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    Performance assessment of an integrated absorption cooling-hydrogen liquefaction system using geothermal energy

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    Date
    2013
    Author
    Gadalla, Mohamed
    Ratlamwala, Tahir Abdul Hussain
    Dincer, Ibrahim
    Kanoglu, Mehmet
    Advisor(s)
    Unknown advisor
    Type
    Article
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    Abstract
    An integrated geothermal based triple effect absorption cooling and Linde-Hampson system for hydrogen gas liquefaction is proposed and analysed thermodynamically. The effect of various operating conditions and parameters on the system performance is studied. The results show that the mass of hydrogen gas pre-cooled by the absorption system per unit mass flow rate of geothermal water flowing through the system (n) and the amount of hydrogen liquefied per unit mass flow rate of geothermal water flowing through the system (y) increase with an increase in the geothermal source temperature. Also, both energetic and exergetic coefficients of performance decrease from 1.33 to 0.12 and 0.92 to 0.08, respectively with an increase in the mass flow rate of geothermal water from 1.5 kg/s to 3.0 kg/s. The energetic and exergetic utilisation factors decrease from 0.06 to 0.009 and 0.19 to 0.006, respectively as the mass flow rate of geothermal water increases.
    DSpace URI
    http://hdl.handle.net/11073/8182
    External URI
    https://dx.doi.org/10.1504/IJEX.2013.053391
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