| 天然气重整SOFC/MGT混合分布式供能系统性能分析 |
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| 引用本文： | 党政,赵华,席光. 天然气重整SOFC/MGT混合分布式供能系统性能分析[J]. 太阳能学报, 2011, 32(6): 941-946 |
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| 作者姓名： | 党政 赵华 席光 |
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| 作者单位： | 1. 西安交通大学建筑环境与设备工程系,西安,710049
2. 西安交通大学流体机械及压缩机国家工程研究中心,西安,710049 |
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| 基金项目： | 国家自然科学基金(50976092)；教育部留学回国人员科研启动基金2008 |
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| 摘 要： | 针对固体氧化物燃料电池(SOFC)与微型燃气轮机(MGT)构成的混合分布式供能系统,首先建立了一种管式SOFC准二维数值模型,优化了辐射计算,提高了热传递模型的准确性;考虑了CO及H2同时作为燃料参加电化学反应,并完善了损失计算模型;最后采用所发展的系统性能预测模型,分别在内部重整和外部重整情况下,预测比较了两种SOFC/MGT混合系统的性能,结果表明外部重整系统在系统输出功率、CO2排放以及热应力分布方面都比内部重整系统具有优势,然而这种轻微的优势是需要额外增加外部重整器的设备投资换取的。
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| 关 键 词： | 固体氧化物燃料电池 分布式能源系统 内部重整 外部重整 性能分析 |
PERFORMANCE ANALYSIS FOR NATURAL GAS REFORMING SOFC/MGT HYBRID DISTRIBUTED ENERGY SYSTEM |
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| Dang Zheng,Zhao Hua,Xi Guang. PERFORMANCE ANALYSIS FOR NATURAL GAS REFORMING SOFC/MGT HYBRID DISTRIBUTED ENERGY SYSTEM[J]. Acta Energiae Solaris Sinica, 2011, 32(6): 941-946 |
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| Authors: | Dang Zheng Zhao Hua Xi Guang |
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| Affiliation: | Dang Zheng1,Zhao Hua1,Xi Guang2(1.Dept.of Building Environment and Equipment Engineering,Xi'an Jiaotong University,Xi'an 710049,China,2.National Engineering Research Center of Fluid Machinery and Compressors,China) |
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| Abstract: | In a SOFC/MGT hybrid distributed energy system,the mode of internal reforming or external reforming(pre-reforming) will influence the distribution of fuel species and temperature in electrochemical reactions,and even the performance of SOFC and SOFC/MGT hybrid system.In this paper,A quasi-2 dimensional model was proposed for tubular SOFC fueled with natural gas,in which,the calculation for radiation was optimized to improve the predicting accuracy for heat transfer;both CO and H2 were considered as fuel in ... |
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| Keywords: | solid oxide fuel cell distributed energy system internal reforming external reforming performance analysis |
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