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, Piyanut; Taweekun, Juntakan; Maliwan, Kittinan; Sae-ung, Somchai; Theppaya, Thanansak

doi:10.37934/arfmts.76.1.113123

Cited by 8 publications

(5 citation statements)

References 35 publications

(49 reference statements)

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“…13 below, which shows the refrigerant mixtures with R1270 fixed at 1% and various mass percentages of R134, R32, and R125. The refrigerant proportion mixed with R125 was, more or less, similar to that of the R32 mixture, and also possessed the Class A1 non-flammability property, similar to R410A (which is comprised of 50% R125 and 50% R32) [81][82][83]. The class A2 mixed refrigerants had a mass percentage of R32 higher than that of R125, similar to R452B (R32/125/1234yf [67/7/26]).…”

Section: Resultsmentioning

confidence: 99%

Development of Environmentally Friendly and Energy Efficient Refrigerants for Refrigeration Systems

Saengsikhiao¹,

Taweekun²,

Maliwan³

et al. 2021

Energy Engineering

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This paper presents the improvement of eco-friendly and power consumption saving refrigerants for refrigeration systems. The novel azeotropic refrigerant mixtures of HFCs and HCs can replace refrigeration systems, and using the R134, R32, R125, and R1270 refrigerants in several compositions found using the decision tree function of the RapidMiner software (which came first in the KDnuggets annual software poll). All refrigerant results are mixed of POE, which is A1 classification refrigerant, non-flammable, and innocuous refrigerant, and using REFPROP software and CYCLE_D-HX software are under the CAN/ANSI/AHRI540 standards. The boiling point of the new refrigerant mix R-No.595 is 4.58%, lower than that of R404A, with a higher refrigerant effect and 50.34% lower GWP value than R404A. The proposed mix R-No.595 can be operated in hot environmental country and has high critical temperature and heat-rejection effects, due to the presence of R32 and R1270. The COPc of R463A is 13.49%, higher than R404A in freeze condition. The novel refrigerant mixes provide alternate refrigerant options mixed of 1% R1270, and which are related with the development of current refrigerants, containing a compose of HFOs and eco refrigerants for producing low-GWP, zero ODP, high-refrigerant effect, low-operating pressure, and innocuous refrigerants.

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Section: Resultsmentioning

confidence: 99%

Development of Environmentally Friendly and Energy Efficient Refrigerants for Refrigeration Systems

Saengsikhiao¹,

Taweekun²,

Maliwan³

et al. 2021

Energy Engineering

Self Cite

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“…The results illustrated the relationships of all parameters, such as GWP, boiling point, refrigerant effect, heat rejection, refrigerant work, evaporator pressure, high pressure, and cooling coefficient of performance (COPc), as well as the result of the decision tree function through datamining using the RapidMiner software (which came first in the 2013 KDnuggets annual software poll [80][81][82]), as shown in Figure 9 below. The baseline refrigerant, using R134a, R32, R125, and R1270, was determined from the literature review [83][84][85][86][87][88][89].…”

Section: Methodsmentioning

confidence: 99%

The Data Mining Technique Using RapidMiner Software for New Zeotropic Refrigerant

Saengsikhiao

Taweekun

2021

ARFMTS

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This research presents the development of environmentally-friendly and energy efficient refrigerant for medium temperature refrigeration systems that new azeotropic refrigerant mixture of hydrofluorocarbons and hydrocarbon that can retrofit in the refrigeration system using R404A. The medium back pressure refrigeration testing standard that follow CAN/ANSI/AHRI540 standard air-conditioning, heating, and refrigeration institute (AHRI) and The properties of refrigerants and refrigeration simulation system that used 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. The methodology uses decision tree function in datamining by rapid minor software that first of KDnuggets annual software poll that showed new azeotropic refrigerant mixture had cooling capacity, refrigerant effect, GWP and boiling point were lower than R404A but work and pressure for medium temperature refrigeration system of azeotropic refrigerant mixture were higher than R404A. The artificial intelligence (AI) by data mining technic can predictive environmentally-friendly and energy efficient refrigerant for medium temperature refrigeration. The result of refrigerant mixed by R134A, R32, R125 and R1270 and is consistent with the evolution of fourth-generation refrigerants that contain a mixture of HFCs and HCs 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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“…Workflow of the digital semi-hermetic compressor is illustrated in Figure 7 and Figure 8, and the fixed-speed compressor rack compressor and digital scroll are illustrated in Figure 9, Figure 10, and Figure 11. A power meter data logger and temperature data logger were used to 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), and superheat temperature (TSH) [25][26][27].…”

Section: Digital Semi-hermetic Compressormentioning

confidence: 99%

Improving Energy Efficiency in Supermarkets by Retrofitting Low-E Glass Doors for Open Refrigeration Systems with Digital Semi Hermetic Compressor

Saengsikhiao

Taweekun

2021

ARFMTS

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This research will be presenting energy efficiency improvement options by retrofitting doors for open refrigeration systems in Central Thailand supermarkets that open during the daytime (06:00 am – 06:00 pm), and are closed during the night-time (00:00 am – 6:00 am). The materials and methods used consisted of 15 open refrigeration cabinets with 82 retrofitted doors supported by 41 frames, with the temperature set at medium. The power consumption was indicated in kW, kWh through a power meter data logger for analysis and summarization. The investment required was €21,694 /store, while the payback period of this research was determined to be at 14 months. The cost of energy savings was found to be within a period of 1.1 years, at the rate of 192,220 kWh/year or €18,503 annually. The retrofitted doors is expected to reduce the cooling load and over-burdening of the compressor. The research found that the most viable solution was to use a digital semi-hermetic compressor that can operate in unload and full load status, that was being controlled by the evaporator temperature (TEV) which was set at -10 degree, the condenser temperature (TCD) set at 38 degrees, and the superheat temperature (TSH) at 10 degrees. In the unload status, the power consumption of the digital semi hermetic compressor will decrease by 50%, which has a significant impact for energy savings and is important for night-time when low cooling load is required whereby the compressor’s multiple start–stop cycles are not required. The investment for a digital semi-hermetic compressor was determined to be €7,800/store, and is able to yield energy savings of up to 26,890 kWh/year, or €2,589 annually, with a payback period of 2.9 years.

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

Cited by 8 publications

References 35 publications

Development of Environmentally Friendly and Energy Efficient Refrigerants for Refrigeration Systems

Development of Environmentally Friendly and Energy Efficient Refrigerants for Refrigeration Systems

The Data Mining Technique Using RapidMiner Software for New Zeotropic Refrigerant

Improving Energy Efficiency in Supermarkets by Retrofitting Low-E Glass Doors for Open Refrigeration Systems with Digital Semi Hermetic Compressor

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