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| 楼宇冷热电联供系统的热经济性分析 |
| Thermo-economic analysis of a cooling, heating and power generation system for buildings |
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| DOI： |
| 中文关键词: 热经济性 Yong成本 成本分摊 作功能力法 热量法 |
| 英文关键词:thermo-economy,cost of unit amount of exergy,cost apportionment,workability method,calorific method |
| 基金项目: |
| 秦志红 刘凤强 曹家枞 |
东华大学环境科学与工程学院 上海200051
(秦志红，刘凤强)
，东华大学环境科学与工程学院 上海200051(曹家枞)
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| 中文摘要: |
| 在对一实际楼宇冷热电联供系统热力学分析的基础上，对该系统作了热经济性分析，将作功能力法和热量法相结合，结合系统的实际经济数据。对该系统的成本进行分摊，得出了夏季变工况运行条件下冷、热、电三种产品的单位Yong成本和单位能成本，并对其进行了分析比较．结果表明：当系统保持足够的负荷率时，这种系统具有经济上的竞争力；而补燃措施会给系统的Yong效率和经济性带来很大的不利影响． |
| 英文摘要: |
| A thermo-economic analysis of a gas turbine-based cooling, heating and power generation system for buildings was conducted in this paper, on the basis of a thermodynamic analysis of the system. With the workability and calorific methods, using operating data of the system, the costs of unit amount of exergy of cool, heat and electric power were calculated by apportioning the overall cost of the system among the cool, heat, and power. Discussions on the calculation results were carried out, which indicate that this type of BCHP system could be economically competitive if the system works at a sufficiently high load rate. In addition, the exergetic efficiency and efficient performance of the system may be greatly impaired by the supplementary firing. |
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