Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga
Refrigerant HFO-1234yf: Thermodynamical analysis of cycles for small heat pumps
Апстракт
U radu je izložena termodinamička analiza rashladnih ciklusa toplotnih pumpi malih snaga sa HFO-1234yf kao rashladnim fluidom. Zbog vrlo niske vrednosti GWP, HFO-1234yf ima izgleda da bude zamena za R134a. Date su osnovne termodinamičke, fizičko-hemijske i ekološke karakteristike HFO-1234yf. merodavne za primenu u rashladnoj tehnici. Za referentni levokretni ciklus sa unutrašnjim razmenjivačem toplote, izvršeno je poređenje termodinamičkih performansi i dati su pripadajući uporedni dijagrami za pet rashladnih fluida. Pokazano je da su ciklusi malih toplotnih pumpi sa HFO-1234yf energetski efikasni, tehnički izvodljivi i da. s obzirom na nizak GWP, mogu da budu prihvatljiva alternativa fluidu R134a za primenu u rashladnoj i klimatizacionoj tehnici.
A thermodynamical analysis of refrigeration cycles for small heat pumps with HFO-1234yf as a refrigerant has been given in this paper. As a result of very low GWP value, HFO-1234yf is intended to be a replacement for R134a. The basic thermodynamical, physico-chemical and ecological characteristics of HFO-1234yf relevant for RAC applications have been given. For a comparative cycle with internal suction gas heat exchanger the comparison of thermodynamical performances and associated diagrams for five refrigerants have been presented. It has been shown that the cycles of small heat pumps with HFO-1234yf are energy efficient and technical feasible. Having in mind his very low GWP the HFO-1234yf fluid may be acceptable alternative for R134a in RAC applications.
Кључне речи:
zamena za R134a / toplotna pumpa / termodinamička analiza / rashladni fluid HFO-1234yf / GWP / thermodynamical analysis / replacement for R134a / refrigerant HFO-1234yf / heat pump / GWPИзвор:
Klimatizacija, grejanje, hlađenje, 2011, 40, 1, 73-76Издавач:
- Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd
Колекције
Институција/група
Mašinski fakultetTY - JOUR AU - Kosi, Franc AU - Stojković, Milena AU - Milovančević, Uroš AU - Otović, Srđan PY - 2011 UR - https://machinery.mas.bg.ac.rs/handle/123456789/1261 AB - U radu je izložena termodinamička analiza rashladnih ciklusa toplotnih pumpi malih snaga sa HFO-1234yf kao rashladnim fluidom. Zbog vrlo niske vrednosti GWP, HFO-1234yf ima izgleda da bude zamena za R134a. Date su osnovne termodinamičke, fizičko-hemijske i ekološke karakteristike HFO-1234yf. merodavne za primenu u rashladnoj tehnici. Za referentni levokretni ciklus sa unutrašnjim razmenjivačem toplote, izvršeno je poređenje termodinamičkih performansi i dati su pripadajući uporedni dijagrami za pet rashladnih fluida. Pokazano je da su ciklusi malih toplotnih pumpi sa HFO-1234yf energetski efikasni, tehnički izvodljivi i da. s obzirom na nizak GWP, mogu da budu prihvatljiva alternativa fluidu R134a za primenu u rashladnoj i klimatizacionoj tehnici. AB - A thermodynamical analysis of refrigeration cycles for small heat pumps with HFO-1234yf as a refrigerant has been given in this paper. As a result of very low GWP value, HFO-1234yf is intended to be a replacement for R134a. The basic thermodynamical, physico-chemical and ecological characteristics of HFO-1234yf relevant for RAC applications have been given. For a comparative cycle with internal suction gas heat exchanger the comparison of thermodynamical performances and associated diagrams for five refrigerants have been presented. It has been shown that the cycles of small heat pumps with HFO-1234yf are energy efficient and technical feasible. Having in mind his very low GWP the HFO-1234yf fluid may be acceptable alternative for R134a in RAC applications. PB - Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd T2 - Klimatizacija, grejanje, hlađenje T1 - Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga T1 - Refrigerant HFO-1234yf: Thermodynamical analysis of cycles for small heat pumps EP - 76 IS - 1 SP - 73 VL - 40 UR - https://hdl.handle.net/21.15107/rcub_machinery_1261 ER -
@article{ author = "Kosi, Franc and Stojković, Milena and Milovančević, Uroš and Otović, Srđan", year = "2011", abstract = "U radu je izložena termodinamička analiza rashladnih ciklusa toplotnih pumpi malih snaga sa HFO-1234yf kao rashladnim fluidom. Zbog vrlo niske vrednosti GWP, HFO-1234yf ima izgleda da bude zamena za R134a. Date su osnovne termodinamičke, fizičko-hemijske i ekološke karakteristike HFO-1234yf. merodavne za primenu u rashladnoj tehnici. Za referentni levokretni ciklus sa unutrašnjim razmenjivačem toplote, izvršeno je poređenje termodinamičkih performansi i dati su pripadajući uporedni dijagrami za pet rashladnih fluida. Pokazano je da su ciklusi malih toplotnih pumpi sa HFO-1234yf energetski efikasni, tehnički izvodljivi i da. s obzirom na nizak GWP, mogu da budu prihvatljiva alternativa fluidu R134a za primenu u rashladnoj i klimatizacionoj tehnici., A thermodynamical analysis of refrigeration cycles for small heat pumps with HFO-1234yf as a refrigerant has been given in this paper. As a result of very low GWP value, HFO-1234yf is intended to be a replacement for R134a. The basic thermodynamical, physico-chemical and ecological characteristics of HFO-1234yf relevant for RAC applications have been given. For a comparative cycle with internal suction gas heat exchanger the comparison of thermodynamical performances and associated diagrams for five refrigerants have been presented. It has been shown that the cycles of small heat pumps with HFO-1234yf are energy efficient and technical feasible. Having in mind his very low GWP the HFO-1234yf fluid may be acceptable alternative for R134a in RAC applications.", publisher = "Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd", journal = "Klimatizacija, grejanje, hlađenje", title = "Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga, Refrigerant HFO-1234yf: Thermodynamical analysis of cycles for small heat pumps", pages = "76-73", number = "1", volume = "40", url = "https://hdl.handle.net/21.15107/rcub_machinery_1261" }
Kosi, F., Stojković, M., Milovančević, U.,& Otović, S.. (2011). Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga. in Klimatizacija, grejanje, hlađenje Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd., 40(1), 73-76. https://hdl.handle.net/21.15107/rcub_machinery_1261
Kosi F, Stojković M, Milovančević U, Otović S. Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga. in Klimatizacija, grejanje, hlađenje. 2011;40(1):73-76. https://hdl.handle.net/21.15107/rcub_machinery_1261 .
Kosi, Franc, Stojković, Milena, Milovančević, Uroš, Otović, Srđan, "Rashladni fluid HFO-1234yf - termodinamička analiza ciklusa toplotnih pumpi malih snaga" in Klimatizacija, grejanje, hlađenje, 40, no. 1 (2011):73-76, https://hdl.handle.net/21.15107/rcub_machinery_1261 .