Experimental study of the refrigeration cycle performance for the R744/R290 mixtures

Niu, Baolian; Zhang, Yufeng

doi:10.1016/j.ijrefrig.2006.06.002

Cited by 57 publications

(18 citation statements)

References 3 publications

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“…Much research has been devoted to the alternative refrigerants HFC32(R32) (Dalkilic and Wongwises, 2010;Xu et al, 2013), HC290(R290) (Fernando et al, 2008a, b;Padalkar et al, 2014;Park and Jung, 2007) and the related mixtures (Bobbo et al, 2003;Coquelet et al, 2004;Dalkilic and Wongwises, 2010;Niu and Zhang, 2007;Tanaka and Higashi, 2007;Yu et al, 2010). R32 has an ODP of zero and a GWP of 675, and R290 has an ODP of zero and a GWP of 3.3 (Forster et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

Tian

Cai

Ren

et al. 2015

International Journal of Refrigeration

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Section: Introductionmentioning

confidence: 99%

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

Tian

Cai

Ren

et al. 2015

International Journal of Refrigeration

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“…To validate our model, we compare our results with the results obtained experimentally by Niu et al 15 and theoretically by Nicola et al 33 The model of Niu et al is a vapor compression cascade refrigeration system. It used R290 as highstage's refrigerant and the mixture co 2 /propane (71/29) as low-stage's refrigerant.…”

Section: Validation and Simulationmentioning

confidence: 75%

“…Nicola et al 14 analyzed the performance of cascade refrigeration cycle operated with a blend of carbon dioxide and HFC (R125, R41, R32, R23) as the low-stage and ammonia as the high-stage. They concluded that R744 blends can be considered as an attractive option for the low-stage in cascade system operating at 200 K. Ni et al 15 proposed an environment friendly new alternative refrigerant to R13 composed of R744/ R290 (71/29, mole fraction). Results showed that R744/R290 blends can be considered as a good substitute for R13 when the evaporator temperature is higher than 201 K. Kim et al 16 developed a fully instrumented air-conditioning system to evaluate the transcritical cycle of CO 2 and the subcritical cycle of CO 2 /propane mixture of 75/25 and 60/40 by the charged mass percentage.…”

Section: Introductionmentioning

confidence: 99%

Performance Investigation of Cascade Refrigeration System Using CO₂ and Mixtures

Jemni

Elakhdar

Nehdi

et al. 2015

Int. J. Air-Cond. Ref.

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This paper presents reports on simulation and comparative analysis of single stage vapor compression refrigeration system and cascade systems using carbon dioxide, hydrocarbons (HCs) and CO 2 /HCs mixture. Thermodynamic parameters of°uids are given using the software REFPROP 9.0. To select the most suitable HCs, three criteria have been¯xed: T c , T t and T b . It is found that the HCs chosen in low-stage are propane, propylene and ethane and those for the high-stage are propane, propylene and isobutane. The fraction mixture in the two loops has been varied and results are compared with single stage and cascade systems using CO 2 and R22. The fraction x CO2 is varied in the two loops. Results are compared for single and cascade systems using CO 2 and R22. For the single stage system, we¯nd for x CO2 ¼ 0.5, an improvement of COP of 14% for CO 2 /propane mixture and 36% for the CO 2 /propylene mixture. It is found that for x CO2 ¼ 0.3, cascade system using propane/CO 2 and propylene/CO 2 mixtures presents a COP lower than that of cascade system using pure CO 2 . About of 70% of unfriendly°uids like CFCs and HCFCs can be replaced with CO 2 , without a®ecting the performance of cascade refrigeration systems.

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“…[ Table 3] and propane can overcome the limitation of CO 2 triple point [26]. It can also be seen from Fig.9 that M A N U S C R I P T…”

Section: Effect Of Vapor Quality In Fhex (mentioning

confidence: 83%

Experimental and theoretical investigation on the performance of CO2/propane auto-cascade refrigerator with a fractionation heat exchanger

Zhang

et al. 2015

Applied Thermal Engineering

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Experimental study of the refrigeration cycle performance for the R744/R290 mixtures

Cited by 57 publications

References 3 publications

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

Performance Investigation of Cascade Refrigeration System Using CO₂ and Mixtures

Experimental and theoretical investigation on the performance of CO2/propane auto-cascade refrigerator with a fractionation heat exchanger

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Experimental study of the refrigeration cycle performance for the R744/R290 mixtures

Cited by 57 publications

References 3 publications

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

An experimental investigation of refrigerant mixture R32/R290 as drop-in replacement for HFC410A in household air conditioners

Performance Investigation of Cascade Refrigeration System Using CO2 and Mixtures

Experimental and theoretical investigation on the performance of CO2/propane auto-cascade refrigerator with a fractionation heat exchanger

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Performance Investigation of Cascade Refrigeration System Using CO₂ and Mixtures