Computational study on metal hydride based three-stage hydrogen compressor

被引：35

作者：

Muthukumar, P. ^{[1
]}

Patel, Kishore Singh ^{[1
]}

Sachan, Pratik ^{[1
]}

Singhal, Nished ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Mech Engn, Gauhati 781039, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 04期

关键词：

Coupled heat and mass transfer; Metal hydride; Hydrogen compressor; MASS-TRANSFER CHARACTERISTICS; HEAT; REACTOR; SYSTEM; DESORPTION; ALLOYS; BEDS;

D O I：

10.1016/j.ijhydene.2011.05.104

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：

A mathematical model for predicting the performances of a three-stage metal hydride based hydrogen compressor (MHHC) is presented. The performance of the MHHC is predicted by solving the unsteady heat and mass transfer characteristics of the coupled metal hydride beds of cylindrical configuration. The governing equations for energy, momentum and mass conservations, and reaction kinetic equations are solved simultaneously using the finite volume method. Metal hydrides chosen for a three-stage MHHC are LaNi5, MmNi(4.6)Al(0.4) and Ti0.99Zr0.01V0.43Fe0.99Cr0.05Mn1.5. Numerical results obtained for a single-stage MHHC using mmNi(4.6)Al(0.4) are in good agreement with the experimental data reported in the literature. Using three-stage compression, a maximum pressure ratio of 28 is achieved for the supply conditions of 20 degrees C absorption temperature and 2.5 bar supply pressure. A maximum delivery pressure of 100 bar is obtained for the operating conditions of 20 degrees C absorption temperature and 120 degrees C desorption temperature. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：3797 / 3806

页数：10

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