Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a

KOLIP, Ahmet; HOSOZ, Murat; ALKAN, ALPASLAN

doi:10.18186/thermal.978014

Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a

Alpaslan ALKAN, (Makina Mühendisliği Bölümü, Sakarya Uygulamalı Bilimler Üniversitesi, Sakarya, Türkiye)

Ahmet KOLIP, (Makina Mühendisliği Bölümü, Sakarya Uygulamalı Bilimler Üniversitesi, Sakarya, Türkiye)

Murat HOSOZ (Otomotiv Mühendisliği Bölümü, Kocaeli Üniversitesi, Kocaeli, Türkiye)

Journal of Thermal Engineering

11 0

Yıl: 2021 Cilt: 7 Sayı: 5 Sayfa Aralığı: 1163 - 1173 Metin Dili: İngilizce DOI: 10.18186/thermal.978014 İndeks Tarihi: 18-10-2021

Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a

Öz:

In this study, the energetic and exergetic performance merits of an automotive air conditioning (AAC) system using R134a and R1234yf have been investigated. For this aim, a laboratoryAAC system was developed and equipped with devices for mechanical measurements. Therefrigeration circuit of the system mainly had an evaporator, condenser, liquid receiver, fixedcapacity compressor, and thermostatic expansion valve. The tests were performed by changingthe compressor speed and air stream temperatures incoming the condenser and evaporator.Based on energy and exergy analysis, various performance parameters of the AAC systemfor both refrigerants were determined and presented in comparative graphics. It was foundthat R1234yf resulted in 0.4–10.9% lower refrigeration capacity, 5.5–11.6% lower COP, and4.7–16.1°C lower compressor discharge temperature, while yielding 9.3–22.3% higher refrigerant mass flow rate and 1.1–3.5°C higher conditioned airstream temperature in comparisonto R134a. Moreover, the components of the R1234yf system usually destructed more exergy,and the total exergy destruction rate per unit refrigeration capacity of the R1234yf system was4.1–15.3% greater than that of the R134a one.

Anahtar Kelime:

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

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APA	ALKAN A, KOLIP A, HOSOZ M (2021). Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. , 1163 - 1173. 10.18186/thermal.978014
Chicago	ALKAN ALPASLAN,KOLIP Ahmet,HOSOZ Murat Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. (2021): 1163 - 1173. 10.18186/thermal.978014
MLA	ALKAN ALPASLAN,KOLIP Ahmet,HOSOZ Murat Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. , 2021, ss.1163 - 1173. 10.18186/thermal.978014
AMA	ALKAN A,KOLIP A,HOSOZ M Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. . 2021; 1163 - 1173. 10.18186/thermal.978014
Vancouver	ALKAN A,KOLIP A,HOSOZ M Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. . 2021; 1163 - 1173. 10.18186/thermal.978014
IEEE	ALKAN A,KOLIP A,HOSOZ M "Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a." , ss.1163 - 1173, 2021. 10.18186/thermal.978014
ISNAD	ALKAN, ALPASLAN vd. "Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a". (2021), 1163-1173. https://doi.org/10.18186/thermal.978014

APA	ALKAN A, KOLIP A, HOSOZ M (2021). Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. Journal of Thermal Engineering, 7(5), 1163 - 1173. 10.18186/thermal.978014
Chicago	ALKAN ALPASLAN,KOLIP Ahmet,HOSOZ Murat Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. Journal of Thermal Engineering 7, no.5 (2021): 1163 - 1173. 10.18186/thermal.978014
MLA	ALKAN ALPASLAN,KOLIP Ahmet,HOSOZ Murat Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. Journal of Thermal Engineering, vol.7, no.5, 2021, ss.1163 - 1173. 10.18186/thermal.978014
AMA	ALKAN A,KOLIP A,HOSOZ M Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. Journal of Thermal Engineering. 2021; 7(5): 1163 - 1173. 10.18186/thermal.978014
Vancouver	ALKAN A,KOLIP A,HOSOZ M Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a. Journal of Thermal Engineering. 2021; 7(5): 1163 - 1173. 10.18186/thermal.978014
IEEE	ALKAN A,KOLIP A,HOSOZ M "Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a." Journal of Thermal Engineering, 7, ss.1163 - 1173, 2021. 10.18186/thermal.978014
ISNAD	ALKAN, ALPASLAN vd. "Energetic and exergetic performance comparison of an experimental automotive air conditioning system using refrigerants R1234yf and R134a". Journal of Thermal Engineering 7/5 (2021), 1163-1173. https://doi.org/10.18186/thermal.978014