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Numerical simulation of heat and mass transfer in metal hydride hydrogen storage tanks for fuel cell vehicles
被引:135
作者:
Mellouli, S.
[1
]
Askri, F.
[1
]
Dhaou, H.
[1
]
Jemni, A.
[1
]
Ben Nasrallah, S.
[1
]
机构:
[1] Ecole Natl Ingn Monastir, LESTE, Monastir 5019, Tunisia
关键词:
Hydrogen;
Metal hydride tanks;
Heat transfer;
Fins;
DESIGN;
OPTIMIZATION;
EXCHANGER;
D O I:
10.1016/j.ijhydene.2009.12.052
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
This paper presents a two-dimensional mathematical model to optimized heat and mass transfer in metal hydride storage tanks (hereinafter MHSTs) for fuel cell vehicles, equipped with finned spiral tube heat exchangers. This model which considers complex heat and mass transfer was numerically solved and validated by comparison with experimental data and a good agreement is obtained. A study of the effect of the pitch, length, thickness and the arrangement of fins on the performance of the charging process of the MHST has been carried out to identify their influence. in addition, the established model is used to study the dynamic behaviour inside various designs of MHSTs. Moreover a novel cooling design option is investigated by introducing a heat exchanger consists of two layers of spirally finned tubes. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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页码:1693 / 1705
页数:13
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