Experimental assessment of R134a and its lower GWP alternative R513A

被引：91

作者：

Mota-Babiloni, Adrian ^{[1
,2
,3
]}

Makhnatch, Pavel ^{[2
]}

Khodabandeh, Rahmatollah ^{[2
]}

Navarro-Esbri, Joaquin ^{[3
]}

机构：

[1] Univ Politecn Valencia, Inst Ind Radiophys & Environm Safety ISIRYM, Camino Vera S-N, E-46022 Valencia, Spain

[2] Royal Inst Technol KTH, Dept Energy Technol, Div Appl Thermodynam & Refrigerat, Brinellvagen 68, SE-10044 Stockholm, Sweden

[3] Univ Jaume 1, Dept Mech Engn & Construct, ISTENER Res Grp, Campus Riu Sec S-N, E-12071 Castellon De La Plana, Spain

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION | 2017年 / 74卷

关键词：

Refrigeration system; HFO/HFC mixtures; Drop-in replacement; Global warming potential; Energy efficiency; Climate change; VAPOR COMPRESSION SYSTEM; REFRIGERATION; MIXTURES; R450A; R1234ZE(E); R-1234YF;

D O I：

10.1016/j.ijrefrig.2016.11.021

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Lower GWP refrigerants are essential to mitigate the impact of refrigeration systems on climate change. HFO/HFC mixtures are currently considered to replace HFCs in refrigeration and air conditioning systems. The aim of this paper is to present the main operating and performance differences between R513A (GWP Of 573) and R134a (GWP of 1300), the most used refrigerants for medium evaporation temperature refrigeration systems and mobile air conditioners. To perform the experimental comparison, 36 tests are carried out with each refrigerant at evaporating temperatures between -15 and 12.5 degrees C and condensing temperatures between 25 and 35 degrees C. The conclusion of the experimental comparison is that R513A can substitute R134a with only a thermostatic expansion valve adjustment, achieving better performance and higher cooling capacity. The discharge temperature of R513A is always lower than that of R134a. (C) 2016 Elsevier Ltd and IIR. All rights reserved.

引用

页码：682 / 688

页数：7

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