Physics based models for metal hydride particle morphology, distribution, and effective thermal conductivity

Kyle C. Smith; Timothy S. Fisher

doi:10.1557/proc-1172-t09-05

Physics based models for metal hydride particle morphology, distribution, and effective thermal conductivity

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper describes a modeling approach to target aspects of heat conduction in metal hydride powders that are essential to metal hydrides as viable H₂ storage media, including particle morphology distribution, size distribution, particle packing properties at specified solid fraction, and effective thermal conductivity. An isotropic fracture model is presented that replicates features of particle size and shape distributions observed experimentally. The discrete element method is used to simulate evolution of metal hydride particle contact networks during quasi-static consolidation of decrepitated metal hydride powders. Finally, the effective thermal conductivity of such a powder is modeled assuming that contact conductance is the same for each interparticle contact.

Original language	English (US)
Title of host publication	Nanoscale Heat Transport - From Fundamentals to Devices
Publisher	Materials Research Society
Pages	78-83
Number of pages	6
ISBN (Print)	9781615677832
DOIs	https://doi.org/10.1557/proc-1172-t09-05
State	Published - 2009
Externally published	Yes
Event	2009 MRS Spring Meeting - San Francisco, CA, United States Duration: Apr 13 2009 → Apr 17 2009

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1172
ISSN (Print)	0272-9172

Other

Other	2009 MRS Spring Meeting
Country/Territory	United States
City	San Francisco, CA
Period	4/13/09 → 4/17/09

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Online availability

10.1557/proc-1172-t09-05

Library availability

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Physics based models for metal hydride particle morphology, distribution, and effective thermal conductivity. / Smith, Kyle C.; Fisher, Timothy S.
Nanoscale Heat Transport - From Fundamentals to Devices. Materials Research Society, 2009. p. 78-83 (Materials Research Society Symposium Proceedings; Vol. 1172).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Smith, KC & Fisher, TS 2009, Physics based models for metal hydride particle morphology, distribution, and effective thermal conductivity. in Nanoscale Heat Transport - From Fundamentals to Devices. Materials Research Society Symposium Proceedings, vol. 1172, Materials Research Society, pp. 78-83, 2009 MRS Spring Meeting, San Francisco, CA, United States, 4/13/09. https://doi.org/10.1557/proc-1172-t09-05

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Physics based models for metal hydride particle morphology, distribution, and effective thermal conductivity

Abstract

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