Dynamic performance analysis of inverter-driven split air conditioner
Variable speed technology has a great potential for improving energy efficiency and performance of vapor compression refrigeration cycle. Therefore, the study of dynamic characteristics of the refrigeration cycle using this new technology becomes essential. This study experimentally investigates the...
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| Veröffentlicht in: | International journal of refrigeration 2020-10, Vol.118, p.443-452 |
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| container_title | International journal of refrigeration |
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| creator | Elsayed, Amr Owes Kayed, T.S. |
| description | Variable speed technology has a great potential for improving energy efficiency and performance of vapor compression refrigeration cycle. Therefore, the study of dynamic characteristics of the refrigeration cycle using this new technology becomes essential. This study experimentally investigates the dynamic behavior of a split R-410A air conditioner comprising variable speed compressor, variable speed condenser fan, three speed evaporator fan and electronic expansion valve. The characteristics of the conditioner have been presented during the startup and shutdown periods. Furthermore, the effect of changing evaporator fan speed during the running of the conditioner has been illustrated and discussed. The influence of evaporator and condenser inlet air temperatures on the power consumption and coefficient of performance of the conditioner has also been investigated. The experimental results show that increasing the condenser entering air temperature by 7 °C, the power consumption has been increased by 18% and the coefficient of performance decreased by 15%. |
| doi_str_mv | 10.1016/j.ijrefrig.2020.05.014 |
| format | Article |
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Therefore, the study of dynamic characteristics of the refrigeration cycle using this new technology becomes essential. This study experimentally investigates the dynamic behavior of a split R-410A air conditioner comprising variable speed compressor, variable speed condenser fan, three speed evaporator fan and electronic expansion valve. The characteristics of the conditioner have been presented during the startup and shutdown periods. Furthermore, the effect of changing evaporator fan speed during the running of the conditioner has been illustrated and discussed. The influence of evaporator and condenser inlet air temperatures on the power consumption and coefficient of performance of the conditioner has also been investigated. The experimental results show that increasing the condenser entering air temperature by 7 °C, the power consumption has been increased by 18% and the coefficient of performance decreased by 15%.</description><identifier>ISSN: 0140-7007</identifier><identifier>EISSN: 1879-2081</identifier><identifier>DOI: 10.1016/j.ijrefrig.2020.05.014</identifier><language>eng</language><publisher>Paris: Elsevier Ltd</publisher><subject>Air conditioners ; Air conditioning equipment ; Air temperature ; Caractéristiques dynamiques du conditionneur ; Compresseur et ventilateurs à vitesse variable ; Compressors ; Condensers ; Conditionneur d’air entraîné par un variateur de fréquence ; Dynamic characteristics ; Dynamic characteristics of conditioner ; Efficacité énergétique du conditionneur d’air ; Energy efficiency of air conditioner ; Evaporation ; Evaporators ; Gas expanders ; Inverter-driven air conditioner ; New technology ; Power consumption ; Refrigeration ; Shutdowns ; Vapor compression refrigeration ; Variable speed compressor and fans</subject><ispartof>International journal of refrigeration, 2020-10, Vol.118, p.443-452</ispartof><rights>2020 Elsevier Ltd and IIR</rights><rights>Copyright Elsevier Science Ltd. 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Therefore, the study of dynamic characteristics of the refrigeration cycle using this new technology becomes essential. This study experimentally investigates the dynamic behavior of a split R-410A air conditioner comprising variable speed compressor, variable speed condenser fan, three speed evaporator fan and electronic expansion valve. The characteristics of the conditioner have been presented during the startup and shutdown periods. Furthermore, the effect of changing evaporator fan speed during the running of the conditioner has been illustrated and discussed. The influence of evaporator and condenser inlet air temperatures on the power consumption and coefficient of performance of the conditioner has also been investigated. 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Therefore, the study of dynamic characteristics of the refrigeration cycle using this new technology becomes essential. This study experimentally investigates the dynamic behavior of a split R-410A air conditioner comprising variable speed compressor, variable speed condenser fan, three speed evaporator fan and electronic expansion valve. The characteristics of the conditioner have been presented during the startup and shutdown periods. Furthermore, the effect of changing evaporator fan speed during the running of the conditioner has been illustrated and discussed. The influence of evaporator and condenser inlet air temperatures on the power consumption and coefficient of performance of the conditioner has also been investigated. 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| identifier | ISSN: 0140-7007 |
| ispartof | International journal of refrigeration, 2020-10, Vol.118, p.443-452 |
| issn | 0140-7007 1879-2081 |
| language | eng |
| recordid | cdi_proquest_journals_2450792973 |
| source | Elsevier ScienceDirect Journals |
| subjects | Air conditioners Air conditioning equipment Air temperature Caractéristiques dynamiques du conditionneur Compresseur et ventilateurs à vitesse variable Compressors Condensers Conditionneur d’air entraîné par un variateur de fréquence Dynamic characteristics Dynamic characteristics of conditioner Efficacité énergétique du conditionneur d’air Energy efficiency of air conditioner Evaporation Evaporators Gas expanders Inverter-driven air conditioner New technology Power consumption Refrigeration Shutdowns Vapor compression refrigeration Variable speed compressor and fans |
| title | Dynamic performance analysis of inverter-driven split air conditioner |
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