Integration of CO2 refrigeration and trigeneration systems for energy and GHG emission savings in supermarkets

被引：24
|
作者：
Suamir, I. N. [1 ]
Tassou, S. A. [1 ]
Marriott, D. [1 ]
机构：
[1] Brunel Univ, Sch Engn & Design, Uxbridge UB8 3PH, Middx, England
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2012年 / 35卷 / 02期
关键词：
Trigeneration; Refrigeration system; Carbon dioxide; Greenhouse gas emissions; Energy saving; Payback period;
D O I：
10.1016/j.ijrefrig.2011.10.008
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The environmental impact of supermarkets is significant not only because of the indirect effect from CO2 emissions at the power stations but also due to the direct effect arising from refrigerant leakage to the atmosphere. One approach through which the overall energy efficiency can be increased and the environmental impacts reduced, is through the integration of CO2 refrigeration and trigeneration systems where the refrigeration generated by the trigeneration system is used to condense the CO2 refrigerant in a cascade arrangement. This paper reports on experimental and theoretical investigations of such a system and its potential application in a supermarket. The results show that the system can offer energy savings of 30%, greenhouse gas emission savings of 43% and a payback period of just over 3 years compared to conventional systems. (C) 2011 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：407 / 417
页数：11
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