Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems

Mehmet ALTINKAYNAK, (Isparta Uygulamalı Bilimler Üniversitesi, Teknoloji Fakültesi, Makine Mühendisliği Bölümü, Isparta / TÜRKİYE)
Engin OLGUN, (Isparta Uygulamalı Bilimler Üniversitesi, Teknoloji Fakültesi, Makine Mühendisliği Bölümü, Isparta / TÜRKİYE)
Arzu ŞENCAN ŞAHİN (Isparta Uygulamalı Bilimler Üniversitesi, Teknoloji Fakültesi, Makine Mühendisliği Bölümü, Isparta / TÜRKİYE)
El-Cezerî Journal of Science and Engineering
3 1
Yıl: 2019 Cilt: 6 Sayı: 3 Sayfa Aralığı: 659 - 667 Metin Dili: İngilizce DOI: doi:10.31202/ecjse.565843 İndeks Tarihi: 19-12-2020

Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems

Öz:
One of the important parameters for cooling systems is the choice of refrigerant. Refrigerants used in cooling systems damage the atmosphere and cause global warming. For these reasons, alternative refrigerants which are not harmful to the environment and atmosphere have been used. In this study, the performance and exergy efficiency of R407C, R410A and R448A refrigerants which are alternative to R22 refrigerant in vapor compression refrigeration system were theoretically calculated. Engineering equation solver (EES) has been used for the thermodynamic analysis. The highest COP and exergy efficiency values were achieved in the system operating with refrigerant R22. The highest COP and exergy efficiency values after R22 fluid were determined in the system operating with R448A refrigerant. For different evaporator temperatures, the COP values of the R22 system vary between 2.7 and 2.81. The COP values of the R448A system vary between 2.5 and 2.63. The exergy efficiency of the system operating with R22 varies between %39.4 and %52.2. The exergy efficiency of the system operating with R448A varies between %36.6 and %48.8. R448A instead of R22 are found to be replacement refrigerants among other alternatives refrigerants as a result of the analysis.
Anahtar Kelime:

R22 ve Alternatifleri R407C, R410A ve R448A Soğutkanlarının Buhar Sıkıştırmalı Soğutma Sistemlerindeki Enerji ve Ekserji Performanslarının Karşılaştırmalı İncelenmesi

Öz:
Soğutma sistemleri için önemli parametrelerden biri soğutucu akışkanın seçimidir. Soğutma sistemlerinde kullanılan soğutucu akışkanlar atmosfere zarar vermekte ve küresel ısınmaya sebep olmaktadır. Bu sebeplerden dolayı, çevreye ve atmosfere zararı olmayan alternatif soğutucu akışkanlar kullanılmaya başlanmıştır. Bu çalışmada, R22 soğutucu akışkanına alternatif olan R407C, R410A ve R448A soğutucu akışkanlarının buhar sıkıştırmalı soğutma sistemindeki performansları ve ekserji verimleri teorik olarak hesaplanmıştır. Termodinamik analizler için Engineering Equation Solver (EES) programı kullanılmıştır. En yüksek COP ve ekserji verimi değerlerine R22 soğutkanı ile çalışan sistemde ulaşılmıştır. R22 akışkanından sonraki en yüksek COP ve ekserji verimleri R448A soğutucu akışkanı ile çalışan sistemde tespit edilmiştir. Farklı evaporatör sıcaklıkları için, R22 sisteminin COP değerleri 2.7 ile 2.81 arasında değişmektedir. R448A sisteminin COP değerleri 2.5 ile 2.63 arasında değişmektedir. R22 ile çalışan sistemin ekserji verimliliği % 39 ile % 52 arasında değişmektedir. R448A ile çalışan sistemin ekserji verimliliği % 36 ile% 48 arasında değişmektedir. Analizler sonucunda diğer alternatif soğutkanlar arasında R448 soğutkanının R22 soğutkanı yerine kullanılabileceği görülmüştür.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA ALTINKAYNAK M, Olgun E, Şencan Şahin A (2019). Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. , 659 - 667. doi:10.31202/ecjse.565843
Chicago ALTINKAYNAK MEHMET,Olgun Engin,Şencan Şahin Arzu Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. (2019): 659 - 667. doi:10.31202/ecjse.565843
MLA ALTINKAYNAK MEHMET,Olgun Engin,Şencan Şahin Arzu Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. , 2019, ss.659 - 667. doi:10.31202/ecjse.565843
AMA ALTINKAYNAK M,Olgun E,Şencan Şahin A Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. . 2019; 659 - 667. doi:10.31202/ecjse.565843
Vancouver ALTINKAYNAK M,Olgun E,Şencan Şahin A Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. . 2019; 659 - 667. doi:10.31202/ecjse.565843
IEEE ALTINKAYNAK M,Olgun E,Şencan Şahin A "Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems." , ss.659 - 667, 2019. doi:10.31202/ecjse.565843
ISNAD ALTINKAYNAK, MEHMET vd. "Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems". (2019), 659-667. https://doi.org/doi:10.31202/ecjse.565843
APA ALTINKAYNAK M, Olgun E, Şencan Şahin A (2019). Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. El-Cezerî Journal of Science and Engineering, 6(3), 659 - 667. doi:10.31202/ecjse.565843
Chicago ALTINKAYNAK MEHMET,Olgun Engin,Şencan Şahin Arzu Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. El-Cezerî Journal of Science and Engineering 6, no.3 (2019): 659 - 667. doi:10.31202/ecjse.565843
MLA ALTINKAYNAK MEHMET,Olgun Engin,Şencan Şahin Arzu Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. El-Cezerî Journal of Science and Engineering, vol.6, no.3, 2019, ss.659 - 667. doi:10.31202/ecjse.565843
AMA ALTINKAYNAK M,Olgun E,Şencan Şahin A Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. El-Cezerî Journal of Science and Engineering. 2019; 6(3): 659 - 667. doi:10.31202/ecjse.565843
Vancouver ALTINKAYNAK M,Olgun E,Şencan Şahin A Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems. El-Cezerî Journal of Science and Engineering. 2019; 6(3): 659 - 667. doi:10.31202/ecjse.565843
IEEE ALTINKAYNAK M,Olgun E,Şencan Şahin A "Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems." El-Cezerî Journal of Science and Engineering, 6, ss.659 - 667, 2019. doi:10.31202/ecjse.565843
ISNAD ALTINKAYNAK, MEHMET vd. "Comparative Evaluation of Energy and Exergy Performances of R22 and its Alternative R407C, R410A and R448A Refrigerants in Vapor Compression Refrigeration Systems". El-Cezerî Journal of Science and Engineering 6/3 (2019), 659-667. https://doi.org/doi:10.31202/ecjse.565843
Sayfa Oluşturulma Tarihi
23-04-2024 16:7

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