Generalized computational model for high-pressure metal hydrides with variable thermal properties

Andrea Mazzucco; Masoud Rokni

doi:10.1016/j.ijhydene.2015.03.032

Generalized computational model for high-pressure metal hydrides with variable thermal properties

Andrea Mazzucco, Masoud Rokni

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Abstract

This study considers a detailed 1D fueling model applied to a metal hydride system, with Ti1.1CrMn as the absorbing alloy, to predict the weight fraction of the absorbed hydrogen and the solid bed temperature. Dependencies of thermal conductivity and specific heat capacity upon pressure and hydrogen content, respectively, are accounted for by interpolating experimental data. The effect of variable parameters on the critical metal hydride thickness is investigated and compared to results obtained from a constant-parameter analysis. Finally, the discrepancy in the metal hydride thickness value is estimated to be approximately 10%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

Original language	English
Journal	International Journal of Hydrogen Energy
Volume	40
Issue number	35
Pages (from-to)	11470-11477
ISSN	0360-3199
DOIs	https://doi.org/10.1016/j.ijhydene.2015.03.032
Publication status	Published - 2015

Keywords

Hydrogen solid storage
High-pressure metal hydrides
1D numerical model

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10.1016/j.ijhydene.2015.03.032

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title = "Generalized computational model for high-pressure metal hydrides with variable thermal properties",

abstract = "This study considers a detailed 1D fueling model applied to a metal hydride system, with Ti1.1CrMn as the absorbing alloy, to predict the weight fraction of the absorbed hydrogen and the solid bed temperature. Dependencies of thermal conductivity and specific heat capacity upon pressure and hydrogen content, respectively, are accounted for by interpolating experimental data. The effect of variable parameters on the critical metal hydride thickness is investigated and compared to results obtained from a constant-parameter analysis. Finally, the discrepancy in the metal hydride thickness value is estimated to be approximately 10%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.",

keywords = "Hydrogen solid storage, High-pressure metal hydrides, 1D numerical model",

author = "Andrea Mazzucco and Masoud Rokni",

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doi = "10.1016/j.ijhydene.2015.03.032",

language = "English",

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issn = "0360-3199",

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T1 - Generalized computational model for high-pressure metal hydrides with variable thermal properties

AU - Mazzucco, Andrea

AU - Rokni, Masoud

PY - 2015

Y1 - 2015

N2 - This study considers a detailed 1D fueling model applied to a metal hydride system, with Ti1.1CrMn as the absorbing alloy, to predict the weight fraction of the absorbed hydrogen and the solid bed temperature. Dependencies of thermal conductivity and specific heat capacity upon pressure and hydrogen content, respectively, are accounted for by interpolating experimental data. The effect of variable parameters on the critical metal hydride thickness is investigated and compared to results obtained from a constant-parameter analysis. Finally, the discrepancy in the metal hydride thickness value is estimated to be approximately 10%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

AB - This study considers a detailed 1D fueling model applied to a metal hydride system, with Ti1.1CrMn as the absorbing alloy, to predict the weight fraction of the absorbed hydrogen and the solid bed temperature. Dependencies of thermal conductivity and specific heat capacity upon pressure and hydrogen content, respectively, are accounted for by interpolating experimental data. The effect of variable parameters on the critical metal hydride thickness is investigated and compared to results obtained from a constant-parameter analysis. Finally, the discrepancy in the metal hydride thickness value is estimated to be approximately 10%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

KW - Hydrogen solid storage

KW - High-pressure metal hydrides

KW - 1D numerical model

U2 - 10.1016/j.ijhydene.2015.03.032

DO - 10.1016/j.ijhydene.2015.03.032

M3 - Journal article

VL - 40

SP - 11470

EP - 11477

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

SN - 0360-3199

IS - 35

ER -