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    Local Entropy Generation Analysis of the Counter-Flow Dew-Point Evaporative Coolers

    Source: ASME Journal of Engineering for Sustainable Buildings and Cities:;2024:;volume( 005 ):;issue: 002::page 21004-1
    Author:
    Yang, Cheng
    ,
    Chen, Haonan
    ,
    Miyazaki, Takahiko
    ,
    Kim, Young-Deuk
    ,
    Khargotra, Rohit
    ,
    Thu, Kyaw
    DOI: 10.1115/1.4065740
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A comfortable indoor working circumstance can be accomplished by a ventilation and air conditioning system. There are several factors influencing the quality of indoor air, with the insufficiency of ventilation accounting for over 50% of the overall considerations. While traditional air conditioner is able to fulfill the needs of ventilation and indoor temperature control, low-efficiency and high energy consumption no longer align with the current sustainable and energy-efficiency goals. Thus, the development of energy-saving and high-efficiency air conditioning systems is crucial for realizing green and efficient building practices. Evaporative cooling technology, specifically dew-point evaporative cooling, has garnered extensive attention as an efficient cooling method and a candidate for environmentally friendly and high-performance alternatives to traditional air conditioning systems. This article investigates the thermodynamic losses involved in a dew-point evaporative cooling system using the counter-flow design. Detailed mathematical models for the evaporative cooler along with the entropy generation in the channels are developed. The model facilitates calculations of (1) the entropy generation distribution in different layers within the system and (2) the entropy generation of each layer and the whole system under various input conditions. Approaching the system from the second law of thermodynamics perspective, this model serves as a guide for selecting the optimal operating conditions, thus promoting the widespread application and commercialization of dew-point evaporative cooling systems with the counter-flow structure.
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      Local Entropy Generation Analysis of the Counter-Flow Dew-Point Evaporative Coolers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4303321
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    contributor authorYang, Cheng
    contributor authorChen, Haonan
    contributor authorMiyazaki, Takahiko
    contributor authorKim, Young-Deuk
    contributor authorKhargotra, Rohit
    contributor authorThu, Kyaw
    date accessioned2024-12-24T19:07:22Z
    date available2024-12-24T19:07:22Z
    date copyright7/3/2024 12:00:00 AM
    date issued2024
    identifier issn2642-6641
    identifier otherjesbc_5_2_021004.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4303321
    description abstractA comfortable indoor working circumstance can be accomplished by a ventilation and air conditioning system. There are several factors influencing the quality of indoor air, with the insufficiency of ventilation accounting for over 50% of the overall considerations. While traditional air conditioner is able to fulfill the needs of ventilation and indoor temperature control, low-efficiency and high energy consumption no longer align with the current sustainable and energy-efficiency goals. Thus, the development of energy-saving and high-efficiency air conditioning systems is crucial for realizing green and efficient building practices. Evaporative cooling technology, specifically dew-point evaporative cooling, has garnered extensive attention as an efficient cooling method and a candidate for environmentally friendly and high-performance alternatives to traditional air conditioning systems. This article investigates the thermodynamic losses involved in a dew-point evaporative cooling system using the counter-flow design. Detailed mathematical models for the evaporative cooler along with the entropy generation in the channels are developed. The model facilitates calculations of (1) the entropy generation distribution in different layers within the system and (2) the entropy generation of each layer and the whole system under various input conditions. Approaching the system from the second law of thermodynamics perspective, this model serves as a guide for selecting the optimal operating conditions, thus promoting the widespread application and commercialization of dew-point evaporative cooling systems with the counter-flow structure.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleLocal Entropy Generation Analysis of the Counter-Flow Dew-Point Evaporative Coolers
    typeJournal Paper
    journal volume5
    journal issue2
    journal titleASME Journal of Engineering for Sustainable Buildings and Cities
    identifier doi10.1115/1.4065740
    journal fristpage21004-1
    journal lastpage21004-14
    page14
    treeASME Journal of Engineering for Sustainable Buildings and Cities:;2024:;volume( 005 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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