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    Thermodynamic Performance Enhancement of an Air Conditioner With Dew Point Evaporative Cooler

    Source: ASME Journal of Engineering for Sustainable Buildings and Cities:;2023:;volume( 005 ):;issue: 001::page 14501-1
    Author:
    Gupta, Sunil Kumar
    ,
    Arora, B. B.
    ,
    Arora, Akhilesh
    DOI: 10.1115/1.4063498
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The vapor-compression-based conventional split air conditioners (CACs) consume a large portion of total electrical power and pose an alarming threat to global environment. The present work aims to reduce cooling load and power consumption of CAC by employing a dew point evaporative cooler (DPEC). DPEC consists of a counter flow type heat and mass exchanger with alternate layers of dry and wet channels. The intake air is sensibly cooled before entering the cooling room through the evaporator coil of the air conditioner. Also, the working air (a part of outlet air in dry channel), after absorbing sensible heat of intake air and water vapors from the wet channel surface, is allowed to pass across the condenser coils. The intake dry-bulb temperature (T0 = 29–44 °C) and specific humidity (ω0 = 6–22 g/kg) are taken as input parameters. While the cooled air entering the evaporator decreases the cooling load on the conditioned space, the compression work is also reduced due to increased heat transfer in the condenser. The maximum reductions in cooling load and monthly energy consumption at T0 = 44 °C and ω0 = 6 g/kg are found as 59.54% and 340 kW h, respectively. The water consumption for different months of the cooling season varies from 1037.8 L to 2905.95 L. The average energy savings with the DPEC system for hot-dry climate (from April to June) and hot-humid climate (from July to September) of New Delhi, India, are observed to be 479.6 kW h and 79.1 kW h, respectively. The proposed system is found to payback in about 3.37 years.
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      Thermodynamic Performance Enhancement of an Air Conditioner With Dew Point Evaporative Cooler

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4295507
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    contributor authorGupta, Sunil Kumar
    contributor authorArora, B. B.
    contributor authorArora, Akhilesh
    date accessioned2024-04-24T22:35:49Z
    date available2024-04-24T22:35:49Z
    date copyright10/6/2023 12:00:00 AM
    date issued2023
    identifier issn2642-6641
    identifier otherjesbc_5_1_014501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4295507
    description abstractThe vapor-compression-based conventional split air conditioners (CACs) consume a large portion of total electrical power and pose an alarming threat to global environment. The present work aims to reduce cooling load and power consumption of CAC by employing a dew point evaporative cooler (DPEC). DPEC consists of a counter flow type heat and mass exchanger with alternate layers of dry and wet channels. The intake air is sensibly cooled before entering the cooling room through the evaporator coil of the air conditioner. Also, the working air (a part of outlet air in dry channel), after absorbing sensible heat of intake air and water vapors from the wet channel surface, is allowed to pass across the condenser coils. The intake dry-bulb temperature (T0 = 29–44 °C) and specific humidity (ω0 = 6–22 g/kg) are taken as input parameters. While the cooled air entering the evaporator decreases the cooling load on the conditioned space, the compression work is also reduced due to increased heat transfer in the condenser. The maximum reductions in cooling load and monthly energy consumption at T0 = 44 °C and ω0 = 6 g/kg are found as 59.54% and 340 kW h, respectively. The water consumption for different months of the cooling season varies from 1037.8 L to 2905.95 L. The average energy savings with the DPEC system for hot-dry climate (from April to June) and hot-humid climate (from July to September) of New Delhi, India, are observed to be 479.6 kW h and 79.1 kW h, respectively. The proposed system is found to payback in about 3.37 years.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThermodynamic Performance Enhancement of an Air Conditioner With Dew Point Evaporative Cooler
    typeJournal Paper
    journal volume5
    journal issue1
    journal titleASME Journal of Engineering for Sustainable Buildings and Cities
    identifier doi10.1115/1.4063498
    journal fristpage14501-1
    journal lastpage14501-9
    page9
    treeASME Journal of Engineering for Sustainable Buildings and Cities:;2023:;volume( 005 ):;issue: 001
    contenttypeFulltext
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