Experimental study of a metal hydride vessel based on a finned spiral heat exchanger

被引：101

作者：

Dhaou, H. ^{[1
]}

Souahlia, A. ^{[1
]}

Mellouli, S. ^{[1
]}

Askri, F. ^{[1
]}

Jemni, A. ^{[1
]}

Ben Nasrallah, S. ^{[1
]}

机构：

[1] Ecole Natl Ingn Monastir, Lab Etudes Syst Therm & Energet, LESTE, Monastir 5019, Tunisia

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 04期

关键词：

Hydride; Metal hydride vessels; Hydrogen; Cooper fins; LaNi5; MASS-TRANSFER; HYDROGEN STORAGE; ABSORPTION; DESIGN;

D O I：

10.1016/j.ijhydene.2009.11.094

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：

The reaction time of hydrogen in metal hydride vessels (MHVs for short) is strongly influenced by the heat transfer from/to the hydride bed. In the present work an experimental study of the geometric and the operating parameters of a finned spiral heat exchanger has been carried out to identify their influence on the performance of the charging process of the MHV. The experimental results show that the charge time of the reactor is considerably reduced, when finned spiral heat exchanger is used. in addition, the effect of different parameters (flow mass and temperature of the cooling fluid, applied pressure, and hydrogen tank volume) has been discussed and obtained results show that a good choice of these parameters is important. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：1674 / 1680

页数：7

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