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    Thermoeconomic Considerations in the Optimum Allocation of Heat Transfer Inventory for Refrigeration and Heat Pump Systems

    Source: Journal of Energy Resources Technology:;2002:;volume( 124 ):;issue: 001::page 28
    Author:
    Mohamed A. Antar
    ,
    Syed M. Zubair
    DOI: 10.1115/1.1446070
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Thermoeconomics is defined as attaching monetary values to heat exchanger conductances of a given plant. In this study, optimum allocation of heat transfer inventory for heat exchangers in a refrigeration system with specified power input or cooling capacity, and for a heat pump with specified heating capacity is investigated. The ratio of hot- to cold-end conductance unit cost ratio, G, was considered in the analysis as an additional parameter of considerable importance to the designer. A closed-form expression is given in terms of unit cost of conductances of both the heat exchangers. The results show a strong dependence of the total cost on the absolute temperature ratios as well as the hot- to the cold-end conductance cost ratio. It is demonstrated in the illustrative example that for G=0.1, the conductance of the hot-end heat exchanger is about three times the cold-end heat exchanger.
    keyword(s): Electrical conductance , Heat exchangers , Refrigeration , Heat pumps , Temperature , Heat transfer , Industrial plants , Heating AND Cooling ,
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      Thermoeconomic Considerations in the Optimum Allocation of Heat Transfer Inventory for Refrigeration and Heat Pump Systems

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/126677
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    • Journal of Energy Resources Technology

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    contributor authorMohamed A. Antar
    contributor authorSyed M. Zubair
    date accessioned2017-05-09T00:07:17Z
    date available2017-05-09T00:07:17Z
    date copyrightMarch, 2002
    date issued2002
    identifier issn0195-0738
    identifier otherJERTD2-26500#28_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/126677
    description abstractThermoeconomics is defined as attaching monetary values to heat exchanger conductances of a given plant. In this study, optimum allocation of heat transfer inventory for heat exchangers in a refrigeration system with specified power input or cooling capacity, and for a heat pump with specified heating capacity is investigated. The ratio of hot- to cold-end conductance unit cost ratio, G, was considered in the analysis as an additional parameter of considerable importance to the designer. A closed-form expression is given in terms of unit cost of conductances of both the heat exchangers. The results show a strong dependence of the total cost on the absolute temperature ratios as well as the hot- to the cold-end conductance cost ratio. It is demonstrated in the illustrative example that for G=0.1, the conductance of the hot-end heat exchanger is about three times the cold-end heat exchanger.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThermoeconomic Considerations in the Optimum Allocation of Heat Transfer Inventory for Refrigeration and Heat Pump Systems
    typeJournal Paper
    journal volume124
    journal issue1
    journal titleJournal of Energy Resources Technology
    identifier doi10.1115/1.1446070
    journal fristpage28
    journal lastpage33
    identifier eissn1528-8994
    keywordsElectrical conductance
    keywordsHeat exchangers
    keywordsRefrigeration
    keywordsHeat pumps
    keywordsTemperature
    keywordsHeat transfer
    keywordsIndustrial plants
    keywordsHeating AND Cooling
    treeJournal of Energy Resources Technology:;2002:;volume( 124 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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