ASSESMENT OF REFRIGERANT SELECTION FOR EJECTION SYSTEM DRIVEN BY LOW-GRADE HEAT

被引：0

作者：

Smierciew, Kamil ^{[1
]}

Kedzierski, Mateusz ^{[2
]}

Butrymowicz, Dariusz ^{[1
]}

Gagan, Jerzy ^{[1
]}

机构：

[1] Bialystok Tech Univ, Wiejska 45C, PL-15351 Bialystok, Poland

[2] Marine Projects Ltd, Sienna 45, PL-80605 Gdansk, Poland

来源：

9TH INTERNATIONAL CONFERENCE ON COMPRESSORS AND COOLANTS | 2017年

关键词：

ejection refrigeration system; fluid selection; HFO refrigerants; COP; COOLING-SYSTEM;

D O I：

10.18462/iir.compr.2017.0245

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Selection of the working fluid for the refrigeration and solar air-conditioning systems is the crucial problem because of the strong influence of the thermodynamic properties on the system efficiency. Moreover, the working fluids should fulfil the environmental criteria such as zero ODP (Ozone Depletion Potential) and as low GWP (Greenhouse Warming Potential) as possible. Therefore the natural fluids or new synthetic fluids are thought as the best option. The paper deals with theoretical analysis of operation of the ejection refrigeration systems driven by low grade heat. The aim of the paper is comparison of the operating parameters of the system for isobutane as a natural refrigerant with other popular in air-conditioning systems refrigerants such as R134a, and one of the most promising fluid from HFO group, i.e. HFO-1234. Three types of HFO-1234 have been investigated: 1234yf, 1234ze(E), and 1234ze(Z).

引用

页码：17 / 24

页数：8

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