Exergy analysis of a high pressure multistage hydrogen gas storage system

Mert Ozsaban, Adnan Midilli*, Ibrahim Dincer

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18 Atıf (Scopus)

Özet

This study presents a parametric study on the performance aspects, through exergy analysis, of the multistage hydrogen gas storage subsystem in a hydropower-based-hydrogen gas fueling station producing 3 kg of hydrogen per hour and storing it. In order to perform an exergy analysis, the following parameters are taken into consideration: (i) mass flow rate of hydrogen (3 kg/h), (ii) inlet pressure of hydrogen (ranging from 1 to 200 bar), (iii) hydrogen storage pressure (ranging from 200 to 900 bar), (iv) dead state temperature (at 25 °C), (v) efficiency of electrical motor (90%), (vi) mechanical efficiency (95%), and (vii) polytropic efficiency (90%). It is obtained that increasing inlet pressure of hydrogen gas decreases the energy consumption for compression and storage process while increasing exergy efficiency. Moreover, it is noticed that increasing storage pressure increases the exergy content of hydrogen gas.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)11440-11450
Sayfa sayısı11
DergiInternational Journal of Hydrogen Energy
Hacim36
Basın numarası17
DOI'lar
Yayın durumuYayınlandı - Ağu 2011
Harici olarak yayınlandıEvet

Finansman

The authors acknowledge the support provided by Niğde University and Rize University in Turkey and the Natural Sciences and Engineering Research Council of Canada.

FinansörlerFinansör numarası
Niğde University
Rize University in Turkey
Natural Sciences and Engineering Research Council of Canada

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