The Performance Analysis of an Integrated CO2 Refrigeration System with Multi-Ejectors Installed in a Supermarket

被引：1
|
作者：
Soylemez, Engin [1 ]
Hafner, Armin [1 ]
Schlemminger, Christian [2 ]
Kriezi, Ekaterini E. [3 ]
Khorshidi, Vahid [3 ]
机构：
[1] Norwegian Univ Sci & Technol NTNU, Dept Energy & Proc Engn, Proc & Power Res Grp Trondheim, N-7491 Trondheim, Norway
[2] Sintef Energy Res, Dept Thermal Energy, N-7465 Trondheim, Norway
[3] RAC R&D Danfoss AS, Nordborgvej 81, DK-6430 Nordborg, Denmark
来源：
ENERGIES | 2022年 / 15卷 / 09期
基金：
欧盟地平线“2020”;
关键词：
R-744; integrated CO2; supermarket; transcritical; ejectors; power consumption; refrigeration; ENERGY ANALYSIS; CONFIGURATIONS;
D O I：
10.3390/en15093142
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The field data from an integrated CO2 refrigeration system installed in a supermarket located north of the capital of Lisbon was analyzed. The goal was to demonstrate the effect and performance of multi-ejectors on a refrigeration system operating in a warm climate. The measurement results for the system with and without activating ejectors were compared. It was observed that the system with a multi-ejector operation had considerable performance superiority. The ejectors improved the cooling capacity of the medium temperature stage of the system by 17.4%. The system with active ejectors had 7.5% less total power consumption compared to the ejector off mode of the same system.
引用
收藏
页数：16
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