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首页> 外文期刊>Energy Conversion & Management >Thermodynamic modeling of a novel solar powered quad generation system to meet electrical and thermal loads of residential building and syngas production
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Thermodynamic modeling of a novel solar powered quad generation system to meet electrical and thermal loads of residential building and syngas production

机译：新型太阳能四联发电系统的热力学建模，可满足住宅建筑和合成气生产的电气和热负荷

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This work deals with the proposal and thermodynamic modeling of an integrated solar powered energy system for residential building application. The main components of the system are: (i) A parabolic trough solar collector, (ii) An organic Rankine cycle driven by the collected solar energy and producing electricity, (iii) An electrolyzer unit producing hydrogen from the inlet water, (iv) A methanation unit producing methane from produced hydrogen and captured carbon dioxide, (v) A cooling/heat pump unit to supply the needs of the residential building, and (vi) A domestic hot water production system. A typical residential construction and data of the Bandar Abbas city, Iran, are considered in the simulations. Energy analysis includes evaluation of the number of 6 (parabolic trough solar collector + organic Rankine cycle) units as required to meet the energy needs. Results include the monthly averaged energy and exergy efficiencies, exergy destruction rates, and energy production and consumption of some components. Results include also the monthly averaged energy and exergy efficiencies of the integrated energy system. Apart from the results' dependence on the particular data considered, they clearly show that increasing complexity of the system, with the electrolyzer and the methanation units, increases the integrated system's efficiency. When comparing with its simpler configuration including only the organic Rankine cycle but not those units, energy efficiency increases from 6.0% to 8.3% (38% energy efficiency increase). Results show that the proposed integrated energy system is a viable solution when searching for higher efficiency residential buildings energy systems. Results also show that the adequate integration is the way to increase the overall energy and exergy efficiencies of the energy systems.
机译：这项工作涉及住宅建筑应用的集成太阳能系统的建议和热力学建模。该系统的主要组件是：（i）抛物槽式太阳能集热器；（ii）由收集的太阳能驱动并产生电能的有机朗肯循环；（iii）电解池单元从进水中产生氢气；（iv）甲烷化单元由产生的氢气和捕获的二氧化碳生产甲烷，（v）满足住宅建筑需求的冷却/热泵单元，以及（vi）家用热水生产系统。模拟中考虑了伊朗阿巴斯市的典型住宅建设和数据。能源分析包括评估满足能源需求所需的6个（抛物槽太阳能收集器+有机朗肯循环）单位的数量。结果包括每月平均能源和火用效率，火用破坏率以及某些组件的能源生产和消耗。结果还包括综合能源系统的每月平均能源和火用效率。除了结果依赖于所考虑的特定数据外，它们还清楚地表明，随着电解器和甲烷化单元的使用，系统的复杂性不断提高，从而提高了集成系统的效率。与仅包括有机朗肯循环而不包括那些单位的较简单配置进行比较时，能源效率从6.0％提高到8.3％（能源效率提高38％）。结果表明，在寻找更高效率的住宅建筑能源系统时，提出的集成能源系统是可行的解决方案。结果还表明，充分整合是提高能源系统整体能源和火用效率的途径。

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