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    Thermo-Mechanical Exergy Analysis of Balcova Geothermal District Heating System in Izmir, Turkey

    Source: Journal of Energy Resources Technology:;2004:;volume( 126 ):;issue: 004::page 293
    Author:
    Leyla Ozgener
    ,
    Arif Hepbasli
    ,
    Ibrahim Dincer
    DOI: 10.1115/1.1805540
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper deals with a thermo-mechanical exergy analysis of Balcova Geothermal District Heating System (BGDHS) in Izmir, Turkey using actual system data and an assessment of the district heating system performance, energy and exergy efficiencies, and exergy destructions. The exergy destructions in the overall BGDHS are quantified and illustrated using an exergy flow diagram. Also, both energy and exergy flow diagrams are compared. The exergy destructions in the system particularly occurs in terms of the exergy of the fluid lost in the pumps, the heat exchanger losses, the exergy of the thermal water (geothermal fluid) reinjected and the natural direct discharge of the system, accounting for 3.06%, 7.24%, 22.66% and 24.1%, respectively of the total exergy input to the BGDHS. Both energy and exergy efficiencies of the overall BGDHS are investigated for system performance analysis and improvement and are determined to be 37.60% and 42.94%, respectively.
    keyword(s): Central heating , Geothermal engineering , Exergy , Flow (Dynamics) , Exergy analysis , Fluids , Equations AND Temperature ,
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      Thermo-Mechanical Exergy Analysis of Balcova Geothermal District Heating System in Izmir, Turkey

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/129915
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    • Journal of Energy Resources Technology

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    contributor authorLeyla Ozgener
    contributor authorArif Hepbasli
    contributor authorIbrahim Dincer
    date accessioned2017-05-09T00:12:48Z
    date available2017-05-09T00:12:48Z
    date copyrightDecember, 2004
    date issued2004
    identifier issn0195-0738
    identifier otherJERTD2-26522#293_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/129915
    description abstractThis paper deals with a thermo-mechanical exergy analysis of Balcova Geothermal District Heating System (BGDHS) in Izmir, Turkey using actual system data and an assessment of the district heating system performance, energy and exergy efficiencies, and exergy destructions. The exergy destructions in the overall BGDHS are quantified and illustrated using an exergy flow diagram. Also, both energy and exergy flow diagrams are compared. The exergy destructions in the system particularly occurs in terms of the exergy of the fluid lost in the pumps, the heat exchanger losses, the exergy of the thermal water (geothermal fluid) reinjected and the natural direct discharge of the system, accounting for 3.06%, 7.24%, 22.66% and 24.1%, respectively of the total exergy input to the BGDHS. Both energy and exergy efficiencies of the overall BGDHS are investigated for system performance analysis and improvement and are determined to be 37.60% and 42.94%, respectively.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThermo-Mechanical Exergy Analysis of Balcova Geothermal District Heating System in Izmir, Turkey
    typeJournal Paper
    journal volume126
    journal issue4
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.1805540
    journal fristpage293
    journal lastpage301
    identifier eissn1528-8994
    keywordsCentral heating
    keywordsGeothermal engineering
    keywordsExergy
    keywordsFlow (Dynamics)
    keywordsExergy analysis
    keywordsFluids
    keywordsEquations AND Temperature
    treeJournal of Energy Resources Technology:;2004:;volume( 126 ):;issue: 004
    contenttypeFulltext
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