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    Insight Into Recompression Brayton Cycle

    Source: ASME Open Journal of Engineering:;2023:;volume( 002 )::page 21023-1
    Author:
    Tatli, Akif Eren
    ,
    You, Dongchuan
    ,
    Ghanavati, Ashkan
    ,
    Metghalchi, Hameed
    DOI: 10.1115/1.4062258
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Recompression cycles have the potential to offer high performance when design parameters such as feasibility, performance, and compactness are considered. These cycles have recently gained attention especially in nuclear and concentrating solar power plants because of their high efficiency and environmentally friendly. A study has been done to investigate and learn more about recompression cycles. In this paper, a recompression Brayton cycle has been analyzed by performing parametric studies on the effectiveness of recuperators, pressure ratio, and split ratio as well as other input variables. To understand the relations between these factors and the performances of the cycle, argon was used as a working fluid because of its constant specific heat. The solution to temperatures at each state has been derived analytically, which is presented as a function of independent input variables. Thermal efficiency and exergy efficiency of this cycle have been determined in these analyses. The model indicates following results: entropy generation of recuperators is lower at a minimum split and decreases with increasing effectiveness. When the cycle is optimized for maximum efficiency it does not operate on maximum specific net work. The energy and exergy efficiencies of the cycle increase with increasing pressure ratio reaching a maximum value at the optimum pressure ratio. The effect of split ratio on temperature difference around recuperators shows that energy recovered at low temperature is higher at a minimum split which yields a higher efficiency in the cycle. The performance of the cycle is strongly affected by turbine inlet temperature.
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      Insight Into Recompression Brayton Cycle

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    contributor authorTatli, Akif Eren
    contributor authorYou, Dongchuan
    contributor authorGhanavati, Ashkan
    contributor authorMetghalchi, Hameed
    date accessioned2023-08-16T18:23:33Z
    date available2023-08-16T18:23:33Z
    date copyright4/17/2023 12:00:00 AM
    date issued2023
    identifier issn2770-3495
    identifier otheraoje_2_021023.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4291900
    description abstractRecompression cycles have the potential to offer high performance when design parameters such as feasibility, performance, and compactness are considered. These cycles have recently gained attention especially in nuclear and concentrating solar power plants because of their high efficiency and environmentally friendly. A study has been done to investigate and learn more about recompression cycles. In this paper, a recompression Brayton cycle has been analyzed by performing parametric studies on the effectiveness of recuperators, pressure ratio, and split ratio as well as other input variables. To understand the relations between these factors and the performances of the cycle, argon was used as a working fluid because of its constant specific heat. The solution to temperatures at each state has been derived analytically, which is presented as a function of independent input variables. Thermal efficiency and exergy efficiency of this cycle have been determined in these analyses. The model indicates following results: entropy generation of recuperators is lower at a minimum split and decreases with increasing effectiveness. When the cycle is optimized for maximum efficiency it does not operate on maximum specific net work. The energy and exergy efficiencies of the cycle increase with increasing pressure ratio reaching a maximum value at the optimum pressure ratio. The effect of split ratio on temperature difference around recuperators shows that energy recovered at low temperature is higher at a minimum split which yields a higher efficiency in the cycle. The performance of the cycle is strongly affected by turbine inlet temperature.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInsight Into Recompression Brayton Cycle
    typeJournal Paper
    journal volume2
    journal titleASME Open Journal of Engineering
    identifier doi10.1115/1.4062258
    journal fristpage21023-1
    journal lastpage21023-6
    page6
    treeASME Open Journal of Engineering:;2023:;volume( 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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