A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS

Oruç, Vedat; DEVECİOĞLU, Atilla G

A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS

Atilla G DEVECİOĞLU, (Dicle University Department of Mechanical Engineering, 21280 Diyarbakır, Turkey)

Vedat ORUÇ (Dicle Üniversitesi, Mühendislik Mimarlık Fakültesi, Makine Mühendisliği Bölümü, Diyarbakır, Türkiye)

Isı Bilimi ve Tekniği Dergisi

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Yıl: 2018 Cilt: 38 Sayı: 2 Sayfa Aralığı: 51 - 61 Metin Dili: İngilizce İndeks Tarihi: 24-05-2019

A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS

Öz:

In this study, the energy parameters (i.e., cooling capacity and COP) were theoretically investigated for three different vapour compression refrigeration system (basic cycle, basic cycle with liquid-to-suction heat exchanger and two-stage cascade cycle) for which R1234yf, R1234ze(E), R513A, R445A and R450A alternative refrigerants with low GWP value were used instead of R134a. The studied refrigerants demonstrated similar thermodynamic behaviour. The exergetic efficiency of the systems was also compared. The comparison of the energy parameters was carried out for two different evaporation temperatures (-30 and 0C) and two condensing temperatures (40 and 55C). According to the calculation results, R450A which almost has the same COP values as R134a comes into prominence with 58% lower GWP value compared to R134a. Among the studied refrigeration cycles, system with LSHEX can be suggested for providing a better effect in terms of COP for the considered refrigerants and temperature cases as well as assumed system parameters. It was seen for the investigated cycles that the highest exergetic efficiency could be obtained in the case of R445A.

Anahtar Kelime:

Konular: Mühendislik, Makine Termodinamik Mühendislik, Kimya Mühendislik, Hava ve Uzay

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	DEVECİOĞLU A, Oruç V (2018). A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. , 51 - 61.
Chicago	DEVECİOĞLU Atilla G,Oruç Vedat A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. (2018): 51 - 61.
MLA	DEVECİOĞLU Atilla G,Oruç Vedat A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. , 2018, ss.51 - 61.
AMA	DEVECİOĞLU A,Oruç V A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. . 2018; 51 - 61.
Vancouver	DEVECİOĞLU A,Oruç V A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. . 2018; 51 - 61.
IEEE	DEVECİOĞLU A,Oruç V "A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS." , ss.51 - 61, 2018.
ISNAD	DEVECİOĞLU, Atilla G - Oruç, Vedat. "A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS". (2018), 51-61.

APA	DEVECİOĞLU A, Oruç V (2018). A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. Isı Bilimi ve Tekniği Dergisi, 38(2), 51 - 61.
Chicago	DEVECİOĞLU Atilla G,Oruç Vedat A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. Isı Bilimi ve Tekniği Dergisi 38, no.2 (2018): 51 - 61.
MLA	DEVECİOĞLU Atilla G,Oruç Vedat A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. Isı Bilimi ve Tekniği Dergisi, vol.38, no.2, 2018, ss.51 - 61.
AMA	DEVECİOĞLU A,Oruç V A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. Isı Bilimi ve Tekniği Dergisi. 2018; 38(2): 51 - 61.
Vancouver	DEVECİOĞLU A,Oruç V A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS. Isı Bilimi ve Tekniği Dergisi. 2018; 38(2): 51 - 61.
IEEE	DEVECİOĞLU A,Oruç V "A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS." Isı Bilimi ve Tekniği Dergisi, 38, ss.51 - 61, 2018.
ISNAD	DEVECİOĞLU, Atilla G - Oruç, Vedat. "A COMPARATIVE ENERGETIC ANALYSIS FOR SOME LOW-GWP REFRIGERANTS AS R134a REPLACEMENTS IN VARIOUS VAPOR COMPRESSION REFRIGERATION SYSTEMS". Isı Bilimi ve Tekniği Dergisi 38/2 (2018), 51-61.