Performance analysis of a two-stage mechanical compression-ejector cooling cycle intended for micro-trigeneration system

被引：3

作者：

Chen, Guangming ^{[1
]}

Volovyk, Oleksii ^{[1
,2
]}

Ierin, Volodymyr ^{[2
]}

Shestopalov, Kostyantyn ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Ningbo Inst Technol, 1 QuianHu South Rd, Ningbo 315100, Zhejiang, Peoples R China

[2] Odessa Natl Acad Food Technol, Ejector Refrigerat Technol Ctr, 112 Kanatnaya St, UA-65039 Odessa, Ukraine

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2017年 / 81卷

关键词：

Trigeneration; Two-stage cooling cycle; Ejector; Compressor; Ammonia; LOW-GRADE HEAT; REFRIGERATION CYCLES; THEORETICAL-ANALYSIS; AMMONIA; DESIGN; PUMP; R245FA;

D O I：

10.1016/j.ijrefrig.2017.05.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper provides the results of a performance analysis of a two-stage mechanical compression-ejector cooling cycle. In the proposed cooling system the compression process is realized in two stages: by a mechanical compressor as the first stage and by an ejector as the second stage. Ammonia (R717) is investigated as the working fluid for the cooling system in the present study. The influence of the middle pressure, and evaporating and condensing temperatures on the characteristics of the cooling system is analyzed. Based on the obtained results a pilot small-scale two-stage refrigeration unit with cooling capacity of 10 kW intended for application in micro-trigeneration systems is designed. (C) 2017 Elsevier Ltd and IIR. All rights reserved.

引用

页码：33 / 40

页数：8

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