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    Experimental Investigation of Steam Ejector System With an Extra Low Generating Temperature

    Source: Journal of Thermal Science and Engineering Applications:;2016:;volume( 008 ):;issue: 002::page 21017
    Author:
    Dong, Jingming
    ,
    Kang, C. L.
    ,
    Wang, H. M.
    ,
    Ma, H. B.
    DOI: 10.1115/1.4032483
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A steam ejector system is environmentally friendly but limited to utilizing thermal energy with a temperature typically ranging from 100 آ°C to 200 آ°C. As the steam generating temperature decreases, the utilization of the thermal energy from such a lowtemperature heat source becomes very challenging. In this investigation, an experimental steam ejector system was designed and constructed to investigate the performance of the ejector system with water as the working fluid at steam generating temperatures ranging from 40 آ°C to 60 آ°C. A convergent nozzle and a de Laval nozzle were used in the steam ejector as the primary nozzles, respectively. The experimental results show that the steam ejector at a generating temperature ranging from 40 آ°C to 60 آ°C can function. The performance of the convergent nozzle is a little better than that of the de Laval nozzle in most cases at the given working condition. For power plant or desalination system applications, the system coefficient of performance (COP) of the ejector with convergent nozzle could reach 3.06 when the steam generating temperature is 40 آ°C and the evaporator temperature is 25 آ°C. For refrigeration application, the ejector with a de Laval nozzle can achieve a system COP of 0.21 and 0.4 at a generating temperature of 60 آ°C. The results of this investigation enabled a better understanding of system performance characteristics in a steam ejector system at a generating temperature below 100 آ°C.
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      Experimental Investigation of Steam Ejector System With an Extra Low Generating Temperature

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    http://yetl.yabesh.ir/yetl1/handle/yetl/162555
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    • Journal of Thermal Science and Engineering Applications

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    contributor authorDong, Jingming
    contributor authorKang, C. L.
    contributor authorWang, H. M.
    contributor authorMa, H. B.
    date accessioned2017-05-09T01:33:23Z
    date available2017-05-09T01:33:23Z
    date issued2016
    identifier issn1948-5085
    identifier othertsea_008_02_021017.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/162555
    description abstractA steam ejector system is environmentally friendly but limited to utilizing thermal energy with a temperature typically ranging from 100 آ°C to 200 آ°C. As the steam generating temperature decreases, the utilization of the thermal energy from such a lowtemperature heat source becomes very challenging. In this investigation, an experimental steam ejector system was designed and constructed to investigate the performance of the ejector system with water as the working fluid at steam generating temperatures ranging from 40 آ°C to 60 آ°C. A convergent nozzle and a de Laval nozzle were used in the steam ejector as the primary nozzles, respectively. The experimental results show that the steam ejector at a generating temperature ranging from 40 آ°C to 60 آ°C can function. The performance of the convergent nozzle is a little better than that of the de Laval nozzle in most cases at the given working condition. For power plant or desalination system applications, the system coefficient of performance (COP) of the ejector with convergent nozzle could reach 3.06 when the steam generating temperature is 40 آ°C and the evaporator temperature is 25 آ°C. For refrigeration application, the ejector with a de Laval nozzle can achieve a system COP of 0.21 and 0.4 at a generating temperature of 60 آ°C. The results of this investigation enabled a better understanding of system performance characteristics in a steam ejector system at a generating temperature below 100 آ°C.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleExperimental Investigation of Steam Ejector System With an Extra Low Generating Temperature
    typeJournal Paper
    journal volume8
    journal issue2
    journal titleJournal of Thermal Science and Engineering Applications
    identifier doi10.1115/1.4032483
    journal fristpage21017
    journal lastpage21017
    identifier eissn1948-5093
    treeJournal of Thermal Science and Engineering Applications:;2016:;volume( 008 ):;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
    yabeshDSpacePersian