lessons beyond linguistic barriers. By publishing the journal in English, it is expected that Asian wisdom and experience will be disseminated to the world. In the countries where these institutions are based, building professions can enjoy the collaborative and holistic approach because the three institutions distinctively possess the whole range of expertise relating to architecture and building engineering.