Fourth-Generation Refrigerant:HFO 1234yf

Arora, Pinklesh; Seshadri, Geetha; Tyagi, A. K.

doi:10.18520/cs/v115/i8/1497-1503

Cited by 29 publications

(17 citation statements)

References 12 publications

(19 reference statements)

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Section: Introductionmentioning

confidence: 79%

“…Energy savings in refrigeration systems can be achieved through decreased power consumption of the compressor, as this is the component that utilizes the most energy. Refrigerant trends in Thailand have shown improvements in increasing energy efficiency and decreasing global-warming potential (GWP), as shown in Figure 3 [7,8], which is related to the annual basis. The majority are open 24 hours per day, so the retail sector is the fourth largest consumer of energy in the business sector, consuming more energy than residences do [2].…”

Section: Introductionmentioning

confidence: 99%

“…Refrigerant trends in Thailand have shown improvements in increasing energy efficiency and decreasing global-warming potential (GWP), as shown in Figure 3 [7,8], which is related to the hydrofluorocarbon (HFC) phase-down schedule, as shown in Figure 4 [9]. First-and second-generation refrigerants were composed of natural refrigerants and hydrocarbons (HCs), both of which do not impact the environment, have low GWP, and zero ozone-depletion potential (ODP) [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigation and Analysis of R463A as an Alternative Refrigerant to R404A with Lower Global Warming Potential

et al. 2020

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This research presents the development of R463A refrigerant, a nonflammable refrigerant that was retrofitted to replace R404A. R463A is primarily composed of hydrofluorocarbons/hydrocarbons/carbon dioxide (HFCs/HCs/CO2), and has global-warming potential (GWP) of 1494. It is a nonazeotropic mixture of R32 (36%), R125 (30%), R134a (14%), R1234yf (14%), and R744 (6%). R463A is composed of polyol ester oil (POE), and it is classified as a Class A1 incombustible and nontoxic refrigerant. R463A has a higher cooling capacity (Qe) than that of R404A, as it is composed of hydrofluorocarbons (HFCs) R32 and carbon dioxide (CO2) R744, and has lower GWP than that of R404A due to the use of hydrofluoroolefins (HFOs) from R1234yf. The results of this research showed that R463A can be retrofitted to replace R404A due to its composition of POE, Class A1 incombustibility, and lower toxicity. The properties of R463A and R404A, as analyzed using national institute of standards and technology (NIST) reference fluid thermodynamic and transport properties database (REFPROP) software and NIST vapor compression cycle model accounting for refrigerant thermodynamic and transport properties (CYCLE_D-HX) software, are in accordance with the CAN/ANSI/AHRI540 standards of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). The normal boiling point of R463A was found to be higher than that of R404A by 23%, with a higher cooling capacity and a 63% lower GWP value than that of R404A. The critical pressure and temperature of R463A were found to be higher than those of R404A; it can be used in a high-ambient-temperature environment, has higher refrigerant and heat-rejection effects, and has lower GWP than that of R404A by 52% due to the HFOs from the R1234yf component. The cooling coefficient of performance (COPc) of R463A was found to be higher than that of R404A by 10% under low-temperature applications. R463A is another refrigerant option that is composed of 7% carbon dioxide (CO2), and is consistent with the evolution of fourth-generation refrigerants that contain a mixture of HFCs, HFOs, HCs, and natural refrigerants, which are required to produce a low-GWP, zero-ozone-depletion-potential (ODP), high-capacity, low-operating-pressure, and nontoxic refrigerant.

