Computational analysis of the performance of ozone-friendly R22 alternative refrigerants in vapour compression air-conditioning systems

• Autorzy: Bolaji B. O. , Huan Z.
• Języki publikacji: EN

Abstrakty

EN

Performance of two ozone-friendly refrigerants (R410A and R419A) was investigated theoretically using computational thermodynamic analysis. The results obtained showed that the performance of R410A was very close to that of R22 in all the operating conditions. Both R22 and R410A performed better than R419A in terms of their COP and refrigerating effect. Compared with R22, the average COP and refrigerating effect of R419A are lower by 13.78 and 33.96%, respectively. Generally, R410A refrigerant has approximately the same performance with R22, therefore, it is considered as a good drop-in substitute for R22 in vapour compression air-conditioning system.

Słowa kluczowe

EN

refrigerants; air conditioning; ozone; refrigeration; air-conditioning systems; alternative refrigerant; computational analysis; refrigerating effects

PL

czynniki chłodnicze; klimatyzacja; ozon; chłodzenie; systemy klimatyzacyjne; alternatywny czynnik chłodniczy; analiza obliczeniowa; wydajność chłodnicza

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2012
• Tom: Vol. 38, nr 4
• Strony: 41--52
• Opis fizyczny: Bibliogr. 19 poz., tab., rys.

Twórcy

autor

Bolaji B. O.

• Department of Mechanical Engineering, Faculty of Engineering and Built Environment, Tshwane University of Technology, Pretoria, South Africa

autor

Huan Z.

• Department of Mechanical Engineering, Faculty of Engineering and Built Environment, Tshwane University of Technology, Pretoria, South Africa

Bibliografia

• [1] KIM Y.,CHANG,K.S.,KIM,H.,J. Ind. Eng. Chem., 2007, 13, 674.
• [2] BOLAJI B.O., Investigating the performance of some environment-friendly refrigerants as alternative to R12 in vapour compression refrigeration system, Ph.D. Thesis, Department of Mechanical Engineering, Federal University of Technology, Akure, Nigeria, 2008.
• [3] MCMULLAN J.T., Int. J. Refrig., 2002, 25, 89.
• [4] CAVALLINI A.,Int. J. Refrig., 1996, 19, 485.
• [5] BOLAJI B.O.,AKINTUNDE M.A.,FALADE T.O.,J. Sustain. Energ. Environ., 2011, 2 (2), 61.
• [6] FERNANDEZ-SEARA J.,UHIA F.J.,DIZ R.,DOPAZO J.A., Int. J. Refrig., 2010, 33, 148.
• [7] APREA C.,RENNO C., Energ. Convers. Manage., 2004, 45, 1807.
• [8] BOLAJI B.O., Energ. Buildings, 2011, 43, 3139.
• [9] CALM J.M.,DOMANSKI P.A.,ASHRAE Journal, 2004, 46, 29.
• [10] UNEP, Handbook for international treaties for protection of the ozone layers, 6th Ed., United Nation Environment Program, Nairobi, Kenya, 2003.
• [11] BOLAJI B.O.,J. Sci. Manage., 2011, 1(1), 22.
• [12] CHEN W.,Appl. Therm. Eng., 2008, 28, 1.
• [13] TORRELLA E.,CABELLO R.,SANCHEZ D.,LARUMBE J.A.,LLOPIS R.,Energ. Buildings, 2010, 42, 1561.
• [14] Bitzer, Refrigerant Report, Bitzer International, 13th Edition, 71065 Sindelfingen, Germany, http://www.bitzer.de Accessed on June 24, 2007.
• [15] DEVOTTA S.,PADALKAR A.S.,SANE N.K.,Appl. Therm. Eng., 2005, 25, 2937.
• [16] BOLAJI B.O., Experimental analysis of reciprocating compressor performance with eco-friendly refrigerants, Proc. IMechE, Part A: J. Power Energ., 2010, 224, 781.
• [17] DIDION D.A.,Int. J. Appl. Thermod., 1999, 2, 19.
• [18] LEMMON E.W., McLinden M.O., HUBER M.L., NIST reference fluids thermodynamic and transport properties REFPROP 7.0, National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA, 2002.
• [19] KUMAR K.S.,RAJAGOPAL K., Energ. Convers. Manage., 2007, 48, 3053.