Exergy analysis of thermal energy storage in a district energy application

被引：62
|
作者：
Rezaie, Behnaz [1 ]
Reddy, Bale V. [1 ]
Rosen, Marc A. [1 ]
机构：
[1] Univ Ontario, Inst Technol, Fac Engn & Appl Sci, Oshawa, ON L1H 7K4, Canada
来源：
RENEWABLE ENERGY | 2015年 / 74卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Thermal energy storage; District energy; Solar energy; Exergy; Friedrichshafen district heating system;
D O I：
10.1016/j.renene.2014.09.014
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The role of thermal energy storage (TES) in district energy (DE) system is assessed. The Friedrichshafen DE system is considered as a case study and exergy analysis is utilized. The TES is designed to complement and to increase the effectiveness of the solar panels included in the district energy system. The TES stores the surplus solar energy until is needed by thermal energy users of the Friedrichshafen DE system. The results quantify the positive impact of the TES on the performance of the Friedrichshafen DE system, and demonstrate that the overall energy and exergy efficiencies of the TES are 60% and 19%, respectively. It is also shown over an annual period that the temperature, energy, exergy and energy efficiency of the TES exhibit similar trends and that the TES exergy accumulation and exergy efficiency exhibit similar trends. Crown Copyright (C) 2014 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：848 / 854
页数：7
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