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Section: Introductionmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigation and Analysis of R463A as an Alternative Refrigerant to R404A with Lower Global Warming Potential

et al. 2020

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“…The trend of refrigerant in Thailand was increases energy efficiency and decreases global warming [17] as shown in Figure 3 below [10,11]. The R448A refrigerant was develop for retrofit to R404A.…”

Section: R448a Refrigerantmentioning

confidence: 99%

The Improvement of Energy Efficiency for Refrigeration System in Thailand Convenience Store by Digital Scroll Compressor

Saengsikhiao¹,

Taweekun²,

Maliwan³

et al. 2020

ARFMTS

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In this research will present energy saving of R448A refrigeration system in convenience stores 150 m 2 by digital scroll compressor that energy used 40,997 kWh/Year/Store replaced for fix speed scroll compressor that energy used 62,364 kWh/Year/Store. The digital scroll compressor can operated in unload status and full load status that controlled by evaporator temperature (Tev) set point at-10 degree and condenser temperature (Tcd) set point at 38 degree and superheat temperature (Tsh) at 10 degree, in unload status the power consumption for digital scroll compressor will decreased 50% that impact for energy saving and important for night time when low requested cooling load because compressor started-stopped many time. The methodology was measured power consumption (W), voltage (V), current (I), power factor (PF), frequency (Hz), evaporator temperature (Tev), condenser temperature (Tcd), liquid temperature (Tlq), sub cool temperature (Tsc), gas temperature (Tg), superheat temperature (Tsh) by power meter data logger and temperature data logger. The result summarized relation of all parameter and showed energy saving 34%, 21,367 kWh/Year/Store of compressor.

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“…The refrigerant trends in Thailand has shown progressive improvement in increasing energy efficiency, and at the same time decrease global warming potential (GWP), as shown in Figure 3 below, which is related to the HFCs phase-down schedule, as shown in Figure 4 below [4][5][6]. First and second-generation refrigerants were composed of natural refrigerants and hydrocarbons (HCs), both of which does not impact the environment, has a low global warming potential (GWP), and a zeroozone depletion potential (ODP).…”

Section: Evolution Of the Refrigerantmentioning

confidence: 99%

The Performance Simulation of The New R463A HFC/HFO/Carbon Dioxide Refrigerant with Lower GWP, As an Alternate Option for The R404A Refrigeration System

Saengsikhiao

Taweekun

Maliwan

et al. 2020

ARFMTS

View full text Add to dashboard Cite

This study presents the performance simulation of the R463A that has been developed to be retrofitted to replace the R404A. The R463A is primarily composed of hydrofluorocarbons/hydrocarbon/carbon dioxide (HFCs/HCs/CO2). The R463A refrigerant (GWP=1494) is a non azeotropic mixture of R32 (36%), R125 (30%), R134a (14%), R1234yf (14%), and R744 (6%). It is composed of polyol ester oil (POE), and classified as a Class A1 incombustible and non-toxic refrigerant. The R463A has a higher cooling capacity (Qe) than the R404A, as it is composed of hydrofluorocarbons (HFCs) R32 and carbon dioxide (CO2) R744, and also has a lower global warming potential (GWP) than the R404A due to the hydrofluoroolefins (HFOs) by R1234yf. The properties of the R463A and R404A that uses the REFPROP and CYCLE_D-HX software, is in accordance to the CAN/ANSI/AHRI540 standard airconditioning , heating, and refrigeration institute (AHRI). The normal boiling point of the R463A was found to be higher than the R404A by 23%, with a higher cooling capacity and a lower GWP value by 63% than the R404A. The critical pressure and temperature of the R463A was found to be higher than the R404A, i.e. it can be used in a high ambient temperature environment, and emits a higher refrigerant effect and heat reject with a lower global warming potential (GWP) than the R404A by 52%, due to its hydrofluoroolefins (HFOs) by R1234yf component. The COP of the R463A was found to be higher than the R404A by 10% under low temperature application.

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Fourth-Generation Refrigerant:HFO 1234yf

Cited by 29 publications

References 12 publications

Investigation and Analysis of R463A as an Alternative Refrigerant to R404A with Lower Global Warming Potential

Investigation and Analysis of R463A as an Alternative Refrigerant to R404A with Lower Global Warming Potential

The Improvement of Energy Efficiency for Refrigeration System in Thailand Convenience Store by Digital Scroll Compressor

The Performance Simulation of The New R463A HFC/HFO/Carbon Dioxide Refrigerant with Lower GWP, As an Alternate Option for The R404A Refrigeration System

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