黎巴嫩建筑太阳能热水系统的参数分析

2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) Pub Date : 2018-11-01 DOI:10.1109/REDEC.2018.8597787

Rayan Mourtada, Z. Nakad, Alaa Hamadi, Khaled Al Hussein, Houssam Ajouz

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引用次数: 1

摘要

在黎巴嫩，用于家庭热水生产的太阳能热水器(SWH)可以利用来自太阳的“免费能源”降低年度运营成本。太阳能热水系统是瞬态的，其性能取决于动态参数。利用SimSol和Solo软件进行了瞬态系统仿真，以评估不同天气文件和组件参数下太阳能热水器的性能。在第一步中，分析是基于由建筑科学技术中心执行的生活热水需求的定义。然后，对集中式和单个SWH的16个单分量参数变化进行了分析。结果表明，不同的参数可以增加太阳能的吸收，减少系统部件的热损失。根据黎巴嫩的天气情况，对这些参数的影响进行了量化。并给出了太阳能生活热水系统的简化尺寸计算方法。最后，根据模拟结果提出了黎巴嫩能源建筑规范中热水章节的要求，作为最低能源效率措施，证明了这一努力的目的。

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Parametric Analysis of Solar Water Heating Systems for Buildings in Lebanon

Solar water heater (SWH) for Domestic Hot Water production can reduce annual operating costs using "free energy" from the sun in Lebanon. Solar water heating system is transient in nature and its performance depends on dynamic parameters. Transient system simulations using SimSol and Solo softwares are done in order to assess the performance of the solar water heater for different weather files and component parameters. In a first step, the analysis was based on a definition of Domestic Hot Water demands performed by the scientific and technical center for building . Afterwards, 16 single component parametric variations for Centralized and Individual SWH are performed and analyzed. The results showed that the different parameters may increase the solar gain energy and reduce the heat losses through the system components. Impacts of these parameters are quantified for weather conditions in Lebanon. A simplified sizing procedure for solar domestic hot water systems is also presented. Finally, Requirements for the Chapter Hot Water of the Lebanese Energy Building Code are proposed based on the simulation results as a minimum energy efficiency measures which demonstrate the purpose of this endeavor.

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来源期刊

2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)

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